NGC 539
legacy surveys image of NGC 539
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	01h 25m 21.73827s[1]
Declination	−18° 09′ 49.9592″[1]
Redshift	0.032528[1]
Heliocentric radial velocity	9593.1 km/s[1]
Distance	440 Mly (134.8 Mpc)[2]
Apparent magnitude (B)	14.32[1]
Characteristics
Type	SB(rs)c[1]
Size	~285,900 ly (87.67 kpc) (estimated)
Other designations
ESO 542- G 010, IRAS 01229-1825, 2MASX J01252171-1809499, MCG -03-04-063, PGC 5269[1]

NGC 539 is a barred spiral galaxy in the constellation of Cetus south. It is estimated to be 429 million light years from the Milky Way and has a diameter of approximately 286,000 ly.^[3][4][5] It was discovered on 31 October 1885 by American astronomer Francis Leavenworth.^[6]

1. ^ ^{a b c d e f g} "NGC 539". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-15.
2. ^ Meurer, Gerhardt R.; Hanish, D. J.; Ferguson, H. C.; Knezek, P. M.; Kilborn, V. A.; Putman, M. E.; Smith, R. C.; Koribalski, B.; Meyer, M.; Oey, M. S.; Ryan-Weber, E. V.; Zwaan, M. A.; Heckman, T. M.; Kennicutt, R. C.; Lee, J. C.; Webster, R. L.; Bland-Hawthorn, J.; Dopita, M. A.; Freeman, K. C.; Doyle, M. T.; Drinkwater, M. J.; Staveley-Smith, L.; Werk, J. (2006). "The Survey for Ionization in Neutral Gas Galaxies. I. Description and Initial Results". The Astrophysical Journal Supplement Series. 165 (1): 307. arXiv:astro-ph/0604444. Bibcode:2006ApJS..165..307M. doi:10.1086/504685. S2CID 9655238.
3. ^ "Revised NGC Data for NGC 539". spider.seds.org. Retrieved 2020-04-10.
4. ^ Ford, Dominic. "The galaxy NGC 539 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-04-10.
5. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-04-10.
6. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 539". Celestial Atlas. Retrieved 30 August 2024.

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