| NGC 7013 | |
|---|---|
 Hubble image of NGC 7013. | |
| Observation data (J2000 epoch) | |
| Constellation | Cygnus |
| Right ascension | 21h 03m 33.6s[1] |
| Declination | 29° 53′ 51″[1] |
| Redshift | 0.002598[1] |
| Heliocentric radial velocity | 779 km/s[1] |
| Distance | 37–41.4 Mly (11.3–12.7 Mpc) (estimated) |
| Apparent magnitude (V) | 12.40[1] |
| Characteristics | |
| Type | SA(r)0/a, LINER[1] |
| Size | ~57,800 ly (17.72 kpc) (estimated)[1] |
| Apparent size (V) | 4.0 × 1.4[1] |
| Other designations | |
| IRAS 21014+2941, UGC 11670, MCG 5-49-1, PGC 66003, CGCG 491-2[1] | |
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NGC 7013 is a relatively nearby spiral or lenticular galaxy[2][3] estimated to be around 37 to 41.4 million light-years away from Earth[4][5] in the constellation of Cygnus.[6] NGC 7013 was discovered by English astronomer William Herschel on July 17, 1784 and was also observed by his son, astronomer John Herschel on September 15, 1828.[7]
- ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 7013. Retrieved 2017-05-21.
- ^ Cite error: The named reference
:1was invoked but never defined (see the help page). - ^ Cite error: The named reference
:0was invoked but never defined (see the help page). - ^ Sanders, R. H.; Noordermeer, E. (2007). "Confrontation of Modified Newtonian Dynamics with the rotation curves of early-type disc galaxies". Monthly Notices of the Royal Astronomical Society. 379 (2): 702–710. arXiv:astro-ph/0703352. Bibcode:2007MNRAS.379..702S. doi:10.1111/j.1365-2966.2007.11981.x. S2CID 15527939.
- ^ B.A. Williams, F. J. Kerr (21 December 1977). "H I observations of elliptical galaxies". The Astrophysical Journal. 222: 15. Bibcode:1978ApJ...222..800K. doi:10.1086/156199.
- ^ Rojas, Sebastián García. "Galaxy NGC 7013 · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-05-18.
- ^ "New General Catalog Objects: NGC 7000 – 7049". cseligman.com. Retrieved 2017-04-15.