All Outputs (43)

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., Cardamone, C. N., Hart, R. E., Schawinski, K., Smethurst, R. J., Vika, M., & 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<0.06) galax...

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.

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.

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.

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: 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.

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.

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.

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.

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., Baldry, I., Bauer, A., Browne, W. J., Driver, S., Graham, A. W., Kelvin, L. S., Liske, J., Loveday, J., Popescu, C. C., Robotham, A., & 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.