Outputs (53)

A Robust Study of High-redshift Galaxies: Unsupervised Machine Learning for Characterizing Morphology with JWST up to z ∼ 8 (2024)
Journal Article
Tohill, C., Bamford, S. P., Conselice, C. J., Ferreira, L., Harvey, T., Adams, N., & Austin, D. (2024). A Robust Study of High-redshift Galaxies: Unsupervised Machine Learning for Characterizing Morphology with JWST up to z ∼ 8. Astrophysical Journal, 962(2), Article 164. https://doi.org/10.3847/1538-4357/ad17b8

Galaxy morphologies provide valuable insights into their formation processes, tracing the spatial distribution of ongoing star formation and encoding signatures of dynamical interactions. While such information has been extensively investigated at lo... Read More about A Robust Study of High-redshift Galaxies: Unsupervised Machine Learning for Characterizing Morphology with JWST up to z ∼ 8.

Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys (2022)
Journal Article
Häußler, B., Vika, M., Bamford, S. P., Johnston, E. J., Brough, S., Casura, S., …Popescu, C. (2022). Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys. Astronomy and Astrophysics, 664, Article A92. https://doi.org/10.1051/0004-6361/202142935

Aims. We present the capabilities of Galapagos-2 and Galfitm in the context of fitting two-component profiles - bulge- disk decompositions - to galaxies, with the ultimate goal of providing complete multi-band, multi-component fitting of large sample... Read More about Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys.

Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions (2022)
Journal Article
Driver, S. P., Bellstedt, S., Robotham, A. S., Baldry, I. K., Davies, L. J., Liske, J., …Wilkins, S. M. (2022). Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions. Monthly Notices of the Royal Astronomical Society, 513(1), 439-467. https://doi.org/10.1093/mnras/stac472

In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248 682 galaxy spectra, and, in combination with earlier surveys, results in 330 542 redshifts across five sky regions cove... Read More about Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions.

Galaxy Zoo DECaLS: Detailed visual morphology measurements from volunteers and deep learning for 314 000 galaxies (2021)
Journal Article
Walmsley, M., Lintott, C., Géron, T., Kruk, S., Krawczyk, C., Willett, K. W., …MacMillan, C. (2022). Galaxy Zoo DECaLS: Detailed visual morphology measurements from volunteers and deep learning for 314 000 galaxies. Monthly Notices of the Royal Astronomical Society, 509(3), 3966-3988. https://doi.org/10.1093/mnras/stab2093

We present Galaxy Zoo DECaLS: detailed visual morphological classifications for Dark Energy Camera Legacy Survey images of galaxies within the SDSS DR8 footprint. Deeper DECaLS images (r = 23.6 versus r = 22.2 from SDSS) reveal spiral arms, weak bars... Read More about Galaxy Zoo DECaLS: Detailed visual morphology measurements from volunteers and deep learning for 314 000 galaxies.

Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning (2021)
Journal Article
Tohill, C., Ferreira, L., Conselice, C. J., Bamford, S. P., & Ferrari, F. (2021). Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning. Astrophysical Journal, 916(1), Article 4. https://doi.org/10.3847/1538-4357/ac033c

At high redshift, due to both observational limitations and the variety of galaxy morphologies in the early universe, measuring galaxy structure can be challenging. Non-parametric measurements such as the CAS system have thus become an important tool... Read More about Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning.

Recovering the origins of the lenticular galaxy NGC 3115 using multiband imaging (2021)
Journal Article
Buzzo, M. L., Cortesi, A., Hernandez-Jimenez, J. A., Coccato, L., Werle, A., Beraldo e Silva, L., …Mendes de Oliveira, C. (2021). Recovering the origins of the lenticular galaxy NGC 3115 using multiband imaging. Monthly Notices of the Royal Astronomical Society, 504(2), 2146-2167. https://doi.org/10.1093/mnras/stab941

A detailed study of the morphology of lenticular galaxies is an important way to understand how this type of galaxy is formed and evolves over time. Decomposing a galaxy into its components (disc, bulge, bar, ...) allows recovering the colour gradien... Read More about Recovering the origins of the lenticular galaxy NGC 3115 using multiband imaging.

Galaxy and Mass Assembly: A Comparison between Galaxy–Galaxy Lens Searches in KiDS/GAMA (2020)
Journal Article
Knabel, S., Steele, R. L., Holwerda, B. W., Bridge, J. S., Jacques, A., Hopkins, A. M., …Kielkopf, J. (2020). Galaxy and Mass Assembly: A Comparison between Galaxy–Galaxy Lens Searches in KiDS/GAMA. Astronomical Journal, 160(5), Article 223. https://doi.org/10.3847/1538-3881/abb612

Strong gravitational lenses are a rare and instructive type of astronomical object. Identification has long relied on serendipity, but different strategies—such as mixed spectroscopy of multiple galaxies along the line of sight, machine-learning algo... Read More about Galaxy and Mass Assembly: A Comparison between Galaxy–Galaxy Lens Searches in KiDS/GAMA.

