The star formation and nuclear accretion histories of normal galaxies in the ages survey

Casey R. Watson, Christopher S. Kochanek, William R. Forman, Ryan C. Hickox, Christine J. Jones, Michael J I Brown, Kate Brand, Arjun Dey, Buell Tomasson Jannuzi, Almus T. Kenter, Steve S. Murray, Alexey Vikhlinin, Daniel J. Eisenstein, Giovani G. Fazio, Paul J. Green, Brian R. McNamara, Marcia J Rieke, Joseph C. Shields

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We combine IR, optical, and X-ray data from the overlapping, 9.3 deg 2 NOAO Deep Wide-Field Survey, AGN and Galaxy Evolution Survey (AGES), and XBoötes Survey to measure the X-ray evolution of 6146 normal galaxies as a function of absolute optical luminosity, redshift, and spectral type over the largely unexplored redshift range 0.1 ≲ z ≲ 0.5. Because only the closest or brightest of the galaxies are individually detected in X-rays, we use a stacking analysis to determine the mean properties of the sample. Our results suggest that X-ray emission from spectroscopically late-type galaxies is dominated by star formation, while that from early-type galaxies is dominated by a combination of hot gas and active galactic nucleus (AGN) emission. We find that the mean star formation and supermassive black hole accretion rate densities evolve like (1 + z)31, in agreement with the trends found for samples of bright, individually detectable starburst galaxies and AGN. Our work also corroborates the results of many previous stacking analyses of faint source populations, with improved statistics.

Original languageEnglish (US)
Pages (from-to)2206-2219
Number of pages14
JournalAstrophysical Journal
Volume696
Issue number2
DOIs
StatePublished - May 10 2009
Externally publishedYes

Fingerprint

star formation
accretion
histories
galaxies
active galactic nuclei
history
stacking
x rays
starburst galaxies
field survey
high temperature gases
luminosity
statistics
trends
gas

Keywords

  • cosmology: observations
  • Galaxy: evolution

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Watson, C. R., Kochanek, C. S., Forman, W. R., Hickox, R. C., Jones, C. J., Brown, M. J. I., ... Shields, J. C. (2009). The star formation and nuclear accretion histories of normal galaxies in the ages survey. Astrophysical Journal, 696(2), 2206-2219. https://doi.org/10.1088/0004-637X/696/2/2206

The star formation and nuclear accretion histories of normal galaxies in the ages survey. / Watson, Casey R.; Kochanek, Christopher S.; Forman, William R.; Hickox, Ryan C.; Jones, Christine J.; Brown, Michael J I; Brand, Kate; Dey, Arjun; Jannuzi, Buell Tomasson; Kenter, Almus T.; Murray, Steve S.; Vikhlinin, Alexey; Eisenstein, Daniel J.; Fazio, Giovani G.; Green, Paul J.; McNamara, Brian R.; Rieke, Marcia J; Shields, Joseph C.

In: Astrophysical Journal, Vol. 696, No. 2, 10.05.2009, p. 2206-2219.

Research output: Contribution to journalArticle

Watson, CR, Kochanek, CS, Forman, WR, Hickox, RC, Jones, CJ, Brown, MJI, Brand, K, Dey, A, Jannuzi, BT, Kenter, AT, Murray, SS, Vikhlinin, A, Eisenstein, DJ, Fazio, GG, Green, PJ, McNamara, BR, Rieke, MJ & Shields, JC 2009, 'The star formation and nuclear accretion histories of normal galaxies in the ages survey', Astrophysical Journal, vol. 696, no. 2, pp. 2206-2219. https://doi.org/10.1088/0004-637X/696/2/2206
Watson CR, Kochanek CS, Forman WR, Hickox RC, Jones CJ, Brown MJI et al. The star formation and nuclear accretion histories of normal galaxies in the ages survey. Astrophysical Journal. 2009 May 10;696(2):2206-2219. https://doi.org/10.1088/0004-637X/696/2/2206
Watson, Casey R. ; Kochanek, Christopher S. ; Forman, William R. ; Hickox, Ryan C. ; Jones, Christine J. ; Brown, Michael J I ; Brand, Kate ; Dey, Arjun ; Jannuzi, Buell Tomasson ; Kenter, Almus T. ; Murray, Steve S. ; Vikhlinin, Alexey ; Eisenstein, Daniel J. ; Fazio, Giovani G. ; Green, Paul J. ; McNamara, Brian R. ; Rieke, Marcia J ; Shields, Joseph C. / The star formation and nuclear accretion histories of normal galaxies in the ages survey. In: Astrophysical Journal. 2009 ; Vol. 696, No. 2. pp. 2206-2219.
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