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Incidence of HI 21-cm absorption in strong FeII systems at
R. Dutta, R. Srianand, N. Gupta +5
We present the results from our search for HI 21-cm absorption in a sample of 16 strong FeII systems ((MgII ) Å and (FeII )…
The Mean Metal-line Absorption Spectrum of DLAs in BOSS
Lluís Mas-Ribas, Jordi Miralda-Escudé, Ignasi Pérez-Ràfols +6
We study the mean absorption spectrum of the Damped Lyman alpha population at by stacking normalized, rest-frame shifted spectra of DLAs from the DR12 of…
The Sloan Digital Sky Survey Quasar Catalog: twelfth data release
Isabelle Pâris, Patrick Petitjean, Nicholas P. Ross +43
We present the Data Release 12 Quasar catalog (DR12Q) from the Baryon Oscillation Spectroscopic Survey (BOSS) of the SDSS-III. This catalog includes all SDSS-III/BOSS objects that…
Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646
Bo Ma, Jian Ge, Alex Wolszczan +34
We report the detections of a giant planet (MARVELS-7b) and a brown dwarf candidate (MARVELS-7c) around the primary star in the close binary system, HD 87646. It is the first close…
Constraining the Baryon-Dark Matter Relative Velocity with the Large-Scale 3-Point Correlation Function of the SDSS BOSS DR12 CMASS Galaxies
Zachary Slepian, Daniel J. Eisenstein, Jonathan A. Blazek +12
We search for a galaxy clustering bias due to a modulation of galaxy number with the baryon-dark matter relative velocity resulting from recombination-era physics. We find no detec…
Examining the relationships between colour, , and [M/H] for APOGEE K and M dwarfs
Sarah J. Schmidt, Erika L. Wagoner, Jennifer A. Johnson +4
We present the effective temperatures (), metallicities, and colours in SDSS, 2MASS, and WISE filters, of a sample of 3834 late-K and early-M dwarfs selected from the…