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Constraining Extragalactic Proper Motion with Gaia Astrometry
Sean Maloney, Tianqing Zhang, Rupert Croft +1
The Solar System's secular motion with respect to the cosmic microwave background (CMB) rest frame is inferred from the CMB dipole and should induce a tiny, coherent apparent drift…
Ultramassive black holes formed by triple quasar mergers at
Yueying Ni, Tiziana DiMatteo, Nianyi Chen +2
The origin of rare and elusive ultramassive black holes (UMBH, with MBH > 1e10 Msun) is an open question. Using the large volume cosmological hydrodynamic simulation ASTRID, we rep…
Gravitational redshift profiles of MaNGA BCGs
Hongyu Zhu, Shadab Alam, Rupert A. C. Croft +4
The gravitational potential well of an galaxy will lead to a gravitational redshift differential of order 1 km/s between the galaxy core and its outskirts. Cu…
The Radial Acceleration Relation in Disk Galaxies in the MassiveBlack-II Simulation
Ananth Tenneti, Yao-Yuan Mao, Rupert A. C. Croft +4
A strong correlation has been measured between the observed centripetal accelerations in galaxies and the accelerations implied by the baryonic components of galaxies. This empiric…
The Sloan Digital Sky Survey Quasar Catalog: twelfth data release
Isabelle Pâris, Patrick Petitjean, Nicholas P. Ross +43
We present the Data Release 12 Quasar catalog (DR12Q) from the Baryon Oscillation Spectroscopic Survey (BOSS) of the SDSS-III. This catalog includes all SDSS-III/BOSS objects that…