Galaxy Zoo Builder: Four-component Photometric Decomposition of Spiral Galaxies Guided by Citizen Science (2020)
Journal Article
Lingard, T. K., Masters, K. L., Krawczyk, C., Lintott, C., Kruk, S., Simmons, B., …Baeten, E. (2020). Galaxy Zoo Builder: Four-component Photometric Decomposition of Spiral Galaxies Guided by Citizen Science. Astrophysical Journal, 900(2), 178. https://doi.org/10.3847/1538-4357/ab9d83

Multicomponent modeling of galaxies is a valuable tool in the effort to quantitatively understand galaxy evolution, yet the use of the technique is plagued by issues of convergence, model selection, and parameter degeneracies. These issues limit its... Read More about Galaxy Zoo Builder: Four-component Photometric Decomposition of Spiral Galaxies Guided by Citizen Science.

Multi-wavelength structure analysis of local cluster galaxies: The WINGS project (2020)
Journal Article
Psychogyios, A., Vika, M., Charmandaris, V., Bamford, S., Fasano, G., Häußler, B., …Vulcani, B. (2020). Multi-wavelength structure analysis of local cluster galaxies: The WINGS project. Astronomy and Astrophysics, 633, A104. https://doi.org/10.1051/0004-6361/201833522

© ESO 2020. We present a multi-wavelength analysis of the galaxies in nine clusters selected from the WINGS dataset, examining how galaxy structure varies as a function of wavelength and environment using the state of the art software GALAPAGOS-2. We... Read More about Multi-wavelength structure analysis of local cluster galaxies: The WINGS project.

Galaxy Zoo: probabilistic morphology through Bayesian CNNs and active learning (2019)
Journal Article
Walmsley, M., Smith, L., Lintott, C., Gal, Y., Bamford, S., Dickinson, H., …Wright, D. (2020). Galaxy Zoo: probabilistic morphology through Bayesian CNNs and active learning. Monthly Notices of the Royal Astronomical Society, 491(2), 1554-1574. https://doi.org/10.1093/mnras/stz2816

We use Bayesian convolutional neural networks and a novel generative model of Galaxy Zoo volunteer responses to infer posteriors for the visual morphology of galaxies. Bayesian CNN can learn from galaxy images with uncertain labels and then, for prev... Read More about Galaxy Zoo: probabilistic morphology through Bayesian CNNs and active learning.

The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets (2019)
Journal Article
Holwerda, B. W., Kelvin, L., Baldry, I., Lintott, C., Alpaslan, M., Pimbblet, K. A., …Kitching, T. (2019). The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets. Astronomical Journal, 158(3), Article 103. https://doi.org/10.3847/1538-3881/ab2886

© 2019. The American Astronomical Society. All rights reserved.. Dust lanes bisect the plane of a typical edge-on spiral galaxy as a dark optical absorption feature. Their appearance is linked to the gravitational stability of spiral disks; the fract... Read More about The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets.

Planet Four: Craters—Optimizing task workflow to improve volunteer engagement and crater counting performance (2019)
Journal Article
Sprinks, J., Houghton, R., Bamford, S., & Morley, J. G. (2019). Planet Four: Craters—Optimizing task workflow to improve volunteer engagement and crater counting performance. Meteoritics and Planetary Science, 54(6), 1325-1346. https://doi.org/10.1111/maps.13277

Virtual citizen science platforms allow nonscientists to take part in scientific research across a range of disciplines, including planetary science. What is required of the volunteer can vary considerably in terms of task type, variety, judgment req... Read More about Planet Four: Craters—Optimizing task workflow to improve volunteer engagement and crater counting performance.

A sociotechnical system approach to virtual citizen science: an application of BS ISO 27500:2016 (2019)
Journal Article
Houghton, R., Sprinks, J., Wardlaw, J., Bamford, S., & Marsh, S. (2019). A sociotechnical system approach to virtual citizen science: an application of BS ISO 27500:2016. JCOM: Journal of Science Communication, 18(01), https://doi.org/10.22323/2.18010201

We discuss the potential application to virtual citizen science of a recent standard (BS ISO 27500:2016 “The human-centred organisation”) which encourages the adoption of a sociotechnical systems perspective across a wide range of businesses, organiz... Read More about A sociotechnical system approach to virtual citizen science: an application of BS ISO 27500:2016.

OMEGA – OSIRIS mapping of emission-line galaxies in A901/2 – V. The rich population of jellyfish galaxies in the multi-cluster system Abell 901/2 (2019)
Journal Article
Roman-Oliveira, F. V., Chies-Santos, A. L., Rodríguez Del Pino, B., Aragón-Salamanca, A., Gray, M. E., & Bamford, S. P. (2019). OMEGA – OSIRIS mapping of emission-line galaxies in A901/2 – V. The rich population of jellyfish galaxies in the multi-cluster system Abell 901/2. Monthly Notices of the Royal Astronomical Society, 484(1), 892–905. https://doi.org/10.1093/mnras/stz007

We present the results of a systematic search and characterisation of galaxies with morphological signatures of ram-pressure stripping, known as jellyfish galaxies, in the multi-cluster system A901/2, at z ∼ 0.165, as part of the OMEGA survey. By vis... Read More about OMEGA – OSIRIS mapping of emission-line galaxies in A901/2 – V. The rich population of jellyfish galaxies in the multi-cluster system Abell 901/2.

