Galaxy-Halo Gas Kinematic Connection 0.3 < z < 1

Details Galaxy-Halo Gas Kinematic Connection 0.3 < z < 1 Galaxy-Halo Gas Kinematic Connection 0.3 < z < 1

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20514511k&link_type=abstract

American Astronomical Society Meeting 205, #145.11; Bulletin of the American Astronomical Society, Vol. 36, p.1591

Astronomy and Astrophysics

Astronomy

Scientific paper

It is our goal to understand the stellar-halo gas kinematic connection in intermediate redshift galaxies. We aim to learn whether halos are relaxed and/or kinematically fueled via disk outflow episodes or whether they are not relaxed and possibly maintained by accretion/merger events. We have expanded a pilot study of five galaxies (Steidel et al. 2002, ApJ, 570, 526) to 30 galaxies with z < 1. Keck HIRES Mg II quasar absorption profiles are used to study the halo gas kinematics and WFPC-2 images along with Keck LRIS spectra of the galaxies used to study the stellar kinematics. GIM2D (Simard et al. 2002) was used to model galaxy morphology parameters. We have explored possible kinematic correlations with impact parameters, galaxy inclination and morphology and discuss the implications of the extended gaseous environments of galaxies.

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