NGC 5964
| NGC 5964 | |
|---|---|
 NGC 5964 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Serpens Caput |
| Right ascension | 15h 37m 36.3s[1] |
| Declination | +5° 58′ 24″[1] |
| Redshift | 1447 ± 1 km/s[1] |
| Apparent magnitude (V) | 12.6[1] |
| Characteristics | |
| Type | SB(rs)d[1] |
| Apparent size (V) | 4′.2 × 3′.2[1] |
| Other designations | |
| UGC 9935,[1] PGC 55637[1] | |
NGC 5964 is a barred spiral galaxy in the constellation Serpens Caput. NGC 5964 is also known by the names IC 4551 and PGC 55637.
NGC 5964 has relatively unwound spiral arms; it lacks the clear defined spiral arms the Milky Way galaxy has. The central bar is very small, long and thin. NGC 5964 thus does not have a galactic habitable zone like the Milky Way.[2][3][4] For the Milky Way, the galactic habitable zone is commonly believed to be an annulus with an outer radius of about 10 kiloparsecs and an inner radius close to the Galactic Center, both of which lack hard boundaries.[3]
References[]
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 5964. Retrieved 2007-04-06.
- ^ wikisky.org, NGC 6118
- ^ a b Gowanlock, M. G.; Patton, D. R.; McConnell, S. M. (2011). "A Model of Habitability Within the Milky Way Galaxy". Astrobiology. 11 (9): 855–873. arXiv:1107.1286. Bibcode:2011AsBio..11..855G. doi:10.1089/ast.2010.0555. PMID 22059554. S2CID 851972.
- ^ Choi, Charles Q. (21 August 2015). "Giant Galaxies May Be Better Cradles for Habitable Planets". Space.com. Retrieved 24 August 2015.
External links[]
Media related to NGC 5964 at Wikimedia Commons- NGC 5964 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
15h 37m 36.3s, +05° 58′ 24″
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Categories:
- Barred spiral galaxies
- Serpens (constellation)
- NGC objects
- Principal Galaxies Catalogue objects
- UGC objects
- Spiral galaxy stubs