2 papers
astro-ph.CO2017
Galaxy-galaxy weak-lensing measurement from SDSS: II. host halo properties of galaxy groups
Wentao Luo, Xiaohu Yang, Tianhuan Lu +10
As the second paper of a series on studying galaxy-galaxy lensing signals using the Sloan Digital Sky Survey Data Release 7 (SDSS DR7), we present our measurement and modelling of…
astro-ph.GA2016
The gap of stellar mass in galaxy groups: another perspective of the Too-big-To-Fail problem in the Milky Way
Xi Kang, L. Wang, Y. Luo
The Milky Way presents the too-big-to-fail (TBTF) problem that there are two observed satellite galaxies with maximum circular velocity larger than 55km/s, and others have velocity…