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5 papers · 2 filters
The Growth of Black Holes: Insights From Obscured Active Galaxies
Jenny E. Greene, Nadia L. Zakamska, Xin Liu +2
Obscured or narrow-line active galaxies offer an unobstructed view of the quasar environment in the presence of a luminous and vigorously accreting black hole. We exploit the large…
Simulations of Recoiling Massive Black Holes in the Via Lactea Halo
Javiera Guedes, Piero Madau, Micheal Kuhlen +2
The coalescence of a massive black hole (MBH) binary leads to the gravitational-wave recoil of the system and its ejection from the galaxy core. We have carried out N-body simulati…
The SAURON Project - XIV. No escape from V: a global and local parameter in early-type galaxy evolution
Nicholas Scott, Michele Cappellari, Roger L. Davies +13
We present the results of an investigation of the local escape velocity (Vesc) - line strength index relationship for 48 early type galaxies from the SAURON sample, the first such…
Probing the Galactic Potential with Next-Generation Observations of Disk Stars
T. Sumi, K. V. Johnston, S. Tremaine +2
Near-future surveys promise a dramatic improvement in the number and precision of astrometric, photometric and spectroscopic measurements of stars in the Milky Way's disk. We exami…
The Role of Dwarf Galaxies in Building Large Stellar Halos
Evan N. Kirby, Puragra Guhathakurta, James S. Bullock +10
The hierarchical theory of galaxy formation rests on the idea that smaller galactic structures merge to form the galaxies that we see today. The past decade has provided remarkable…