92 citations · 92 across the 1 of their papers we have counts for
3 papers
astro-ph2006★ 92 cited
Discovery of a Faint Old Stellar System at 150 kpc
T. Sakamoto, T. Hasegawa
We report the detection of a faint old stellar system at (SDSS J1257+3419), based on the spatial distribution of bright red-giant branch stars i…
astro-ph2003
Kinematics of Tidal Debris from Omega Centauri's Progenitor Galaxy
Arihiro Mizutani, Masashi Chiba, Tsuyoshi Sakamoto
We present the kinematic properties of a tidally disrupted dwarf galaxy in the Milky Way, based on the hypothesis that its central part once contained the most massive Galactic glo…
astro-ph2002
The Mass of the Milky Way: Limits from a Newly Assembled Set of Halo Objects
Tsuyoshi Sakamoto, Masashi Chiba, Timothy C. Beers
We set new limits on the mass of the Milky Way, making use of the latest kinematic information for Galactic satellites and halo objects. In order to bind these sample objects to th…