NGC 4984

NGC 4984
legacy surveys image of NGC 4984
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	13^h 08^m 57.2^s[1]
Declination	−15° 30′ 59″[1]
Redshift	1279 ± 6 km/s[1]
Apparent magnitude (V)	12.3[1]
Characteristics
Type	(R)SAB(rs)0^+[1]
Apparent size (V)	2.8′ × 2.2′[1]
Other designations
PGC 45585[1]

NGC 4984 is an intermediate lenticular galaxy exhibiting a double ring structure in the constellation Virgo. It is a member of the NGC 4856 Group of galaxies,^[2][3] which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Virgo cluster.^[4][5]

Supernova

One supernova has been observed in NGC 4984: SN 2011iy (Type Ia, mag. 12.7) was discovered by Kōichi Itagaki on 9 December 2011.^[6][7]

References

1. "NASA/IPAC Extragalactic Database". Results for NGC 4984. Retrieved 2007-04-02.
2. Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. (May 1992). "Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members". Astronomy and Astrophysics Supplement Series. 93: 211–233. ISSN 0365-0138.
3. Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (November 2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". The Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. doi:10.1086/317070. ISSN 0004-637X.
4. Tully, R. Brent (1988). Nearby galaxies catalog (1. publ ed.). Cambridge: Cambridge University Press. ISBN 978-0-521-35299-4.
5. "The Virgo II Groups". www.atlasoftheuniverse.com. Retrieved 2025-05-18.
6. Noguchi, T.; Nakano, S.; Chen, J.; Wang, X.-F.; Wang, X.-L.; Zhang, J.-J.; Bai, J.-M.; Zhang, T.-M.; Yamanaka, M.; Ui, T.; Arai, A. (2011). "Supernova 2011iy in NGC 4984 = PSN J13085839-1531041". Central Bureau Electronic Telegrams (2943): 1. Bibcode:2011CBET.2943....1N.
7. "SN 2011iy". Transient Name Server. IAU. Retrieved 16 May 2026.

External links

• Media related to NGC 4984 at Wikimedia Commons
• NGC 4984 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images