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Distribution of Faint Atomic Gas in Hickson Compact Groups
Sanchayeeta Borthakur, Min S. Yun, Lourdes Verdes-Montenegro +3
We present 21cm HI observations of four Hickson Compact Groups with evidence for a substantial intragroup medium using the Robert C. Byrd Green Bank Telescope (GBT). By mapping H I…
The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data
Kyle S. Dawson, Jean-Paul Kneib, Will J. Percival +143
The Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. Observations will…
PRIMUS + DEEP2: Clustering of X-ray, Radio and IR-AGN at z~0.7
Alexander J. Mendez, Alison L. Coil, James Aird +8
We measure the clustering of X-ray, radio, and mid-IR-selected active galactic nuclei (AGN) at 0.2 < z < 1.2 using multi-wavelength imaging and spectroscopic redshifts from the PRI…
On the Cosmic Evolution of Fe/Mg in QSO Absorption Line Systems
Arjun Dey, Paul Torrey, Kate H. R. Rubin +2
We investigate the variation of the ratio of the equivalent widths of the FeII2600 line to the MgII2796,2803 doublet as a function of redshift in a large sample of absorptio…
Calcium H & K and sodium D absorption induced by the interstellar and circumgalactic media of the Milky Way
Maria Murga, Guangtun Zhu, Brice Ménard +1
We map out calcium II & sodium I absorption (Fraunhofer H, K & D lines) induced by both the interstellar medium and the circumgalactic medium of the Milky Way. Our measurements cov…
Dark Matter Halo Models of Stellar Mass-Dependent Galaxy Clustering in PRIMUS+DEEP2 at 0.2<z<1.2
Ramin A. Skibba, Alison L. Coil, Alexander J. Mendez +8
We utilize CDM halo occupation models of galaxy clustering to investigate the evolving stellar mass dependent clustering of galaxies in the PRIsm MUlti-object Survey (PRIMUS) an…