3 papers
astro-ph.GA2019
A Spectroscopic Census of X-ray Systems in the COSMOS Field
Jubee Sohn, Margaret J. Geller, H. Jabran Zahid
We investigate spectroscopic properties of galaxy systems identified based on deep X-ray observations in the COSMOS field. The COSMOS X-ray system catalog we use George et al. (201…
astro-ph.GA2018
A Complete Spectroscopic Census of Abell 2029: A Tale of Three Histories
Jubee Sohn, Margaret J. Geller, H. Jabran Zahid +1
A rich spectroscopic census of members of the local massive cluster Abell 2029 includes 1215 members of A2029 and its two infalling groups, A2033 and a Southern Infalling Group (SI…
astro-ph.GA2018
Stellar Velocity Dispersion: Linking Quiescent Galaxies to their Dark Matter Halos
H. Jabran Zahid, Jubee Sohn, Margaret J. Geller
We analyze the Illustris-1 hydrodynamical cosmological simulation to explore the stellar velocity dispersion of quiescent galaxies as an observational probe of dark matter halo vel…