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

Chies-Santos, A.L.; Rodriguez del Pino, B.; Arag�n-Salamanca, A.; Bamford, S.P.; Gray, M.E.; Wolf, C.; Bohm, A.; Maltby, D.T.; Pintos-Castro, I.; Sanchez-Portal, M.; Weinzirl, T.

doi:10.1093/mnras/stv779

SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies (2019)
Journal Article
Tabor, M., Merrifield, M., Aragón-Salamanca, A., Fraser-Mckelvie, A., Peterken, T., Smethurst, R., Drory, N., & Lane, R. R. (2019). SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies. Monthly Notices of the Royal Astronomical Society, 485(2), 1546–1558. https://doi.org/10.1093/mnras/stz431

By applying spectroscopic decomposition methods to a sample of MaNGA early-type galaxies, we separate out spatially and kinematically distinct stellar populations, allowing us to explore the similarities and differences between galaxy bulges and disc... Read More about SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies.

The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library (2019)
Journal Article
Aguado, D., Ahumada, R., Almeida, A., Anderson, S. F., Andrews, B. H., Anguiano, B., Aquino Ortiz, E., Aragon-Salamanca, A., Argudo-Fernandez, M., Aubert, M., Avila-Reese, V., Badenes, C., Barboza Rembold, S., Barger, K., + 211 authors, & Zou, H. (2019). The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library. Astrophysical Journal Supplement, 240(2), 1-25. https://doi.org/10.3847/1538-4365/aaf651

Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (2014 July–2017 July). This is the third data release for... Read More about The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library.

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.

Tidal interactions and mergers in intermediate redshift EDisCS clusters (2018)
Journal Article
Deger, S., Rudnick, G., Kelkar, K., Aragón-Salamanca, A., Desai, V., Lotz, J. M., Jablonka, P., Moustakas, J., & Zaritsky, D. (2018). Tidal interactions and mergers in intermediate redshift EDisCS clusters. Astrophysical Journal, 869(1), Article 6. https://doi.org/10.3847/1538-4357/aaeb87

We study the fraction of tidal interactions and mergers with well identified observability timescales (fTIM) in group, cluster, and accompanying field galaxies and its dependence on redshift (z), cluster velocity dispersion (sigma) and environment an... Read More about Tidal interactions and mergers in intermediate redshift EDisCS clusters.

A direct test of density wave theory in a grand-design spiral galaxy (2018)
Journal Article
Peterken, T. G., Merrifield, M. R., Aragón-Salamanca, A., Drory, N., Krawczyk, C. M., Masters, K. L., Weijmans, A.-M., & Westfall, K. B. (2019). A direct test of density wave theory in a grand-design spiral galaxy. Nature Astronomy, 3(2), 178-182. https://doi.org/10.1038/s41550-018-0627-5

The exact nature of the arms of spiral galaxies is still an open question1. It has been widely assumed that spiral arms in galaxies with two distinct symmetrical arms are the products of density waves that propagate around the disk, with the spiral a... Read More about A direct test of density wave theory in a grand-design spiral galaxy.

SDSS-IV MaNGA: the formation sequence of S0 galaxies (2018)
Journal Article
Fraser-McKelvie, A., Aragon-Salamanca, A., Merrifield, M., Tabor, M., Bernardi, M., Drory, N., Parikh, T., & Argudo-Fernandez, M. (2018). SDSS-IV MaNGA: the formation sequence of S0 galaxies. Monthly Notices of the Royal Astronomical Society, 481(4), 5580-5591. https://doi.org/10.1093/mnras/sty2563

Gas stripping of spiral galaxies or mergers are thought to be the formation mechanisms of lenticular galaxies. In order to determine the conditions in which each scenario dominates, we derive stellar populations of both the bulge and disk regions of... Read More about SDSS-IV MaNGA: the formation sequence of S0 galaxies.

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., Bamford, S. P., Böhm, A., & 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.

Spectroscopic decomposition of the galaxy and halo of the cD galaxy NGC 3311 (2018)
Journal Article
Johnston, E. J., Merrifield, M., & Aragón-Salamanca, A. (in press). Spectroscopic decomposition of the galaxy and halo of the cD galaxy NGC 3311. Monthly Notices of the Royal Astronomical Society, 478(3), https://doi.org/10.1093/mnras/sty1342

Information on the star-formation histories of cD galaxies and their extended stellar haloes lie in their spectra. Therefore, to determine whether these structures evolved together or through a two-phase formation, we need to spectroscopically separa... Read More about Spectroscopic decomposition of the galaxy and halo of the cD galaxy NGC 3311.

