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Properties of galaxies reproduced by a hydrodynamic simulation
Mark Vogelsberger, Shy Genel, Volker Springel +7
Previous simulations of the growth of cosmic structures have broadly reproduced the 'cosmic web' of galaxies that we see in the Universe, but failed to create a mixed population of…
The Host Galaxies of Type Ia Supernovae Discovered by the Palomar Transient Factory
Y. -C. Pan, M. Sullivan, K. Maguire +16
We present spectroscopic observations of the host galaxies of 82 low-redshift type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory (PTF). We determine star-forma…
PTF11kx: A Type-Ia Supernova with a Symbiotic Nova Progenitor
B. Dilday, D. A. Howell, S. B. Cenko +32
There is a consensus that Type-Ia supernovae (SNe Ia) arise from the thermonuclear explosion of white dwarf stars that accrete matter from a binary companion. However, direct obser…
Near-infrared observations of type Ia supernovae: The best known standard candle for cosmology
R. L. Barone-Nugent, C. Lidman, J. S. B. Wyithe +15
We present an analysis of the Hubble diagram for 12 Type Ia supernovae (SNe Ia) observed in the near-infrared J and H bands. We select SNe exclusively from the redshift range 0.03…
Evidence for a compact Wolf-Rayet progenitor for the Type Ic supernova PTF 10vgv
A. Corsi, E. O. Ofek, A. Gal-Yam +22
We present the discovery of PTF 10vgv, a Type Ic supernova detected by the Palomar Transient Factory, using the Palomar 48-inch telescope (P48). R-band observations of the PTF 10vg…
PTF 10bzf (SN 2010ah): a broad-line Ic supernova discovered by the Palomar Transient Factory
A. Corsi, E. O. Ofek, D. A. Frail +26
We present the discovery and follow-up observations of a broad-line type-Ic supernova (SN), PTF 10bzf (SN 2010ah), detected by the Palomar Transient Factory (PTF) on 2010 February…