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Probing Hot Gas in Galaxy Groups through the Sunyaev-Zeldovich Effect
Ran Li, H. J. Mo, Zuhui Fan +2
We investigate the potential of exploiting the Sunyaev-Zeldovich effect (SZE) to study the properties of hot gas in galaxy groups. It is shown that, with upcoming SZE surveys, one…
Satellite Kinematics III: Halo Masses of Central Galaxies in SDSS
Surhud More, Frank C. van den Bosch, Marcello Cacciato +3
We use the kinematics of satellite galaxies that orbit around the central galaxy in a dark matter halo to infer the scaling relations between halo mass and central galaxy propertie…
Are Brightest Halo Galaxies Central Galaxies?
Ramin A. Skibba, Frank C. van den Bosch, Xiaohu Yang +3
It is generally assumed that the central galaxy in a dark matter halo, that is, the galaxy with the lowest specific potential energy, is also the brightest halo galaxy (BHG), and t…