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Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations (2020)
Journal Article
Kuchner, U., Aragón-Salamanca, A., Pearce, F. R., Gray, M. E., Rost, A., Mu, C., …Yepes, G. (2020). Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations. Monthly Notices of the Royal Astronomical Society, 494(4), 5473-5491. https://doi.org/10.1093/mnras/staa1083

Upcoming wide-field surveys are well-suited to studying the growth of galaxy clusters by tracing galaxy and gas accretion along cosmic filaments. We use hydrodynamic simulations of volumes surrounding 324 clusters from The ThreeHundred project to dev... Read More about Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations.

Preprocessing among the Infalling Galaxy Population of EDisCS Clusters (2019)
Journal Article
Kirby, M., Just, D. W., Zaritsky, D., Rudnick, G., Desjardins, T., Cool, R., …Liebst, K. (2019). Preprocessing among the Infalling Galaxy Population of EDisCS Clusters. Astrophysical Journal, 885(1), Article 6. https://doi.org/10.3847/1538-4357/ab44a0

We present results from a low-resolution spectroscopic survey for 21 galaxy clusters at 0.4 < z < 0.8 selected from the ESO Distant Cluster Survey. We measured spectra using the low-dispersion prism in IMACS on the Magellan Baade telescope and calcul... Read More about Preprocessing among the Infalling Galaxy Population of EDisCS Clusters.

Signatures of stellar accretion in MaNGA early-type galaxies (2019)
Journal Article
Oyarzún, G. A., Bundy, K., Westfall, K. B., Belfiore, F., Thomas, D., Maraston, C., …Andrews, B. H. (2019). Signatures of stellar accretion in MaNGA early-type galaxies. Astrophysical Journal, 880(2), Article 111. https://doi.org/10.3847/1538-4357/ab297c

The late assembly of massive galaxies is thought to be dominated by stellar accretion in their outskirts (beyond 2 effective radii R e) due to dry, minor galaxy mergers. We use observations of 1010 passive early-type galaxies (ETGs) within z < 0.15 f... Read More about Signatures of stellar accretion in MaNGA early-type galaxies.

The time delay between star formation quenching and morphological transformation of galaxies in clusters: a phase–space view of EDisCS (2019)
Journal Article
Kelkar, K., Gray, M. E., Aragón-Salamanca, A., Rudnick, G., Jaffé, Y. L., Jablonka, P., …Milvang-Jensen, B. (2019). The time delay between star formation quenching and morphological transformation of galaxies in clusters: a phase–space view of EDisCS. Monthly Notices of the Royal Astronomical Society, 486(1), 868-884. https://doi.org/10.1093/mnras/stz905

We explore the possible effect of cluster environments on the structure and star formation histories of galaxies by analysing the projected phase–space (PPS) of intermediate-redshift clusters (0.4 z 0.8). HST I−band imaging data from the ESO Distant... Read More about The time delay between star formation quenching and morphological transformation of galaxies in clusters: a phase–space view of EDisCS.

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., …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., …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.

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., …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., …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., …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.

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., …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., …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., …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.

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.

GLACE survey: OSIRIS/GTC tuneable filter Hα imaging of the rich galaxy cluster ZwCl 0024.0+1652 at z=0.395 (2015)
Journal Article
Sánchez-Portal, M., Pintos-Castro, I., Pérez-Martínez, R., Cepa,, J., Pérez García, A., Domínguez-Sánchez, H., …Valtchanov, I. (2015). GLACE survey: OSIRIS/GTC tuneable filter Hα imaging of the rich galaxy cluster ZwCl 0024.0+1652 at z=0.395. Astronomy and Astrophysics, 578, Article A30. https://doi.org/10.1051/0004-6361/201525620

The cores of clusters at 0 ≲ z ≲ 1 are dominated by quiescent early-type galaxies, whereas the field is dominated by star-forming late-type galaxies. Clusters grow through the accretion of galaxies and groups from the surrounding field, which implies... Read More about GLACE survey: OSIRIS/GTC tuneable filter Hα imaging of the rich galaxy cluster ZwCl 0024.0+1652 at z=0.395.

Galaxy sizes as a function of environment at intermediate redshift from the ESO Distant Cluster Survey (2015)
Journal Article
Kelkar, K., Aragón-Salamanca, A., Gray, M., Maltby, D., Vulcani, B., De Lucia, G., Poggianti, B., & Zaritsky, D. (2015). Galaxy sizes as a function of environment at intermediate redshift from the ESO Distant Cluster Survey. Monthly Notices of the Royal Astronomical Society, 450(2), https://doi.org/10.1093/mnras/stv670

In order to assess whether the environment has a significant effect on galaxy sizes, we compare the mass–size relations of cluster and field galaxies in the 0.4<z<0.8 red-shift range from the ESO Distant Cluster Survey (EDisCS) using Hubble Space Tel...