The Astropy Project: building an open-science project and status of the v2.0 core package (2018)
Journal Article
Price-Whelan, A., Sipőcz, B., Günther, H., Lim, P., Crawford, S., Conseil, S., …Bamford, S. (2018). The Astropy Project: building an open-science project and status of the v2.0 core package. Astronomical Journal, 156(3), Article 123. https://doi.org/10.3847/1538-3881/aabc4f

The Astropy Project supports and fosters the development of open-source and openly developed Python packages that provide commonly needed functionality to the astronomical community. A key element of the The Astropy Project supports and fosters the d... Read More about The Astropy Project: building an open-science project and status of the v2.0 core package.

Galaxy Cluster Mass Reconstruction Project – IV. Understanding the effects of imperfect membership on cluster mass estimation (2018)
Journal Article
Wojtak, R., Old, L., Mamon, G., Pearce, F., de Carvalho, R., Sifón, C., …Tempel, E. (2018). Galaxy Cluster Mass Reconstruction Project – IV. Understanding the effects of imperfect membership on cluster mass estimation. Monthly Notices of the Royal Astronomical Society, 481(1), 324-340. https://doi.org/10.1093/mnras/sty2257

The primary difficulty in measuring dynamical masses of galaxy clusters from galaxy data lies in the separation between true cluster members from interloping galaxies along the line of sight. We study the impact of membership contamination and incomp... Read More about Galaxy Cluster Mass Reconstruction Project – IV. Understanding the effects of imperfect membership on cluster mass estimation.

OMEGA-OSIRIS mapping of emission-line galaxies in A901/2:IV: extinction of star-formation estimators with inclination (2018)
Journal Article
Wolf, C., Weinzirl, T., Aragón-Salamanca, A., Gray, M. E., Rodríguez del Pino, B., Chies-Santos, A. L., …Harborne, K. (2018). OMEGA-OSIRIS mapping of emission-line galaxies in A901/2:IV: extinction of star-formation estimators with inclination. Monthly Notices of the Royal Astronomical Society, 480(3), 3788–3799. https://doi.org/10.1093/mnras/sty2112

We study the effect of inclination on the apparent brightness of star-forming galaxies in spectral passbands that are commonly used as star-formation indicators. As diagnostics we use mass-to-light ratios in three passbands: the UV continuum at 280 n... Read More about OMEGA-OSIRIS mapping of emission-line galaxies in A901/2:IV: extinction of star-formation estimators with inclination.

Galaxy Zoo: constraining the origin of spiral arms (2018)
Journal Article
Hart, R. E., Bamford, S. P., Keel, W. C., Kruk, S. J., Masters, K. L., Simmons, B. D., & Smethurst, R. J. (2018). Galaxy Zoo: constraining the origin of spiral arms. Monthly Notices of the Royal Astronomical Society, 478(1), 932-949. https://doi.org/10.1093/mnras/sty1201

Since the discovery that the majority of low-redshift galaxies exhibit some level of spiral structure, a number of theories have been proposed as to why these patterns exist. A popular explanation is a process known as swing amplification, yet there... Read More about Galaxy Zoo: constraining the origin of spiral arms.

Galaxy Zoo: Morphological Classification of Galaxy Images from the Illustris Simulation (2018)
Journal Article
Dickinson, H., Fortson, L., Lintott, C., Scarlata, C., Willett, K., Bamford, S., …Snyder, G. F. (2018). Galaxy Zoo: Morphological Classification of Galaxy Images from the Illustris Simulation. Astrophysical Journal, 853(2), Article 194. https://doi.org/10.3847/1538-4357/aaa250

Modern large-scale cosmological simulations model the universe with increasing sophistication and at higher spatial and temporal resolutions. These ongoing enhancements permit increasingly detailed comparisons between the simulation outputs and real... Read More about Galaxy Zoo: Morphological Classification of Galaxy Images from the Illustris Simulation.

Galaxy and Mass Assembly (GAMA): morphological transformation of galaxies across the green valley (2018)
Journal Article
Bremer, M., Phillipps, S., Kelvin, L., De Propris, R., Kennedy, R., Moffett, A., …Taylor, E. (in press). Galaxy and Mass Assembly (GAMA): morphological transformation of galaxies across the green valley. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/sty124

We explore constraints on the joint photometric and morphological evolution of typical low redshift galaxies as they move from the blue cloud through the green valley and onto the red sequence. We select GAMA survey galaxies with 10.25 < log(M*/M⊙) <... Read More about Galaxy and Mass Assembly (GAMA): morphological transformation of galaxies across the green valley.

Galaxy Cluster Mass Reconstruction Project: III. The impact of dynamical substructure on cluster mass estimates (2017)
Journal Article
Old, L., Wojtak, R., Pearce, F., Gray, M., Mamon, G., Sifón, C., …Saro, A. (2018). Galaxy Cluster Mass Reconstruction Project: III. The impact of dynamical substructure on cluster mass estimates. Monthly Notices of the Royal Astronomical Society, 475(1), https://doi.org/10.1093/mnras/stx3241

With the advent of wide-field cosmological surveys, we are approaching samples of hundreds of thousands of galaxy clusters. While such large numbers will help reduce statistical uncertainties, the control of systematics in cluster masses is crucial.... Read More about Galaxy Cluster Mass Reconstruction Project: III. The impact of dynamical substructure on cluster mass estimates.

Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3 (2017)
Journal Article
Baldry, I., Liske, J., Brown, M., Robotham, A., Driver, S., Dunne, L., …Wilkins, S. (2018). Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3. Monthly Notices of the Royal Astronomical Society, 474(3), https://doi.org/10.1093/mnras/stx3042

We describe data release 3 (DR3) of the Galaxy And Mass Assembly (GAMA) survey. The GAMA survey is a spectroscopic redshift and multiwavelength photometric survey in three equatorial regions each of 60.0 deg2 (G09, G12, and G15), and two southern reg... Read More about Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3.

Galaxy Zoo: secular evolution of barred galaxies from structural decomposition of multiband images (2017)
Journal Article
Kruk, S. J., Lintott, C. J., Bamford, S. P., Masters, K. L., Simmons, B. D., Häußler, B., …Kelvin, L. (2018). Galaxy Zoo: secular evolution of barred galaxies from structural decomposition of multiband images. Monthly Notices of the Royal Astronomical Society, 473(4), https://doi.org/10.1093/mnras/stx2605

We present the results of two-component (disc+bar) and three-component (disc+bar+bulge) multiwavelength 2D photometric decompositions of barred galaxies in five Sloan Digital Sky Survey (SDSS) bands (ugriz). This sample of ?3500 nearby (z

Galaxy Zoo and SPARCFIRE: constraints on spiral arm formation mechanisms from spiral arm number and pitch angles (2017)
Journal Article
Hart, R. E., Bamford, S. P., Hayes, W. B., Cardamone, C. N., Keel, W. C., Kruk, S. J., …Smethurst, R. J. (2017). Galaxy Zoo and SPARCFIRE: constraints on spiral arm formation mechanisms from spiral arm number and pitch angles. Monthly Notices of the Royal Astronomical Society, 472(2), 2263-2279. https://doi.org/10.1093/mnras/stx2137

In this paper, we study the morphological properties of spiral galaxies, including measurements of spiral arm number and pitch angle. Using Galaxy Zoo 2, a stellar mass-complete sample of 6222 SDSS spiral galaxies is selected. We use the machine visi... Read More about Galaxy Zoo and SPARCFIRE: constraints on spiral arm formation mechanisms from spiral arm number and pitch angles.

The effects of the cluster environment on the galaxy mass-size relation in MACS J1206.2-0847 (2017)
Journal Article
Kuchner, U., Ziegler, B., Verdugo, M., Bamford, S., & Häußler, B. (2017). The effects of the cluster environment on the galaxy mass-size relation in MACS J1206.2-0847. Astronomy and Astrophysics, 604, Article A54. https://doi.org/10.1051/0004-6361/201630252

The dense environment of galaxy clusters strongly influences the nature of galaxies. Their abundance and diversity is imprinted on the stellar-mass–size plane. Here, we study the cause of the size distribution of a sample of 560 spectroscopic members... Read More about The effects of the cluster environment on the galaxy mass-size relation in MACS J1206.2-0847.

Comparing experts and novices in Martian surface feature change detection and identification (2017)
Journal Article
Wardlaw, J., Sprinks, J., Houghton, R., Muller, J., Sidiropoulos, P., Bamford, S., & Marsh, S. (in press). Comparing experts and novices in Martian surface feature change detection and identification. International Journal of Applied Earth Observation and Geoinformation, https://doi.org/10.1016/j.jag.2017.05.014

Change detection in satellite images is a key concern of the Earth Observation field for environmental and climate change monitoring. Satellite images also provide important clues to both the past and present surface conditions of other planets, whic... Read More about Comparing experts and novices in Martian surface feature change detection and identification.

Galaxy Zoo: finding offset discs and bars in SDSS galaxies (2017)
Journal Article
Kruk, S. J., Lintott, C. J., Simmons, B. D., Bamford, S. P., Cardamone, C. N., Fortson, L., …Smethurst, R. J. (2017). Galaxy Zoo: finding offset discs and bars in SDSS galaxies. Monthly Notices of the Royal Astronomical Society, 469(3), 3363-3373. https://doi.org/10.1093/mnras/stx1026

We use multiwavelength Sloan Digital Sky Survey (SDSS) images and Galaxy Zoo morphologies to identify a sample of ∼270 late-type galaxies with an off-centre bar. We measure offsets in the range 0.2–2.5 kpc between the photometric centres of the stell... Read More about Galaxy Zoo: finding offset discs and bars in SDSS galaxies.

Task Workflow Design and its impact on performance and volunteers' subjective preference in Virtual Citizen Science (2017)
Journal Article
Sprinks, J., Wardlaw, J., Houghton, R., Bamford, S., & Morley, J. (2017). Task Workflow Design and its impact on performance and volunteers' subjective preference in Virtual Citizen Science. International Journal of Human-Computer Studies, 104, 50-63. https://doi.org/10.1016/j.ijhcs.2017.03.003

© 2017 The Authors Virtual citizen science platforms allow non-scientists to take part in scientific research across a range of disciplines. What they ask of volunteers varies considerably in terms of task type, variety, user judgement required and u... Read More about Task Workflow Design and its impact on performance and volunteers' subjective preference in Virtual Citizen Science.

