output
19952026
most citedThe Demography of Massive Dark Objects in Galaxy Centres

4k citations

Showing 2012 · astro-ph.GAShow all

5 papers · 2 filters

astro-ph.GA2012★ 11 cited

On Galaxies and Homology

Gregory S. Novak, Patrik Jonsson, Joel R. Primack +2

The definition of homology for single-component galaxies is clear, but for multi-component (luminous and dark matter) galaxies there is some ambiguity. We attempt to clarify the si…

astro-ph.GA2012★ 136 cited

A Short Scale Length for the α-Enhanced Thick Disk of the Milky Way: Evidence from Low-Latitude SEGUE Data

Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison +12

We examine the α-element abundance ratio, [α/Fe], of 5620 stars, observed by the Sloan Extension for Galactic Understanding and Exploration survey in the region 6 kpc < R < 16 kpc,…

astro-ph.GA2012★ 48 cited

The SPLASH Survey: Kinematics of Andromeda's Inner Spheroid

Claire E. Dorman, Puragra Guhathakurta, Mark A. Fardal +12

The combination of large size, high stellar density, high metallicity, and Sersic surface brightness profile of the spheroidal component of the Andromeda galaxy (M31) within R_proj…

astro-ph.GA2012★ 36 cited

Insight Into the Formation of the Milky Way Through Cold Halo Substructure. III. Statistical Chemical Tagging in the Smooth Halo

Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee +5

We find that the relative contribution of satellite galaxies accreted at high redshift to the stellar population of the Milky Way's smooth halo increases with distance, becoming ob…

astro-ph.GA2012★ 2 cited

The Effect of Major Mergers on Age and Metallicity Across the Fundamental Plane

L. A. Porter, R. S. Somerville, D. J. Croton +4

Recent low-redshift observations have attempted to determine the star formation histories of elliptical galaxies by tracking correlations between the stellar population parameters…