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Title: Stellar mass–halo mass relation for the brightest central galaxies of X-ray clusters since z ~ 0.65

Abstract

We present the brightest cluster galaxies (BCGs) catalog for SPectroscoic IDentification of eROSITA Sources (SPIDERS) DR14 cluster program value-added catalog. We list the 416 BCGs identified as part of this process, along with their stellar mass, star formation rates (SFRs), and morphological properties. We identified the BCGs based on the available spectroscopic data from SPIDERS and photometric data from SDSS. We computed stellar masses and SFRs of the BCGs on the basis of SDSS, WISE, and GALEX photometry using spectral energy distribution fitting. Morphological properties for all BCGs were derived by Sersic profile fitting using the software package SIGMA in different optical bands ($g,r,i$). We combined this catalog with the BCGs of galaxy groups and clusters extracted from the deeper AEGIS, CDFS, COSMOS, XMM-CFHTLS, and XMM-XXL surveys to study the stellar mass–halo mass relation using the largest sample of X-ray groups and clusters known to date. This result suggests that the mass growth of the central galaxy is controlled by the hierarchical mass growth of the host halo. We find a strong correlation between the stellar mass of BCGs and the mass of their host halos. This relation shows no evolution since $z$ ~ 0.65. We measure a mean scattermore » of 0.21 and 0.25 for the stellar mass of BCGs in a given halo mass at low (0.1 < $z$ < 0.3) and high (0.3 < $z$ < 0.65) redshifts, respectively. We further demonstrate that the BCG mass is covariant with the richness of the host halos in the very X-ray luminous systems. We also find evidence that part of the scatter between X-ray luminosity and richness can be reduced by considering stellar mass as an additional variable.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [3];  [4];  [1];  [7];  [1];  [8];  [9];  [1];  [1];  [10];  [1];  [1];  [3];  [11] more »;  [12];  [13];  [14];  [14];  [15];  [16];  [16];  [16] « less
  1. Max Planck Inst. for Extraterrestrial Physics, Garching by Munich (Germany)
  2. Max Planck Inst. for Extraterrestrial Physics, Garching by Munich (Germany); Univ. of Helsinki (Finland)
  3. Liverpool John Moores Univ. (United Kingdom). Astrophysics Research Inst.
  4. Excellence Cluster Universe, Garching bei München (Germany)
  5. INAF/Osservatorio Astronomico di Trieste, Trieste (Italy)
  6. Univ. of Bath (United Kingdom)
  7. Inst. for Research in Fundamental Sciences (IPM), Tehran (Iran)
  8. Ludwig-Maximilians-Univ., Munich (Germany); Excellence Cluster Universe, Garching bei München (Germany)
  9. Stanford Univ., CA (United States). Kavli Inst. for Particle Astrophysics & Cosmology; SLAC National Accelerator Lab., Menlo Park, CA (United States)
  10. L'Inst. de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, (France); Univ. de Toulouse (France); Centre National de la Recherche Scientifique (CNRS), Toulouse (France); Centre National d'Études Spatiales (CNES), Toulouse (France)
  11. Univ. of Turku, Quantum (Finland). Finnish centre for Astronomy with ESO (FINCA); Univ. of Helsinki (Finland)
  12. Univ. of St. Andrews, Scotland (United Kingdom)
  13. Univ. of Utah, Salt Lake City, UT (United States)
  14. Univ. of Arizona, Tucson, AZ (United States)
  15. Pennsylvania State Univ., University Park, PA (United States)
  16. Univ. of Helsinki (Finland)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1596766
Grant/Contract Number:  
[AC02-76SF00515]
Resource Type:
Accepted Manuscript
Journal Name:
Astronomy and Astrophysics
Additional Journal Information:
[ Journal Volume: 631]; Journal ID: ISSN 0004-6361
Publisher:
EDP Sciences
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; galaxies; evolution - galaxies; clusters; general - galaxies; groups; general - X-rays; clusters - galaxies; elliptical and lenticular; cD