Galaxy Zoo: star formation versus spiral arm number (2017)
Journal Article
Hart, R. E., Bamford, S. P., Casteels, K. R., Kruk, S. J., Lintott, C. J., & Masters, K. L. (2017). Galaxy Zoo: star formation versus spiral arm number. Monthly Notices of the Royal Astronomical Society, 468(2), 1850-1863. https://doi.org/10.1093/mnras/stx581

Spiral arms are common features in low-redshift disc galaxies, and are prominent sites of star formation and dust obscuration. However, spiral structure can take many forms: from galaxies displaying two strong ‘grand design’ arms to those with many ‘... Read More about Galaxy Zoo: star formation versus spiral arm number.

OMEGA – OSIRIS Mapping of Emission-line Galaxies in A901/2: II. Environmental influence on integrated star formation properties and AGN activity (2017)
Journal Article
Rodríguez del Pino, B., Aragón-Salamanca, A., Chies-Santos, A. L., Weinzirl, T., Bamford, S. P., Gray, M. E., …Maltby, D. T. (2017). OMEGA – OSIRIS Mapping of Emission-line Galaxies in A901/2: II. Environmental influence on integrated star formation properties and AGN activity. Monthly Notices of the Royal Astronomical Society, 467(4), 4200-4217. https://doi.org/10.1093/mnras/stx228

We present a study of the star formation and AGN activity for galaxies in CP 15051 the Abell 901/2 multicluster system at z ∼ 0.167 as part of the OSIRIS Mapping of Emission-line Galaxies in A901/2 (OMEGA) survey. Using Tuneable Filter data obtained... Read More about OMEGA – OSIRIS Mapping of Emission-line Galaxies in A901/2: II. Environmental influence on integrated star formation properties and AGN activity.

Untangling galaxy components: full spectral bulge–disc decomposition (2016)
Journal Article
Tabor, M., Merrifield, M., Aragón-Salamanca, A., Cappellari, M., Bamford, S. P., & Johnston, E. (2017). Untangling galaxy components: full spectral bulge–disc decomposition. Monthly Notices of the Royal Astronomical Society, 466(2), 2024-2033. https://doi.org/10.1093/mnras/stw3183

To ascertain whether photometric decompositions of galaxies into bulges and discs are astrophysically meaningful, we have developed a new technique to decompose spectral data cubes into separate bulge and disc components, subject only to the constrai... Read More about Untangling galaxy components: full spectral bulge–disc decomposition.

SDSS-IV MaNGA: bulge–disc decomposition of IFU data cubes (BUDDI) (2016)
Journal Article
Johnston, E. J., Häußler, B., Aragón-Salamanca, A., Merrifield, M. R., Bamford, S., Bershady, M. A., …Yan, R. (2017). SDSS-IV MaNGA: bulge–disc decomposition of IFU data cubes (BUDDI). Monthly Notices of the Royal Astronomical Society, 465(2), https://doi.org/10.1093/mnras/stw2823

With the availability of large integral field unit (IFU) spectral surveys of nearby galaxies, there is now the potential to extract spectral information from across the bulges and discs of galaxies in a systematic way. This information can address qu... Read More about SDSS-IV MaNGA: bulge–disc decomposition of IFU data cubes (BUDDI).

Galaxy Zoo: quantitative visual morphological classifications for 48 000 galaxies from CANDELS (2016)
Journal Article
Simmons, B., Lintott, C., Willett, K. W., Masters, K. L., Kartaltepe, J. S., Häußler, B., …Wiklind, T. (2017). Galaxy Zoo: quantitative visual morphological classifications for 48 000 galaxies from CANDELS. Monthly Notices of the Royal Astronomical Society, 464(4), https://doi.org/10.1093/mnras/stw2587

We present quantified visual morphologies of approximately 48 000 galaxies observed in three Hubble Space Telescope legacy fields by the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) and classified by participants in the Ga... Read More about Galaxy Zoo: quantitative visual morphological classifications for 48 000 galaxies from CANDELS.

Galaxy Zoo: Morphological classifications for 120 000 galaxies in HST legacy imaging (2016)
Journal Article
Willett, K. W., Galloway, M. A., Bamford, S. P., Lintott, C. J., Masters, K. L., Scarlata, C., …Smith, A. M. (2017). Galaxy Zoo: Morphological classifications for 120 000 galaxies in HST legacy imaging. Monthly Notices of the Royal Astronomical Society, 464(4), 4176-4203. https://doi.org/10.1093/mnras/stw2568

© 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. We present the data release paper for the Galaxy Zoo: Hubble (GZH) project. This is the third phase in a large effort to measure reliable, detailed... Read More about Galaxy Zoo: Morphological classifications for 120 000 galaxies in HST legacy imaging.

