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Paper: |
SN 2003gd: A Normal Type II-P Supernova? |
Volume: |
342, 1604-2004: Supernovae as Cosmological Lighthouses |
Page: |
341 |
Authors: |
Hendry, M.A.; Smartt, S.J. |
Abstract: |
We present photometric and spectroscopic data of SN 2003gd, the first type II supernova (SN) to have a directly confirmed red supergiant progenitor. We compare SN 2003gd with SN 1999em, a similar type II-P SN, estimating an explosion date of 18th March 2003. SN 2003gd was found to have a lower tail luminosity compared with other “normal” type II-P SNe bringing into question its nature. So, is this a “normal” type II-P SN or something a bit more peculiar? We discuss this and the implications for the progenitor. |
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