The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment (2018)
Journal Article
Abolfathi, B., Aguado, D., Aguilar, G., Allende Prieto, C., Almeida, A., Ananna, T. T., Anders, F., Anderson, S. F., Andrews, B., Anguiano, B., Aragón-Salamanca, A., Argudo-Fernandez, M., Armengaud, E., Ata, M., Aubourg, E., Merrifield, M. R., & Smethurst, R. J. (in press). The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment. Astrophysical Journal Supplement, 235(2), https://doi.org/10.3847/1538-4365/aa9e8a

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourteenth from SDSS overall (making this, Data Release Fourteen or DR14). Th... Read More about The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment.

SDSS-IV MaNGA: uncovering the angular momentum content of central and satellite early-type galaxies (2018)
Journal Article
Greene, J., Leauthaud, A., Emsellem, E., Ge, J., Aragón-Salamanca, A., Greco, J., Lin, Y.-T., Mao, S., Masters, K., Merrifield, M., More, S., Okabe, N., Schneider, D. P., Thomas, D., Wake, D., Pan, K., Bizyaev, D., Oravetz, D., Simmons, A., Yan, R., & van den Bosch, F. (2018). SDSS-IV MaNGA: uncovering the angular momentum content of central and satellite early-type galaxies. Astrophysical Journal, 852(1), Article 36. https://doi.org/10.3847/1538-4357/aa9bde

We study 379 central and 159 satellite early-type galaxies with two-dimensional kinematics from the integral field survey Mapping Nearby Galaxies at APO (MaNGA) to determine how their angular momentum content depends on stellar and halo mass. Using t... Read More about SDSS-IV MaNGA: uncovering the angular momentum content of central and satellite early-type galaxies.

The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory (2017)
Journal Article
Albareti, F. D., Prieto, C. A., Almeida, A., Anders, F., Anderson, S., Andrews, B. H., Aragón-Salamanca, A., Argudo-Fernández, M., Armengaud, E., Aubourg, E., Avila-Reese, V., Badenes, C., Merrifield, M. R., & and 125 authors. (2017). The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory. Astrophysical Journal Supplement, 233(2), https://doi.org/10.3847/1538-4365/aa8992

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the... Read More about The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory.

Determining the halo mass scale where galaxies lose their gas (2017)
Journal Article
Rudnick, G., Jablonka, P., Moustakas, J., Aragón-Salamanca, A., Zaritsky, D., Jaffe, Y. L., De Lucia, G., Desai, V., Halliday, C., Just, D., Milvang-Jensen, B., & Poggianti, B. (2017). Determining the halo mass scale where galaxies lose their gas. Astrophysical Journal, 850(2), Article 181. https://doi.org/10.3847/1538-4357/aa866c

A major question in galaxy formation is how the gas supply that fuels activity in galaxies is modulated by their environment. We use spectroscopy of a set of well characterized clusters and groups at $0.4<z<0.8$ from the ESO Distant Cluster Survey (E... Read More about Determining the halo mass scale where galaxies lose their gas.

SDSS-IV MaNGA: the different quenching histories of fast and slow rotators (2017)
Journal Article
Smethurst, R. J., Masters, K. L., Lintott, C. J., Weijmans, A.-M., Merrifield, M. R., Penny, S. J., Aragón-Salamanca, A., Brownstein, J., Bundy, K., Drory, N., Law, D., & Nichol, R. C. (2018). SDSS-IV MaNGA: the different quenching histories of fast and slow rotators. Monthly Notices of the Royal Astronomical Society, 473(2), 2679-2687. https://doi.org/10.1093/mnras/stx2547

Do the theorised different formation mechanisms of fast and slow rotators produce an observable difference in their star formation histories? To study this we identify quenching slow rotators in the MaNGA sample by selecting those which lie below the... Read More about SDSS-IV MaNGA: the different quenching histories of fast and slow rotators.

Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe (2017)
Journal Article
Blanton, M. R., Bershady, M. A., Abolfathi, B., Albareti, F. D., Prieto, C. A., Almeida, A., Alonso-García, J., Anders, F., Anderson, S. F., Andrews, B., Aquino-Ortíz, E., Aragón-Salamanca, A., Argudo-Fernández, M., Armengaud, E., Aubourg, E., Avila-Reese, V., Badenes, C., Bailey, S., Barger, K. A., Barrera-Ballesteros, J., …Zou, H. (2017). Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe. Astronomical Journal, 154(1), 1-35. https://doi.org/10.3847/1538-3881/aa7567

We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high re... Read More about Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe.

OMEGA - OSIRIS mapping of emission-line galaxies in A901/2: III. - Galaxy properties across projected phase space in A901/2 (2017)
Journal Article
Weinzirl, T., Aragón-Salamanca, A., Gray, M. E., Bamford, S. P., Rodriguez Del Pino, B., Chies-Santos, A. L., Böhm, A., Wolf, C., & Cool, R. J. (2017). OMEGA - OSIRIS mapping of emission-line galaxies in A901/2: III. - Galaxy properties across projected phase space in A901/2. Monthly Notices of the Royal Astronomical Society, 471(1), 182-200. https://doi.org/10.1093/mnras/stx1525

We conduct a comprehensive projected phase-space analysis of the A901/2 multicluster system at z ∼ 0.165. Aggregating redshifts from spectroscopy, tunable-filter imaging and prism techniques, we assemble a sample of 856 cluster galaxies reaching 108.... Read More about OMEGA - OSIRIS mapping of emission-line galaxies in A901/2: III. - Galaxy properties across projected phase space in A901/2.

The effect of the environment on the structure, morphology and star-formation history of intermediate-redshift galaxies (2017)
Journal Article
Kelkar, K., Gray, M. E., Aragón-Salamanca, A., Rudnick, G., Milvang-Jensen, B., Jablonka, P., & Schrabback, T. (2017). The effect of the environment on the structure, morphology and star-formation history of intermediate-redshift galaxies. Monthly Notices of the Royal Astronomical Society, 469(4), 4551-4564. https://doi.org/10.1093/mnras/stx1155

With the aim of understanding the effect of the environment on the star formation history and morphological transformation of galaxies, we present a detailed analysis of the colour, morphology and internal structure of cluster and field galaxies at 0... Read More about The effect of the environment on the structure, morphology and star-formation history of intermediate-redshift galaxies.

SDSS-IV MaNGA IFS galaxy survey—survey design, execution, and initial data quality (2016)
Journal Article
Yan, R., Bundy, K., Law, D. R., Bershady, M. A., Andrews, B., Cherinka, B., Diamond-Stanic, A. M., Drory, N., MacDonald, N., Sánchez-Gallego, J. R., Thomas, D., Wake, D. A., Weijmans, A.-M., Westfall, K. B., Zhang, K., Aragón-Salamanca, A., Belfiore, F., Bizyaev, D., Blanc, G. A., Blanton, M. R., …Zheng, Z. (2016). SDSS-IV MaNGA IFS galaxy survey—survey design, execution, and initial data quality. Astronomical Journal, 152(6), Article 197. https://doi.org/10.3847/0004-6256/152/6/197

The MaNGA Survey (Mapping Nearby Galaxies at Apache Point Observatory) is one of three core programs in the Sloan Digital Sky Survey IV. It is obtaining integral field spectroscopy for 10,000 nearby galaxies at a spectral resolution of R ∼ 2000 from... Read More about SDSS-IV MaNGA IFS galaxy survey—survey design, execution, and initial data quality.

The demographics of galactic bulges in the SDSS database (2016)
Journal Article
Kim, K., Oh, S., Jeong, H., Aragón-Salamanca, A., Smith, R., & Yi, S. K. (2016). The demographics of galactic bulges in the SDSS database. Astrophysical Journal Supplement, 225(1), Article 6. https://doi.org/10.3847/0067-0049/225/1/6

We present a new database of our two-dimensional bulge–disk decompositions for 14,233 galaxies drawn from Sloan Digital Sky Survey DR12 in order to examine the properties of bulges residing in the local universe (0.005 < z < 0.05). We performed decom... Read More about The demographics of galactic bulges in the SDSS database.

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.

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., Bohm, A., Maltby, D., Pintos-Castro, I., Sanchez-Portal, M., & 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.

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