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Astropy: A Community Python Package for Astronomy
The Astropy Collaboration, Thomas P. Robitaille, Erik J. Tollerud +42
We present the first public version (v0.2) of the open-source and community-developed Python package, Astropy. This package provides core astronomy-related functionality to the com…
A Dichotomy in Satellite Quenching Around L* Galaxies
John I. Phillips, Coral Wheeler, Michael Boylan-Kolchin +3
We examine the star formation properties of bright (~0.1 L*) satellites around isolated ~L* hosts in the local Universe using spectroscopically confirmed systems in the Sloan Digit…
The Lick AGN Monitoring Project 2011: Fe II Reverberation from the Outer Broad-Line Region
Aaron J. Barth, Anna Pancoast, Vardha N. Bennert +26
The prominent broad Fe II emission blends in the spectra of active galactic nuclei have been shown to vary in response to continuum variations, but past attempts to measure the rev…
The Outer Limits of the M31 System: Kinematics of the Dwarf Galaxy Satellites And XXVIII and And XXIX
Erik J. Tollerud, Marla C. Geha, Luis C. Vargas +1
We present Keck/DEIMOS spectroscopy of resolved stars in the M31 satellites And XXVIII & And XXIX. We show that these are likely self-bound galaxies based on 18 and 24 members in A…