NGC 4995 is a "moderately bright and large galaxy" in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The first constellati ...

Virgo Virgo may refer to: Arts and entertainment * Virgo (film), a 1970 Egyptian film * Virgo (character), several Marvel Comics characters * Virgo Asmita, a character in the manga ''Saint Seiya: The Lost Canvas'' * ''Virgo'' (album), by Virgo Four, ...

. It is a member of the NGC 4995 Group of galaxies, which is a member of the

Virgo II Groups The Virgo II Groups, also known as the Virgo II Cloud, Virgo Southern Extension, or the Virgo S Cloud, are a series of at least 100 galactic clusters and individual galaxies stretching approximately off the southern edge of the Virgo Supercluste ...

, a series of galaxies and

galaxy cluster A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity, with typical masses ranging from 1014 to 1015 solar masses. Clusters consist of galax ...

s strung out from the southern edge of the

Virgo Supercluster The Local Supercluster (LSC or LS), or Virgo Supercluster is a formerly defined supercluster containing the Virgo Cluster and Local Group, which itself contains the Milky Way and Andromeda galaxies, as well as others. At least 100 galaxy group ...

. One

supernova A supernova (: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last stellar evolution, evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion ...

has been observed in NGC 4995. SN 2023gfo ( Type II, mag 16.192) was discovered by

ATLAS An atlas is a collection of maps; it is typically a bundle of world map, maps of Earth or of a continent or region of Earth. Advances in astronomy have also resulted in atlases of the celestial sphere or of other planets. Atlases have traditio ...

on 20 April 2023.

Gallery

File:SN2023gfo-NGC4995-20230421-1017.png, Supernova 2023gfo in NGC 4995 as seen on 2023-04-21 10:17 UT. File:SN 2023gfo in NGC 4995.jpg, Supernova 2023gfo in NGC 4995 imaged UTC 2023-04-24T03:06

References

Intermediate spiral galaxies Virgo (constellation) 4995 UGCA objects -01-34-007 45643 {{spiral-galaxy-stub