NGC 4414
| Apparent magnitude (V) | 11.0[1] |
|---|---|
| Characteristics | |
| Type | SA(rs)c[1] |
| Apparent size (V) | 3.6′ × 2.0′[1] |
| Other designations | |
| UGC 7539,[1] PGC 40692[1] | |
NGC 4414 is an
type I, mag. 13),[3] SN 2013df (type II, mag. 14),[4] SN 2021J (type Ia, mag. 12),[5] and SN 2023hlf (type II, mag. 17.8).[6]
It was imaged by the Hubble Space Telescope in 1995, as part of the HST's main mission to determine the distance to galaxies, and again in 1999 as part of the Hubble Heritage project. It has been part of an ongoing effort to study its Cepheid variable stars. The outer arms appear blue due to the continuing formation of young stars and include a possible luminous blue variable with an absolute magnitude of −10.[7]
NGC 4414 is also an isolated galaxy without signs of past
molecular, with the former extending far beyond its optical disk.[9]
NGC 4414 is a member of the Coma I Group, a group of galaxies lying physically close to the Virgo Cluster.[10][11]
References
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4414. Retrieved 25 November 2006.
- S2CID 17095983.
- ^ Transient Name Server entry for SN 1974G. Retrieved 5 January 2023.
- ^ Transient Name Server entry for SN 2013df. Retrieved 5 January 2023.
- ^ Transient Name Server entry for SN 2021J. Retrieved 5 January 2023.
- ^ Transient Name Server entry for SN 2023hlf. Retrieved 1 May 2023.
- Bibcode:1999AAS...194.8202F.
- Bibcode:1997A&A...318...19B.
- Bibcode:1993A&A...280..451B.
- ISSN 0004-637X.
- ^ "NGC 4414, a dusty spiral galaxy in Coma Berenices". Anne's Astronomy News (in Dutch). 12 November 2012. Retrieved 2 May 2018.
External links
Wikimedia Commons has media related to NGC 4414.
- Turner, Anne; Ferrarese, Laura; Saha, Abhijit; Bresolin, Fabio; Kennicutt, Jr, Robert C.; Stetson, Peter B.; Mould, Jeremy R.; Freedman, Wendy L.; Gibson, Brad K.; Graham, John A.; Ford, Holland; Han, Mingsheng; Harding, Paul; Hoessel, J. G.; Huchra, John P.; Hughes, Shaun M. G.; Illingworth, Garth D.; Kelson, Daniel D.; Macri, Lucas; Madore, Barry F.; Phelps, Randy; Rawson, Daya; Sakai, Shoko; Silbermann, N. A. (1998). "The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XI. The Cepheids in NGC 4414". S2CID 199661112.
- Hubble Heritage Project NGC 4414
- NASA Astronomy Picture of the Day: NGC 4414: A Flocculent Spiral Galaxy (3 April 2002)
- ESA/Hubble image of NGC 4414
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