Galaxy And Mass Assembly (GAMA): galaxy colour gradients versus colour, structure, and luminosity (2016)
Journal Article
Kennedy, R., Bamford, S. P., Häußler, B., Brough, S., Holwerda, B., Hopkins, A. M., …Vulcani, B. (2016). Galaxy And Mass Assembly (GAMA): galaxy colour gradients versus colour, structure, and luminosity. Astronomy and Astrophysics, 593, Article A84. https://doi.org/10.1051/0004-6361/201628715

Using single-component fits to SDSS/UKIDSS images of galaxies in the G09 region of the GAMA survey we study radial colour gradients across the galaxy population. We use the multi-wavelength information provided by MegaMorph analysis of galaxy light p... Read More about Galaxy And Mass Assembly (GAMA): galaxy colour gradients versus colour, structure, and luminosity.

Galaxy Zoo: comparing the demographics of spiral arm number and a new method for correcting redshift bias (2016)
Journal Article
Hart, R. E., Bamford, S. P., Willett, K. W., Masters, K. L., Cardamone, C., Lintott, C. J., …Smethurst, R. J. (2016). Galaxy Zoo: comparing the demographics of spiral arm number and a new method for correcting redshift bias. Monthly Notices of the Royal Astronomical Society, 461(4), https://doi.org/10.1093/mnras/stw1588

The majority of galaxies in the local Universe exhibit spiral structure with a variety of forms. Many galaxies possess two prominent spiral arms, some have more, while others display a many-armed flocculent appearance. Spiral arms are associated with... Read More about Galaxy Zoo: comparing the demographics of spiral arm number and a new method for correcting redshift bias.

EU-FP7-iMARS: ANALYSIS OF MARS MULTI-RESOLUTION IMAGES USING AUTO-COREGISTRATION, DATA MINING AND CROWD SOURCE TECHNIQUES: PROCESSED RESULTS – A FIRST LOOK (2016)
Journal Article
Jan-Peter, M., Yu, T., Panagiotis, S., Klaus, G., Konrad, W., Lida, F., …Bamford, S. (2016). EU-FP7-iMARS: ANALYSIS OF MARS MULTI-RESOLUTION IMAGES USING AUTO-COREGISTRATION, DATA MINING AND CROWD SOURCE TECHNIQUES: PROCESSED RESULTS – A FIRST LOOK. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, XLI-B4, 453-458. https://doi.org/10.5194/isprs-archives-xli-b4-453-2016

Understanding planetary atmosphere-surface exchange and extra-terrestrial-surface formation processes within our Solar System is one of the fundamental goals of planetary science research. There has been a revolution in planetary surface observations... Read More about EU-FP7-iMARS: ANALYSIS OF MARS MULTI-RESOLUTION IMAGES USING AUTO-COREGISTRATION, DATA MINING AND CROWD SOURCE TECHNIQUES: PROCESSED RESULTS – A FIRST LOOK.

Galaxy And Mass Assembly (GAMA): understanding the wavelength dependence of galaxy structure with bulge-disc decompositions (2016)
Journal Article
Kennedy, R., Bamford, S. P., Häußler, B., Baldry, I., Bremer, M., Brough, S., …Vulcani, B. (2016). Galaxy And Mass Assembly (GAMA): understanding the wavelength dependence of galaxy structure with bulge-disc decompositions. Monthly Notices of the Royal Astronomical Society, 460(4), 3458-3471. https://doi.org/10.1093/mnras/stw1176

With a large sample of bright, low-redshift galaxies with optical–near-IR imaging from the GAMA survey we use bulge-disc decompositions to understand the wavelength-dependent behaviour of single-Sersic structural measurements. We denote the variation... Read More about Galaxy And Mass Assembly (GAMA): understanding the wavelength dependence of galaxy structure with bulge-disc decompositions.

Galaxy Zoo: Mergers – Dynamical models of interacting galaxies (2016)
Journal Article
Holincheck, A. J., Wallin, J. F., Borne, K., Fortson, L., Lintott, C., Smith, A. M., …Parrish, M. (2016). Galaxy Zoo: Mergers – Dynamical models of interacting galaxies. Monthly Notices of the Royal Astronomical Society, 459(1), https://doi.org/10.1093/mnras/stw649

The dynamical history of most merging galaxies is not well understood. Correlations between galaxy interaction and star formation have been found in previous studies, but require the context of the physical history of merging systems for full insight... Read More about Galaxy Zoo: Mergers – Dynamical models of interacting galaxies.

The Moon Zoo citizen science project: preliminary results for the Apollo 17 landing site (2016)
Journal Article
Bugiolacchi, R., Bamford, S., Tar, P., Thacker, N., Crawford, I. A., Joy, K. H., …Lintott, C. (2016). The Moon Zoo citizen science project: preliminary results for the Apollo 17 landing site. Icarus, 271, https://doi.org/10.1016/j.icarus.2016.01.021

Moon Zoo is a citizen science project that utilises internet crowd-sourcing techniques. Moon Zoo users are asked to review high spatial resolution images from the Lunar Reconnaissance Orbiter Camera (LROC), onboard NASA's LRO spacecraft, and perform... Read More about The Moon Zoo citizen science project: preliminary results for the Apollo 17 landing site.

