NGC 4722
NGC 4722 and NGC 4723 are listed together as Holm 471 in Erik Holmberg's A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.
NGC 4699 group
According to A.M. Garcia, NGC 4722 is part of NGC 4699 Group (also known as LGG 307), which contains at least 15 galaxies, including NGC 4699, NGC 4700, NGC 4742, NGC 4781, NGC 4790, NGC 4802, and NGC 4818.
The NGC 4699 group is part of the Virgo II cluster, a cluster located at the southern boundary of the Virgo Cluster. This cluster is part of the Virgo Supercluster.
Supernova
One supernova has been observed in NGC 4722: SN 2024ablh (type II, mag. 17.17) was discovered by the Automatic Learning for the Rapid Classification of Events (ALeRCE) on 18 November 2024.
See also
References
- ^ "Results for object NGC 4722". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 November 2024.
- ^ "Distance Results for NGC 4722". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 23 November 2024.
- ^ Seligman, Courtney. "New General Catalogue Objects: NGC 4722". Celestial Atlas. Retrieved 23 November 2024.
- ^ Holmberg, Erik (1937). "A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems". Annals of the Observatory of Lund. 6: 1. Bibcode:1937AnLun...6....1H.
- ^ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
- ^ Powell, Richard. "The Virgo II Groups". Atlas of the Universe. Retrieved 23 November 2024.
- ^ "SN 2024ablh". Transient Name Server. IAU. Retrieved 23 November 2024.
External links
- Media related to NGC 4722 at Wikimedia Commons
- NGC 4722 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images