04dj Apr 2026

The star that exploded was identified as a Red Supergiant located in the compact star cluster Sandage 96 . It had an estimated initial mass of 12 to 15 times the mass of our Sun.

SN 2004dj is one of the most studied and visually significant supernovae in recent astronomical history. It occurred in the galaxy , located approximately 11 million light-years away in the constellation Camelopardalis. The star that exploded was identified as a

Used in forms like the CKD (Chronic Kidney Disease) Pilot Study to categorize causes of death or secondary medical conditions. It occurred in the galaxy , located approximately

Because Type II-P supernovae have a predictable "plateau" phase in their light curves, 04dj helped astronomers refine methods for measuring distances to nearby galaxies. Type II-P (Plateau)

Type II-P (Plateau) . This signifies it was a core-collapse supernova from a massive star that retained a thick hydrogen envelope.

July 31, 2004, by Japanese astronomer Koichi Itagaki.