An Empirical Characterization of Extended Cool Gas Around Galaxies Using MgII Absorption Features

Abstract

We report results from a survey of MgII absorbers in the spectra of background QSOs that are within close angular distances to a foreground galaxy at z<0.5, using the Magellan Echellette Spectrograph. We have established a spectroscopic sample of 94 galaxies at a median redshift of <z> = 0.24 in fields around 70 distant background QSOs (z_QSO>0.6), 71 of which are in an 'isolated' environment with no known companions and located at rho <~ 120 h^-1 kpc from the line of sight of a background QSO. The rest-frame absolute B-band magnitudes span a range from M_B-5log h=-16.4 to M_B-5log h=-21.4 and rest-frame B_AB-R_AB colors range from B_AB-R_AB~0 to B_AB-R_AB~1.5. Of these 'isolated' galaxies, we find that 47 have corresponding MgII absorbers in the spectra of background QSOs and rest-frame absorption equivalent width W_r(2796)=0.1-2.34 A, and 24 do not give rise to MgII absorption to sensitive upper limits. Our analysis shows that (1) Wr(2796) declines with increasing distance from 'isolated' galaxies but shows no clear trend in 'group' environments; (2) more luminous galaxies possess more extended MgII absorbing halos with the gaseous radius scaled by B-band luminosity according to R_gas=75x(L_B/L_B*)^(0.35+/-0.03) h^{-1} kpc; (3) there is little dependence between the observed absorber strength and galaxy intrinsic colors; and (4) within R_gas, we find a mean covering fraction of <kappa_0.3>~70% for absorbers of Wr(2796)>=0.3 A and <kappa_0.1>~80% for absorbers of Wr(2796)>=0.1 A. The lack of correlation between Wr(2796) and galaxy colors suggests a lack of physical connection between the origin of extended MgII halos and recent star formation history of the galaxies. Finally, we discuss the total gas mass in galactic halos as traced by MgII absorbers. We also compare our results with previous studies.

20 pages, 13 figures; to appear in the Astrophysical Journal 2010 May 10 issue; a version with higher resolution figures can be found at http://lambda.uchicago.edu/public/tmp/mage_apj.pdf

References in corpus (22)

• Galaxy Evolution from Halo Occupation Distribution Modeling of DEEP2 and SDSS Galaxy Clustering
• The Sloan Digital Sky Survey Quasar Catalog IV. Fifth Data Release
• On the mass-to-light ratio of the local Galactic disc and the optical luminosity of the Galaxy
• The present-day star formation rate of the Milky-Way determined from Spitzer detected young stellar objects
• The Baryon Content of Cosmic Structures
• Bursting and Quenching in Massive Galaxies without Major Mergers or AGNs
• The MagE Spectrograph
• Seeding the formation of cold gaseous clouds in Milky Way size halos
• Halo Gas Cross Sections And Covering Fractions of MgII Absorption Selected Galaxies
• New perspectives on strong z=0.5 MgII absorbers: are halo-mass and equivalent width anti-correlated?
• The Fate of High-Velocity Clouds: Warm or Cold Cosmic Rain?
• An Accurate Distance to High-Velocity Cloud Complex C
• Halo Gas and Galaxy Disk Kinematics Derived from Observations and LCDM Simulations of MgII Absorption Selected Galaxies at Intermediate Redshift
• Probing the IGM-Galaxy Connection at z < 0.5 I: A Galaxy Survey in QSO Fields and a Galaxy-Absorber Cross-Correlation Study
• Narrow associated QSO absorbers: clustering, outflows and the line-of-sight proximity effect
• The Baryon Content of Dark Matter Halos: Empirical Constraints from MgII Absorbers
• The Clustering of MgII Absorption Systems at z=0.5 and Detection of Cold Gas in Massive Halos
• On the Halo Occupation of Dark Baryons
• Relics of structure formation: extra-planar gas and high-velocity clouds around the Andromeda Galaxy
• Mg II Absorption Characteristics of a Volume-Limited Sample of Galaxies at z ~ 0.1
• Potential Condensed Fuel for the Milky Way
• On the Redshift Evolution of MgII Absorption Systems

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