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The detection rate of early UV emission from supernovae: A dedicated GALEX/PTF survey and calibrated theoretical estimates
Noam Ganot, Avishay Gal-Yam, Eran O. Ofek +22
The radius and surface composition of an exploding massive star,as well as the explosion energy per unit mass, can be measured using early UV observations of core collapse supernov…
AGN evolution from a galaxy evolution viewpoint
Neven Caplar, Simon J. Lilly, Benny Trakhtenbrot
We explore the connections between the evolving galaxy and AGN populations. We present a simple phenomenological model that links the evolving galaxy mass function and the evolving…
Active galactic nuclei at z ~ 1.5: I. Spectral energy distribution and accretion discs
Daniel M. Capellupo, Hagai Netzer, Paulina Lira +2
The physics of active super massive black holes (BHs) is governed by their mass (M_BH), spin (a*) and accretion rate (). This work is the first in a series of papers with…
The Most Massive Active Black-Holes at z~1.5-3.5 Have High Spins and Radiative Efficiencies
Benny Trakhtenbrot
The radiative efficiencies () of 72 luminous unobscured Active Galactic Nuclei (AGNs) at , powered by some of the most massive black holes (BHs), are constrained.…
SDSS1133: An Unusually Persistent Transient in a Nearby Dwarf Galaxy
Michael Koss, Laura Blecha, Richard Mushotzky +12
While performing a survey to detect recoiling supermassive black holes, we have identified an unusual source having a projected offset of 800 pc from a nearby dwarf galaxy. The obj…