The SLUGGS survey: chromodynamical modelling of the lenticular galaxy NGC 1023 (2015)
Journal Article
Cortesi, A., Chies-Santos, A. L., Pota, V., Foster, C., Coccato, L., Mendes de Oliveira, C., …Almeida, A. (2016). The SLUGGS survey: chromodynamical modelling of the lenticular galaxy NGC 1023. Monthly Notices of the Royal Astronomical Society, 456(3), 2611-2621. https://doi.org/10.1093/mnras/stv2753

Globular clusters (GCs) can be considered discrete, long-lived, dynamical tracers that retain crucial information about the assembly history of their parent galaxy. In this paper, we present a new catalogue of GC velocities and colours for the lentic... Read More about The SLUGGS survey: chromodynamical modelling of the lenticular galaxy NGC 1023.

Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV–far-IR) and the low-zenergy budget (2015)
Journal Article
Driver, S. P., Wright, A. H., Andrews, S. K., Davies, L. J., Kafle, P. R., Lange, R., …Williams, R. (2016). Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV–far-IR) and the low-zenergy budget. Monthly Notices of the Royal Astronomical Society, 455(4), https://doi.org/10.1093/mnras/stv2505

We present the Galaxy And Mass Assembly (GAMA) Panchromatic Data Release (PDR) constituting over 230 deg2 of imaging with photometry in 21 bands extending from the far-UV to the far-IR. These data complement our spectroscopic campaign of over 300k ga... Read More about Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV–far-IR) and the low-zenergy budget.

Wavelength self-calibration and sky subtraction for Fabry–Pérot interferometers: applications to OSIRIS (2015)
Journal Article
Weinzirl, T., Aragón-Salamanca, A., Bamford, S., Rodríguez del Pino, B., Gray, M., & Chies-Santos, A. (2015). Wavelength self-calibration and sky subtraction for Fabry–Pérot interferometers: applications to OSIRIS. Monthly Notices of the Royal Astronomical Society, 454(2), https://doi.org/10.1093/mnras/stv2230

We describe techniques concerning wavelength calibration and sky subtraction to maximize the scientific utility of data from tunable filter instruments. While we specifically address data from the Optical System for Imaging and low Resolution Integra... Read More about Wavelength self-calibration and sky subtraction for Fabry–Pérot interferometers: applications to OSIRIS.

Galaxy And Mass Assembly (GAMA): the wavelength dependence of galaxy structure versus redshift and luminosity (2015)
Journal Article
Kennedy, R., Bamford, S. P., Baldry, I., Häußler, B., Holwerda, B. W., Hopkins, A. M., …Vulcani, B. (2015). Galaxy And Mass Assembly (GAMA): the wavelength dependence of galaxy structure versus redshift and luminosity. Monthly Notices of the Royal Astronomical Society, 454(1), https://doi.org/10.1093/mnras/stv2032

We study how the sizes and radial profiles of galaxies vary with wavelength, by fitting Sersic functions simultaneously to imaging in nine optical and near-infrared bands. To quantify the wavelength dependence of effective radius we use the ratio, R,... Read More about Galaxy And Mass Assembly (GAMA): the wavelength dependence of galaxy structure versus redshift and luminosity.

Galaxy And Mass Assembly (GAMA): end of survey report and data release 2 (2015)
Journal Article
Liske, J., Baldry, I., Driver, S., Tuffs, R., Alpaslan, M., Andrae, E., …Wright, A. (2015). Galaxy And Mass Assembly (GAMA): end of survey report and data release 2. Monthly Notices of the Royal Astronomical Society, 452(2), https://doi.org/10.1093/mnras/stv1436

The Galaxy And Mass Assembly (GAMA) survey is one of the largest contemporary spectroscopic surveys of low redshift galaxies. Covering an area of∼286 deg2 (split among five survey regions) down to a limiting magnitude of r < 19.8 mag, we have collect... Read More about Galaxy And Mass Assembly (GAMA): end of survey report and data release 2.

OMEGA - OSIRIS Mapping of Emission-line Galaxies in A901/2: I. Survey description, data analysis, and star formation and AGN activity in the highest density regions (2015)
Journal Article
Chies-Santos, A., Rodriguez del Pino, B., Aragón-Salamanca, A., Bamford, S., Gray, M., Wolf, C., …Weinzirl, T. (2015). OMEGA - OSIRIS Mapping of Emission-line Galaxies in A901/2: I. Survey description, data analysis, and star formation and AGN activity in the highest density regions. Monthly Notices of the Royal Astronomical Society, 450(4), 4458-4474. https://doi.org/10.1093/mnras/stv779

We present an overview of and first results from the OMEGA (OSIRIS Mapping of Emission-line Galaxies in the multicluster system A901/2) survey. The ultimate goal of this project is to study star formation and active galactic nucleus (AGN) activity ac... Read More about OMEGA - OSIRIS Mapping of Emission-line Galaxies in A901/2: I. Survey description, data analysis, and star formation and AGN activity in the highest density regions.

