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80 papers · 1 filter
Probing star formation across cosmic time with absorption line systems
Brice Ménard, Vivienne Wild, Daniel Nestor +2
We present an empirical connection between cold gas in galactic halos and star formation. Using a sample of more than 8,500 MgII absorbers from SDSS quasar spectra, we report the d…
Vacuum Electromagnetic Counterparts of Binary Black-Hole Mergers
Philipp Mösta, Carlos Palenzuela, Luciano Rezzolla +3
As one step towards a systematic modeling of the electromagnetic (EM) emission from an inspiralling black hole binary we consider a simple scenario in which the binary moves in a u…
New cosmological constraints on primordial black holes
B. J. Carr, Kazunori Kohri, Yuuiti Sendouda +1
We update the constraints on the fraction of the Universe going into primordial black holes in the mass range 10^9--10^17 g associated with the effects of their evaporations on big…
Application of XFaster power spectrum and likelihood estimator to Planck
G. Rocha, C. R. Contaldi, J. R. Bond +1
We develop the XFaster Cosmic Microwave Background (CMB) temperature and polarization anisotropy power spectrum and likelihood technique for the Planck CMB satellite mission. We gi…
Bipolar Harmonic encoding of CMB correlation patterns
Nidhi Joshi, Sanjay Jhingan, Tarun Souradeep +1
Deviations from statistical isotropy can be modeled in various ways, for instance, anisotropic cosmological models (Bianchi models), compact topologies and presence of primordial m…
The Rise and Fall of Passive Disk Galaxies: Morphological Evolution Along the Red Sequence Revealed by COSMOS
K. Bundy, C. Scarlata, C. M. Carollo +13
The increasing abundance of passive "red-sequence" galaxies since z=1-2 is mirrored by a coincident rise in the number of galaxies with spheroidal morphologies. In this paper, howe…