Publication: Characterizing the satellites of massive galaxies up to z ∼ 2: young populations to build the outskirts of nearby massive galaxies
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2013-02
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Wiley
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The accretion of minor satellites is currently proposed as the most likely mechanism to explain the significant size evolution of the massive galaxies during the last ∼10 Gyr. In this paper, we investigate the rest-frame colours and the average stellar ages of satellites found around massive galaxies (M_star ∼ 10^11 M_⊙) since z ∼ 2. We find that the satellites have bluer colours than their central galaxies. When exploring the stellar ages of the galaxies, we find that the satellites have similar ages to the massive galaxies that host them at high redshifts, while at lower redshifts they are, on average, ≳1.5 Gyr younger. If our satellite galaxies create the envelope of nearby massive galaxies, our results would be compatible with the idea that the outskirts of those galaxies are slightly younger, metal-poorer and with lower [α/Fe] abundance ratios than their inner regions.
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© 2012 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society.
We thank the anonymous referee for a constructive reading of the manuscript that helped us to improve the quality of the paper. Authors are grateful to Alexandre Vazdekis, Elena Ricciardelli and Ignacio Ferreras for fruitful discussions. This work has been supported by the 'Programa Nacional de Astronomía y Astrofísica' of the Spanish Ministry of Science and Innovation under grant AYA2010-21322-C03-02. PGP-G, GB and VV acknowledge support from the Spanish Programa Nacional de Astronomía y Astrofísica under grants AYA2009-10368, AYA2009-07723-E and CSD2006-00070. This work has made use of the Rainbow Cosmological Surveys Database, which is operated by the Universidad Complutense de Madrid (UCM).
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Andredakis Y. C., Peletier R. F., Balcells M., 1995, MNRAS, 275, 874
Baldry I. K., Glazebrook K., Brinkmann J., Ivezic Z., Lupton R. H., Nichol R. C., Szalay A. S., 2004, ApJ, 600, 681
Balogh M. L., Baldry I. K., Nichol R., Miller C., Bower R., Glazebrook K., 2004, ApJ, 615, L101
Barro G. et al., 2011a, ApJS, 193, 13
Barro G. et al., 2011b, ApJS, 193, 30
Bell E. F. et al., 2004, ApJ, 608, 752
Blanton M. R. et al., 2003, ApJ, 594, 186
Brammer G. B. et al., 2009, ApJ, 706, L173
Buitrago F., Trujillo I., Conselice C. J., Bouwens R. J., Dickinson M., Yan H., 2008, ApJ, 687, L61
Bundy K. et al., 2006, ApJ, 697, 1369
Calzetti D., Armus L., Bohlin R. C., Kinney A. L., Koornneef J., Storchi-Bergmann T., 2000, ApJ, 533, 682
Cassata P. et al., 2011, ApJ, 743, 96
Chary R., Elbaz D., 2001, ApJ, 556, 562
Chen J., 2008, AJ, 484, 347
Conselice C. J. et al., 2007, MNRAS, 381, 962
Daddi E. et al., 2005, ApJ, 626, 680
Dale D. A., Helou G., 2002, ApJ, 576, 159
de Ravel L. et al., 2011, preprint (arXiv:1104.5470)
Driver S. P. et al., 2011, MNRAS, 413, 971
Fioc M., Rocca-Volmerange B., 1997, A&A, 326, 950
Ganda K. et al., 2007, MNRAS, 380, 506
Gargiulo A., Saracco P., Longhetti M., La Barbera F., Tamburri S., 2012, MNRAS, 425, 2698
Giallongo E., Salimbeni S., Menci N., Zamorani G., Fontana A., Dickinson M., Cristiani S., Pozzetti L., 2005, ApJ, 622, 116
Giavalisco M. et al., 2004, ApJ, 600, L93
Greene J. E., Murphy J. D., Comerford J. M., Gebhardt K., Adams J. J., 2012, ApJ, 750, 32
Gronin N. A. et al., 2011, ApJS, 197, 35