Galaxy And Mass Assembly (GAMA): mass-size relations of z < 0.1 galaxies subdivided by Sersic index, colour and morphology (2015)
Journal Article
Lange, R., Driver, S. P., Robotham, A. S., Kelvin, L. S., Graham, A. W., Alpaslan, M., …Wilkins, S. M. (2015). Galaxy And Mass Assembly (GAMA): mass-size relations of z < 0.1 galaxies subdivided by Sersic index, colour and morphology. Monthly Notices of the Royal Astronomical Society, 447(3), 2603-2630. https://doi.org/10.1093/mnras/stu2467

© 2015 The Authors. We use data from the Galaxy And Mass Assembly (GAMA) survey in the redshift range 0.01 < z < 0.1 (8399 galaxies in g to Ks bands) to derive the stellar mass-half-light radius relations for various divisions of 'early'- and 'late'-... Read More about Galaxy And Mass Assembly (GAMA): mass-size relations of z < 0.1 galaxies subdivided by Sersic index, colour and morphology.

MegaMorph - multiwavelength measurement of galaxy structure: physically meaningful bulge-disc decomposition of galaxies near and far (2014)
Journal Article
Vika, M., Bamford, S. P., Haussler, B., & Rojas, A. L. (2014). MegaMorph - multiwavelength measurement of galaxy structure: physically meaningful bulge-disc decomposition of galaxies near and far. Monthly Notices of the Royal Astronomical Society, 444(4), https://doi.org/10.1093/mnras/stu1696

Bulge–disc decomposition is a valuable tool for understanding galaxies. However, achieving robust measurements of component properties is difficult, even with high-quality imaging, and it becomes even more so with the imaging typical of large surveys... Read More about MegaMorph - multiwavelength measurement of galaxy structure: physically meaningful bulge-disc decomposition of galaxies near and far.

Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph (2014)
Journal Article
Vulcani, B., Bamford, S. P., Häußler, B., Vika, M., Rojas, A. L., Agius, N., …Tuffs, R. J. (in press). Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph. Monthly Notices of the Royal Astronomical Society, 441(2), 1340-1362. https://doi.org/10.1093/mnras/stu632

We investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, low-redshift galaxies with optical–near-infrared imaging from the Galaxy And Mass Assembly survey. We fit single-component, w... Read More about Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph.

Caught in the act: cluster 'k+a' galaxies as a link between spirals and S0s (2014)
Journal Article
Rodriguez Del Pino, B., Bamford, S. P., Aragón-Salamanca, A., Milvang-Jensen, B., Merrifield, M. R., & Balcells, M. (2014). Caught in the act: cluster 'k+a' galaxies as a link between spirals and S0s. Monthly Notices of the Royal Astronomical Society, 438(2), https://doi.org/10.1093/mnras/stt2202

We use integral field spectroscopy of 13 disc galaxies in the cluster AC114 at z ∼ 0.31 in an attempt to disentangle the physical processes responsible for the transformation of spiral galaxies in clusters. Our sample is selected to display a dominan... Read More about Caught in the act: cluster 'k+a' galaxies as a link between spirals and S0s.

Galaxy Zoo 1 : Data Release of Morphological Classifications for nearly 900,000 galaxies (2010)
Journal Article
Lintott, C., Schawinski, K., Bamford, S., Slosar, A., Land, K., Thomas, D., …Vandenberg, J. (2011). Galaxy Zoo 1 : Data Release of Morphological Classifications for nearly 900,000 galaxies. Monthly Notices of the Royal Astronomical Society, 410(1), 166–178. https://doi.org/10.1111/j.1365-2966.2010.17432.x

Morphology is a powerful indicator of a galaxy's dynamical and merger history. It is strongly correlated with many physical parameters, including mass, star formation history and the distribution of mass. The Galaxy Zoo project collected simple morph... Read More about Galaxy Zoo 1 : Data Release of Morphological Classifications for nearly 900,000 galaxies.

Galaxy Zoo: A correlation between coherence of galaxy spin chirality and star formation efficiency (2010)
Journal Article
Jimenez, R., Slosar, A., Verde, L., Bamford, S., Lintott, C., Schawinski, K., …Vandenberg, J. (2010). Galaxy Zoo: A correlation between coherence of galaxy spin chirality and star formation efficiency. Monthly Notices of the Royal Astronomical Society, 404(2), 975–980. https://doi.org/10.1111/j.1365-2966.2010.16336.x

We report on the finding of a correlation between galaxies' past star formation activity and the degree to which neighbouring galaxies rotation axes are aligned. This is obtained by cross-correlating star formation histories, derived with MOPED, and... Read More about Galaxy Zoo: A correlation between coherence of galaxy spin chirality and star formation efficiency.

Galaxy Zoo: Chiral correlation function of galaxy spins (2009)
Journal Article
Slosar, A., Land, K., Bamford, S., Lintott, C., Andreescu, D., Murray, P., …Vandenberg, J. (2009). Galaxy Zoo: Chiral correlation function of galaxy spins. Monthly Notices of the Royal Astronomical Society, 392(3), 1225–1232. https://doi.org/10.1111/j.1365-2966.2008.14127.x

Galaxy Zoo is the first study of nearby galaxies that contains reliable information about the spiral sense of rotation of galaxy arms for a sizeable number of galaxies. We measure the correlation function of spin chirality (the sense in which galaxie... Read More about Galaxy Zoo: Chiral correlation function of galaxy spins.