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PyWiFeS: A Rapid Data Reduction Pipeline for the Wide Field Spectrograph (WiFeS)
Michael J. Childress, Frédéric P. A. Vogt, Jon Nielsen +1
We present PyWiFeS, a new Python-based data reduction pipeline for the Wide Field Spectrograph (WiFeS). PyWiFeS consists of a series of core data processing routines built on stand…
Measuring cosmic bulk flows with Type Ia Supernovae from the Nearby Supernova Factory
U. Feindt, M. Kerschhaggl, M. Kowalski +33
Context. Our Local Group of galaxies appears to be moving relative to the cosmic microwave background with the source of the peculiar motion still uncertain. While in the past this…
A reconnaissance of the possible donor stars to the Kepler supernova
Wolfgang E. Kerzendorf, Michael Childress, Julia Scharwaechter +2
The identity of Type Ia supernova progenitors remains a mystery, with various lines of evidence pointing towards either accretion from a non-degenerate companion, or the rapid merg…
Evidence of Environmental Dependencies of Type Ia Supernovae from the Nearby Supernova Factory indicated by Local Hα
M. Rigault, Y. Copin, G. Aldering +33
(Abridged) We study the host galaxy regions in close proximity to Type Ia supernovae (SNe Ia) to analyze relations between the properties of SN Ia events and environments most simi…
High-Velocity Features in Type Ia Supernova Spectra
Michael J. Childress, Alexei V. Filippenko, Mohan Ganeshalingam +1
We use a sample of 58 low-redshift (z <= 0.03) Type Ia supernovae (SNe Ia) having well-sampled light curves and spectra near maximum light to examine the behaviour of high-velocity…
SN 2009ip á la PESSTO: No evidence for core-collapse yet
Morgan Fraser, Cosimo Inserra, Anders Jerkstrand +35
We present observations of the interacting transient SN 2009ip, from the start of the outburst in October 2012 until the end of the 2012 observing season. The transient reached a p…