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LSQ13fn: A type II-Plateau supernova with a possibly low metallicity progenitor that breaks the standardised candle relation
J. Polshaw, R. Kotak, L. Dessart +20
We present optical imaging and spectroscopy of supernova (SN) LSQ13fn, a type II supernova with several hitherto-unseen properties. Although it initially showed strong symmetric sp…
On type IIn/Ia-CSM supernovae as exemplified by SN 2012ca
C. Inserra, M. Fraser, S. J. Smartt +15
We present the complete set of ultra-violet, optical and near-infrared photometry and spectroscopy for SN 2012ca, covering the period from 6~days prior to maximum light, until 531…
LSQ14bdq: A Type Ic super-luminous supernova with a double-peaked light curve
M. Nicholl, S. J. Smartt, A. Jerkstrand +28
We present data for LSQ14bdq, a hydrogen-poor super-luminous supernova (SLSN) discovered by the La Silla QUEST survey and classified by the Public ESO Spectroscopic Survey of Trans…
On the diversity of super-luminous supernovae: ejected mass as the dominant factor
M. Nicholl, S. J. Smartt, A. Jerkstrand +37
We assemble a sample of 24 hydrogen-poor super-luminous supernovae (SLSNe). Parameterizing the light curve shape through rise and decline timescales shows that the two are highly c…