Citation Formats

Erfanianfar, G., Finoguenov, A., Furnell, K., Popesso, P., Biviano, A., Wuyts, S., Collins, C. A., Mirkazemi, M., Comparat, J., Khosroshahi, H., Nandra, K., Capasso, R., Rykoff, E., Wilman, D., Merloni, A., Clerc, N., Salvato, M., Chitham, J. I., Kelvin, L. S., Gozaliasl, G., Weijmans, A., Brownstein, J., Egami, E., Pereira, M. J., Schneider, D. P., Kirkpatrick, C., Damsted, S., and Kukkola, A. Stellar mass–halo mass relation for the brightest central galaxies of X-ray clusters since z ~ 0.65. United States: N. p., 2019. Web. doi:10.1051/0004-6361/201935375.
Erfanianfar, G., Finoguenov, A., Furnell, K., Popesso, P., Biviano, A., Wuyts, S., Collins, C. A., Mirkazemi, M., Comparat, J., Khosroshahi, H., Nandra, K., Capasso, R., Rykoff, E., Wilman, D., Merloni, A., Clerc, N., Salvato, M., Chitham, J. I., Kelvin, L. S., Gozaliasl, G., Weijmans, A., Brownstein, J., Egami, E., Pereira, M. J., Schneider, D. P., Kirkpatrick, C., Damsted, S., & Kukkola, A. Stellar mass–halo mass relation for the brightest central galaxies of X-ray clusters since z ~ 0.65. United States. doi:10.1051/0004-6361/201935375.
Erfanianfar, G., Finoguenov, A., Furnell, K., Popesso, P., Biviano, A., Wuyts, S., Collins, C. A., Mirkazemi, M., Comparat, J., Khosroshahi, H., Nandra, K., Capasso, R., Rykoff, E., Wilman, D., Merloni, A., Clerc, N., Salvato, M., Chitham, J. I., Kelvin, L. S., Gozaliasl, G., Weijmans, A., Brownstein, J., Egami, E., Pereira, M. J., Schneider, D. P., Kirkpatrick, C., Damsted, S., and Kukkola, A. Tue . "Stellar mass–halo mass relation for the brightest central galaxies of X-ray clusters since z ~ 0.65". United States. doi:10.1051/0004-6361/201935375. https://www.osti.gov/servlets/purl/1596766.
@article{osti_1596766,
title = {Stellar mass–halo mass relation for the brightest central galaxies of X-ray clusters since z ~ 0.65},
author = {Erfanianfar, G. and Finoguenov, A. and Furnell, K. and Popesso, P. and Biviano, A. and Wuyts, S. and Collins, C. A. and Mirkazemi, M. and Comparat, J. and Khosroshahi, H. and Nandra, K. and Capasso, R. and Rykoff, E. and Wilman, D. and Merloni, A. and Clerc, N. and Salvato, M. and Chitham, J. I. and Kelvin, L. S. and Gozaliasl, G. and Weijmans, A. and Brownstein, J. and Egami, E. and Pereira, M. J. and Schneider, D. P. and Kirkpatrick, C. and Damsted, S. and Kukkola, A.},
abstractNote = {We present the brightest cluster galaxies (BCGs) catalog for SPectroscoic IDentification of eROSITA Sources (SPIDERS) DR14 cluster program value-added catalog. We list the 416 BCGs identified as part of this process, along with their stellar mass, star formation rates (SFRs), and morphological properties. We identified the BCGs based on the available spectroscopic data from SPIDERS and photometric data from SDSS. We computed stellar masses and SFRs of the BCGs on the basis of SDSS, WISE, and GALEX photometry using spectral energy distribution fitting. Morphological properties for all BCGs were derived by Sersic profile fitting using the software package SIGMA in different optical bands ($g,r,i$). We combined this catalog with the BCGs of galaxy groups and clusters extracted from the deeper AEGIS, CDFS, COSMOS, XMM-CFHTLS, and XMM-XXL surveys to study the stellar mass–halo mass relation using the largest sample of X-ray groups and clusters known to date. This result suggests that the mass growth of the central galaxy is controlled by the hierarchical mass growth of the host halo. We find a strong correlation between the stellar mass of BCGs and the mass of their host halos. This relation shows no evolution since $z$ ~ 0.65. We measure a mean scatter of 0.21 and 0.25 for the stellar mass of BCGs in a given halo mass at low (0.1 < $z$ < 0.3) and high (0.3 < $z$ < 0.65) redshifts, respectively. We further demonstrate that the BCG mass is covariant with the richness of the host halos in the very X-ray luminous systems. We also find evidence that part of the scatter between X-ray luminosity and richness can be reduced by considering stellar mass as an additional variable.},
doi = {10.1051/0004-6361/201935375},
journal = {Astronomy and Astrophysics},
number = ,
volume = [631],
place = {United States},
year = {2019},
month = {11}
}

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