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A new Milky Way halo star cluster in the Southern Galactic Sky
Eduardo Balbinot, B. X. Santiago, L. da Costa +7
We report on the discovery of a new Milky Way companion stellar system located at (RA, Dec) = (22h10m43.15s, +14:56:58.8). The discovery was made using the eighth data release of S…
Very Low-mass Stellar and Substellar Companions to Solar-like Stars from Marvels III: A Short-Period Brown Dwarf Candidate Around An Active G0Iv Subgiant
Bo Ma, Jian Ge, Rory Barnes +45
We present an eccentric, short-period brown dwarf candidate orbiting the active, slightly evolved subgiant star TYC 2087-00255-1, which has effective temperature T_eff = 5903+/-42…
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: the low redshift sample
John K. Parejko, Tomomi Sunayama, Nikhil Padmanabhan +36
We report on the small scale (0.5<r<40h^-1 Mpc) clustering of 78895 massive (M*~10^11.3M_sun) galaxies at 0.2<z<0.4 from the first two years of data from the Baryon Oscillation Spe…
A simple prescription for simulating and characterizing gravitational arcs
Cristina Furlanetto, Basílio X. Santiago, Martín Makler +6
Simple models of gravitational arcs are crucial to simulate large samples of these objects with full control of the input parameters. These models also provide crude and automated…
The SOAR Gravitational Arc Survey - I: Survey overview and photometric catalogs
Cristina Furlanetto, Basilio X. Santiago, Martin Makler +10
We present the first results of the SOAR (Southern Astrophysical Research) Gravitational Arc Survey (SOGRAS). The survey imaged 47 clusters in two redshift intervals centered at $z…
The Milky Way's circular velocity curve between 4 and 14 kpc from APOGEE data
Jo Bovy, Carlos Allende Prieto, Timothy C. Beers +30
We measure the Milky Way's rotation curve over the Galactocentric range 4 kpc <~ R <~ 14 kpc from the first year of data from the Apache Point Observatory Galactic Evolution Experi…