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Spitzer observations of SN 2014J and properties of mid-IR emission in Type Ia supernovae
J. Johansson, A. Goobar, M. M. Kasliwal +13
SN 2014J in M82 is the closest Type Ia supernova (SN Ia) in decades. The proximity allows for detailed studies of supernova physics and provides insights into the circumstellar and…
PESSTO : survey description and products from the first data release by the Public ESO Spectroscopic Survey of Transient Objects
S. J. Smartt, S. Valenti, M. Fraser +99
The Public European Southern Observatory Spectroscopic Survey of Transient Objects (PESSTO) began as a public spectroscopic survey in April 2012. We describe the data reduction str…
Supersolar Ni/Fe production in the Type IIP SN 2012ec
Anders Jerkstrand, Stephen J. Smartt, Jesper Sollerman +14
SN 2012ec is a Type IIP supernova (SN) with a progenitor detection and comprehensive photospheric-phase observational coverage. Here, we present Very Large Telescope and PESSTO obs…
SN 2012ec: mass of the progenitor from PESSTO follow-up of the photospheric phase
C. Barbarino, M. Dall'Ora, M. T. Botticella +32
We present the results of a photometric and spectroscopic monitoring campaign of SN 2012ec, which exploded in the spiral galaxy NGC 1084, during the photospheric phase. The photome…
OGLE-2013-SN-079: a lonely supernova consistent with a helium shell detonation
C. Inserra, S. A. Sim, L. Wyrzykowski +31
We present observational data for a peculiar supernova discovered by the OGLE-IV survey and followed by the Public ESO Spectroscopic Survey for Transient Objects. The inferred reds…
The host galaxy and late-time evolution of the Super-Luminous Supernova PTF12dam
T. -W. Chen, S. J. Smartt, A. Jerkstrand +14
Super-luminous supernovae of type Ic have a tendency to occur in faint host galaxies which are likely to have low mass and low metallicity. PTF12dam is one of the closest and best…