NGC 5144
NGC 5144 | |
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![]() Pan-STARRS image of NGC 5144 | |
Observation data (J2000 epoch) | |
Constellation | Ursa Minor |
Right ascension | 13h 23m 07s |
Declination | 70° 27′ 43″ |
Redshift | 0.010477 |
Distance | 154 Mly (47.22 Mpc) |
Apparent magnitude (V) | 13.1 |
Apparent magnitude (B) | 13.4 |
Characteristics | |
Type | SAc pec [1] |
Size | 64,500 ly (estimated 19.78 kpc) |
Apparent size (V) | 1.2' x 0.8' |
Other designations | |
UGC 8420, PGC 46742, MRK 256, KUG 1321+707, MCG +12-13-005 |
NGC 5144 is an unbarred spiral galaxy located in the constellation of Ursa Minor. It has a velocity of 3,202 ± 9 km/s corresponding to a Hubble Distance of 47.2 ± 3.3 megaparsecs (154 million light-years).[2] It was discovered by William Herschel in May 1791.[3]
The luminosity class of NGC 5144 is classified as III with a broad HI line.[4] It is a possible field galaxy which isn't belonging to a group or any cluster, making it gravitationally isolated.[5]
NGC 5144 is also a starburst galaxy[6] and classified as a Markarian galaxy (designated as MRK 256), since its core emits out excessive amounts of ultraviolet light.[7][8]
References
- ^ NED, NGC 5144 (accessed 20-03-2012)
- ^ "NASA/IPAC Extragalactic Database Results for NGC 5144". ned.ipac.caltech.edu. Retrieved 2024-07-31.
- ^ "New General Catalog Objects: NGC 5100 - 5149". cseligman.com. Retrieved 2024-07-31.
- ^ Springob, Christopher M.; Haynes, Martha P.; Giovanelli, Riccardo; Kent, Brian R. (2005-09-01). "A Digital Archive of H I 21 Centimeter Line Spectra of Optically Targeted Galaxies". The Astrophysical Journal Supplement Series. 160: 149–162. doi:10.1086/431550. ISSN 0067-0049.
- ^ Turner, E. L.; Gott, J. R., III (1976-11-01). "Groups of galaxies. I. A catalog". The Astrophysical Journal Supplement Series. 32: 409–427. doi:10.1086/190403. ISSN 0067-0049.
{{cite journal}}
: CS1 maint: multiple names: authors list (link) - ^ Davoust, E.; Contini, T. (2004-03-01). "Starbursts in barred spiral galaxies. VI. HI observations and the K-band Tully-Fisher relation". Astronomy and Astrophysics. 416: 515–527. arXiv:astro-ph/9902174. doi:10.1051/0004-6361:20031726. ISSN 0004-6361.
- ^ Mazzarella, Joseph M.; Balzano, Vicki A. (1986-12-01). "A Catalog of Markarian Galaxies". The Astrophysical Journal Supplement Series. 62: 751. doi:10.1086/191155. ISSN 0067-0049.
- ^ Arakelian, M. A.; Dibay, E. A.; Yesipov, V. F.; Markarian, B. E. (1971-01-01). "The spectra of Markarian galaxies. III". Astrofizika. 7: 177–187.
External links
- NGC 5144 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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