Grützbauch R. et al., 2011, MNRAS, 418, 938
Guo Y. et al., 2011, ApJ, 735, 18
Hogg D. W. et al., 2003, ApJ, 585, L5
Hopkins P. F., Hernquist L., Cox T. J., Keres D., Wuyts S., 2009, ApJ, 691, 1424
Hopkins P. F., Bundy K., Hernquist L., Wuyts S., Cox T. J., 2010, MNRAS, 401, 1099
Khochfar S., Burkert A., 2006, AJ, 445, 403
Kroupa P., 2001, MNRAS, 322, 231
Kuntschner H. et al., 2010, MNRAS, 408, 97
Lin H., Yee H. K. C., Carlberg R. G., Morris S. L., 1999, ApJ, 518, 533
Liu L., Gerke B. F., Wechsler R. H., Behroozi P. S., Busha M. T., 2011, ApJ, 733, 62
Longhetti M. et al., 2007, MNRAS, 374, 614
López Sanjuan C. et al., 2011, A&A, 530, A20
Lotz J. M., Jonsson P., Cox T. J., Croton D., Primack J. R., Somerville R. S., Stewart K., 2011, ApJ, 742, 103
McGrathMan E. J., Stockton A., Canalizo G., Iye M., Maihara T., 2008, ApJ, 682, 303
Mármol Queraltó E., Trujillo I., Pérez González P. G., Varela J., Barro G., 2012, MNRAS, 422, 2187 (Paper I)
Month P., Elston R. J., 2002, AJ, 124, 1886
Naab T., Johansson P. H., Ostriker J. P., 2009, ApJ, 699, L178
Newman A. B., Ellis R. S., Bundy K., Treu T., 2012, ApJ, 746, 162
Nierenberg A. M., Auger M. W., Treu T., Marshall P. J., Fassnacht C. D., 2011, ApJ, 731, 44
Nipoti C., Londrillo P., Ciotti L., 2003, MNRAS, 342, 501
Oke J. B., 1974, ApJS, 27, 21
Oser L., Naab T., Ostriker J. P., Johansson P. H., 2012, ApJ, 744, 63
Pannella M. et al., 2009, ApJ, 701, 787
Pasquali A., Gallazzi A., Fontanot F., van den Bosch F. C., De Lucia G., Mo H. J., Yang X., 2010, MNRAS, 407, 937
Patton D. R., Atfield J. E., 2008, ApJ, 685, 235
Patton D. R., Carlberg R. G.,Marzke R. O., Pritchet C. J., da Costa L. N., Pellegrini P. S., 2000, ApJ, 536, 153
Pérez González P. G. et al., 2005, ApJ, 630, 82
Pérez González P. G. et al., 2008a, ApJ, 675, 234
Pérez González P. G., Trujillo I., Barro G., Gallego J., Zamorano J., Conselice C. J., 2008b, ApJ, 687, 50
Prescott M. et al., 2011, MNRAS, 417, 1374
Quilis A. J., Trujillo I., 2012, ApJ, 752, L19
Ravindranath S. et al., 2004, ApJ, 604, L9
Salpeter E. E., 1955, ApJ, 121, 161
Sánchez Blázquez P., Forbes D. A., Strader J., Brodie J., Proctor R., 2007, MNRAS, 377, 759
Sandage A., 1986, A&A, 161, 89
Sérsic J. L., 1968, Atlas de Galaxias Australes. Observatorio Astronómico, Córdoba
Skibba R. A., van den Bosch F. C., Yang X., More S., Mo H., Fontanot F., 2011, MNRAS, 410, 417
Spolaor M., Kobayashi C., Forbes D. A., Couch W. J., Hau G. K. T., 2010, MNRAS, 408, 272
Strateva I. et al., 2011, AJ, 122, 1861
Thomas D., Maraston C., Bender R., Mendes de Oliveira C., 2005, ApJ, 621, 673
Tortora C., Napolitano N. R., Cardone V. F., Capaccioli M., Jetzer P., Molinaro R., 2010, MNRAS, 407, 144
Trujillo I. et al., 2006, ApJ, 650, 18
Trujillo I., Conselice C. J., Bundy K., Cooper M. C., Eisenhardt P., Ellis R. S., 2007, MNRAS, 382, 109 (T07)
Trujillo I., Ferreras I., de La Rosa I. G., 2011, MNRAS, 938, 3903
Van Den Bosch F. C., Aquino D., Yang X., Mo H. J., Pasquali A., McIntosh D. H., Weinmann S. M., Kang X., 2008, MNRAS, 387, 79
van Dokkum P. G. et al., 2010, ApJ, 709, 1018
Wang W., White S. D. M., 2012, MNRAS, 424, 2574
Wang Y. et al., 2010, ApJ, 718, 762
Weiner B. J. et al., 2005, ApJ, 620, 595
Weinmann S. M., Kauffmann G., van den Bosch F. C., Pasquali A., McIntosh D. H., Mo H., Yang X., Guo Y., 2009, MNRAS, 394, 1213
Whitaker K. E. et al., 2011, ApJ, 735, 86
Williams R. J., Quadri R. F., Franx M., 2011, ApJ, 738, L25
Willmer C. N. A. et al., 2006, ApJ, 647, 853
Wu H., Shao Z., Mo H. J., Xia X., Deng Z., 2005, ApJ, 622, 244
Yang X., Mo H. J., van den Bosch F. C., Jing Y. P., 2005, MNRAS, 356, 1293