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Bow-shocks, nova shells, disc winds and tilted discs: The Nova-Like V341 Ara Has It All
N. Castro Segura, C. Knigge, J. A. Acosta-Pulido +21
V341 Ara was recently recognised as one of the closest (d ~ 150 pc) and brightest (V~ 10) nova-like cataclysmic variables. This unique system is surrounded by a bright emission neb…
Early observations of the nearby type Ia supernova SN 2015F
R. Cartier, M. Sullivan, R. Firth +25
We present photometry and time-series spectroscopy of the nearby type Ia supernova (SN Ia) SN 2015F over days to days relative to maximum light, obtained as part of the…
450 Days of Type II SN 2013ej in Optical and Near-Infrared
Fang Yuan, A. Jerkstrand, S. Valenti +31
We present optical and near-infrared photometric and spectroscopic observations of SN 2013ej, in galaxy M74, from 1 to 450 days after the explosion. SN 2013ej is a hydrogen-rich su…
SN 2009ip at late times - an interacting transient at +2 years
Morgan Fraser, Rubina Kotak, Andrea Pastorello +31
We present photometric and spectroscopic observations of the interacting transient SN 2009ip taken during the 2013 and 2014 observing seasons. We characterise the photometric evolu…
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…
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…
High luminosity, slow ejecta and persistent carbon lines: SN 2009dc challenges thermonuclear explosion scenarios
S. Taubenberger, S. Benetti, M. Childress +22
SN 2009dc shares similarities with normal Type Ia supernovae, but is clearly overluminous, with a (pseudo-bolometric) peak luminosity of log(L) = 43.47 [erg/s]. Its light curves de…