V838 Monocerotis
V838 Monocerotis is a binary star system in the constellation Monoceros. It is well-known due to a sudden powerful outburst in 2002. Since then, astronomers have been able to track the expanding material away from the star to learn more about it.
Facts About V838 Monocerotis:
Classification: Star, red variable
Names: V838 Monocerotis, V838 Mon, Nova Monocerotis 2002, GSC 04822-00039
Constellation: MonocerosDistance: 5.77e+16 km (6100 ly)
Magnitude: 15.6000 (app)
Surface Temperature: 3270 K