2013AJ....145...99A -
Astron. J., 145, 99 (2013/April-0)
Supernova 2003ie was likely a faint type IIP event.
ARCAVI I., GAL-YAM A. and SERGEEV S.G.
Abstract (from CDS):
We present new photometric observations of supernova (SN) 2003ie starting one month before discovery, obtained serendipitously while observing its host galaxy. With only a weak upper limit derived on the mass of its progenitor (<25 M☉) from previous pre-explosion studies, this event could be a potential exception to the "red supergiant (RSG) problem" (the lack of high-mass RSGs exploding as Type IIP SNe). However, this is true only if SN2003ie was a Type IIP event, something which has never been determined. Using recently derived core-collapse SN light-curve templates, as well as by comparison to other known SNe, we find that SN2003ie was indeed a likely Type IIP event. However, with a plateau magnitude of ∼ - 15.5 mag, it is found to be a member of the faint Type IIP class. Previous members of this class have been shown to arise from relatively low-mass progenitors (<12 M☉). It therefore seems unlikely that this SN had a massive RSG progenitor. The use of core-collapse SN light-curve templates is shown to be helpful in classifying SNe with sparse coverage. These templates are likely to become more robust as large homogeneous samples of core-collapse events are collected.
Abstract Copyright:
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Journal keyword(s):
supernovae: individual: SN2003ie
VizieR on-line data:
<Available at CDS (J/AJ/145/99): table1.dat>
Simbad objects:
6
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