SN 2013ej
Supernova in the constellation Pisces
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SN 2013ej is a Type II-P supernova in the nearby spiral galaxy Messier 74 (NGC 628).[1] It was discovered by the Lick Observatory Supernova Search on July 25, 2013, with the 0.76 m Katzman Automatic Imaging Telescope, with pre-discovery images having been taken the day before.[2]
| SN II-P | |
| Date | 25 July 2013 |
|---|---|
| Constellation | Pisces |
| Right ascension | 01h 36m 48.16s |
| Declination | +15° 45′ 31.0″ |
| Epoch | J2000.0 |
| Distance | 30±6 Mly |
| Host | Messier 74 (NGC 628) |
| Progenitor | ? |
| Progenitor type | Red supergiant |
| Colour (B-V) | Unknown |
| Notable features | N/A |
| Peak apparent magnitude | 12.1 |
Supernova 2013ej was noted for being as bright as 12th magnitude.[3]
SN 2013ej was compared to supernovas SN 2004et and SN 2007od.[4] Based on various observations it has been theorized that the supernova originated from a red supergiant star that went supernova.[4]
SN 2013ej is one of the brightest Type II supernova detected to-date in NGC 628.[5]
