Before revision: Mass() |- |style="text-align: left;"| IK Pegasi | 46 | 1.65/1.15 |- |style="text-align: left;"| Spica | 80 | 10.25/7.0 |- |style="text-align: left;"| Alpha Lupi | 141 | 10.1 |- |style="text-align: left;"| Antares | 169 | 12.4/10 |- |style="text-align: left;"| Betelgeuse | 197 | 7.7–20 |- |style="text-align: left;"| Rigel | 264 | 18 |} Speculation as to the effects of a nearby supernova on Earth often focuses on large stars as Type II supernova candidates.
After revision: Mass() |- |style="text-align: left;"| IK Pegasi | 46 | 1.65/1.15 |- |style="text-align: left;"| Spica | 80 | 10.25/7.0 |- |style="text-align: left;"| Alpha Lupi | 141 | 10.1 |- |style="text-align: left;"| Betelgeuse | 125-168.1 | 14–19 |- |style="text-align: left;"| Antares | 169 | 12.4/10 |- |style="text-align: left;"| Rigel | 264 | 18 |} Speculation as to the effects of a nearby supernova on Earth often focuses on large stars as Type II supernova candidates.