SN 1998S was a type IIn supernova that was observed in NGC 3877 in March 1998. At the time of discovery, SN 1998S was the brightest type IIn event observed... 5 KB (470 words) - 10:13, 19 March 2024 |
magnitude 3.7 star Chi Ursae Majoris in Ursa Major. The Type IIn supernova SN 1998S is the only supernova that has been observed within NGC 3877. NGC 3877... 4 KB (262 words) - 22:26, 18 May 2023 |
CSM interaction — as seen in some recent supernovae, including SN 1998S, SN 2009ip, and SN 1993J — could "explain the peculiar evolution of iPTF14hls."... 22 KB (2,132 words) - 01:22, 8 October 2023 |