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Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: the big brother of SN 1998S
T. Kangas, S. Mattila, E. Kankare +30
We present photometric and spectroscopic observations of SN 2013fc, a bright type II supernova (SN) in a circumnuclear star-forming ring in the luminous infrared galaxy ESO 154-G01…
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…
SN 2011fu: A type IIb Supernova with a luminous double-peaked light curve
A. Morales-Garoffolo, N. Elias-Rosa, M. Bersten +17
We present optical and near infrared observations of the type IIb supernova (SN) 2011fu from a few days to d after explosion. The SN presents a double-peaked light curve…
A supernova distance to the anchor galaxy NGC 4258
J. Polshaw, R. Kotak, K. C. Chambers +8
The fortuitous occurrence of a type II-Plateau (IIP) supernova, SN 2014bc, in a galaxy for which distance estimates from a number of primary distance indicators are available provi…
On the triple peaks of SNHunt248 in NGC 5806
E. Kankare, R. Kotak, A. Pastorello +19
We present our findings on a supernova (SN) impostor, SNHunt248, based on optical and near-IR data spanning 15 yrs before discovery, to 1 yr post-discovery. The light c…
Total eclipse of the heart: The AM CVn Gaia14aae / ASSASN-14cn
H. C. Campbell, T. R. Marsh, M. Fraser +82
We report the discovery and characterisation of a deeply eclipsing AM CVn-system, Gaia14aae (= ASSASN-14cn). Gaia14aae was identified independently by the All-Sky Automated Survey…