NGC 839

NGC 839
NGC 839
	HST image of NGC 839
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	02h 09m 42.929s
Declination	−10° 11′ 02.71″
Redshift	0.012916
Heliocentric radial velocity	3847 km/s
Distance	174.3 ± 12.2 Mly (53.44 ± 3.75 Mpc)
Apparent magnitude (V)	11.42
Apparent magnitude (B)	13.98
Characteristics
Type	S0: pec
Other designations
	MCG -02-06-034, PGC 8254

Last updated January 19, 2024

NGC 839 is a lenticular galaxy located in the constellation Cetus. It was discovered November 28, 1785 in a sky survey by Wilhelm Herschel.^[3] It is one of the galaxies that are part of the quadruplet family HGC 16, along with the unbarred lenticular galaxy NGC 838.^[2]

NGC 839 is a luminous infrared galaxy (LIRG) that shows signs of high amounts of star formation; therefore, it is also classified as a starburst galaxy.^[4] It is similar in appearance to Messier 82, suggesting a similar formation history.^[4]

Related Research Articles

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NGC 4323 is a lenticular or dwarf elliptical galaxy located about 52.5 million light-years away in the constellation Coma Berenices. The galaxy was discovered in 1882 by astronomer Wilhelm Tempel and is a member of the Virgo Cluster.

NGC 7600 is a galaxy about 160 million light-years from Earth, located in the constellation Aquarius. It is classified as a lenticular galaxy, or, more formally, an S0 galaxy.

NGC 69 is a barred lenticular galaxy located in the constellation Andromeda. It is a member of the NGC 68 group. It was discovered in 1855 by R. J. Mitchell, who described it as "extremely faint, very small, round."

NGC 7013 is a relatively nearby spiral or lenticular galaxy estimated to be around 37 to 41.4 million light-years away from Earth in the constellation of Cygnus. 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.

NGC 7020 is a barred lenticular galaxy located about 140 million light-years away in the constellation Pavo. NGC 7020 was discovered by astronomer John Herschel on August 31, 1836.

NGC 4477 is a barred lenticular galaxy located about 55 million light-years away in the constellation of Coma Berenices. NGC 4477 is classified as a type 2 Seyfert galaxy. The galaxy was discovered by astronomer William Herschel on April 8, 1784. NGC 4477 is a member of Markarian's Chain which forms part of the larger Virgo Cluster.

NGC 4461 is a lenticular galaxy located about 50 million light-years away in the constellation of Virgo. It was discovered by astronomer William Herschel on April 12, 1784. NGC 4461 is a member of Markarian's Chain which is part of the Virgo Cluster.

NGC 4340 is a double-barred lenticular galaxy located about 55 million light-years away in the constellation of Coma Berenices. NGC 4340 was discovered by astronomer William Herschel on March 21, 1784. NGC 4340 is a member of the Virgo Cluster. NGC 4340 is generally thought to be in a pair with the galaxy NGC 4350.

NGC 4608 is a barred lenticular galaxy located in the constellation of Virgo. The galaxy was discovered by astronomer William Herschel on March 15, 1784. At about 56 million light-years away, it is a member of the Virgo Cluster.

NGC 471 is a lenticular galaxy located about 168 million light-years away from Earth in the constellation Pisces. It was discovered by the German astronomer Albert Marth on November 3, 1864.

NGC 4623 is an edge-on lenticular or elliptical galaxy located about 54 million light-years away in the constellation of Virgo. NGC 4623 is classified as an E7, a rare type of "late" elliptical that represents the first stage of transition into a lenticular galaxy. NGC 4623 was discovered by astronomer William Herschel on April 13, 1784. NGC 4623 is a member of the Virgo Cluster.

NGC 4873 is a lenticular galaxy located about 270 million light-years away in the constellation of Coma Berenices. NGC 4873 was discovered by astronomer Heinrich d'Arrest on May 10, 1863. The galaxy is a member of the Coma Cluster.

NGC 4429 is a lenticular galaxy located about 55 million light-years away in the constellation of Virgo. NGC 4429 is tilted at an inclination of about 75° which means that the galaxy is tilted almost edge-on as seen from Earth. NGC 4429 was discovered by astronomer William Herschel on March 15, 1784. The galaxy is a member of the Virgo Cluster.

NGC 4436 is a lenticular or dwarf elliptical galaxy located about 60 million light-years away in the constellation of Virgo. NGC 4436 was discovered by astronomer William Herschel on April 17, 1784. The galaxy is a member of the Virgo Cluster.

NGC 505 is a lenticular galaxy approximately 234 million light-years away from Earth in the constellation of Pisces. It was discovered by German astronomer Albert Marth on October 1, 1864.

NGC 708 is an elliptical galaxy located 240 million light-years away in the constellation Andromeda and was discovered by astronomer William Herschel on September 21, 1786. It is classified as a cD galaxy and is the brightest member of Abell 262. NGC 708 is a weak FR I radio galaxy and is also classified as a type 2 Seyfert galaxy.

NGC 3945 is a barred lenticular galaxy in the constellation Ursa Major. It was discovered on March 19, 1790, by the astronomer William Herschel.

NGC 5422 is a lenticular galaxy located in the constellation Ursa Major. It was discovered on April 14, 1789, by the astronomer William Herschel.

NGC 4324 is a lenticular galaxy located about 85 million light-years away in the constellation Virgo. It was discovered by astronomer Heinrich d'Arrest on March 4, 1862. NGC 4324 has a stellar mass of 5.62 × 10¹⁰M_☉, and a baryonic mass of 5.88 × 10¹⁰M_☉. The galaxy's total mass is around 5.25 × 10¹¹M_☉. NGC 4324 is notable for having a ring of star formation surrounding its nucleus. It was considered a member of the Virgo II Groups until 1999, when its distance was recalculated and it was placed in the Virgo W Group.

References

1 2 3 4 "Results for object NGC 0839 (NGC 839)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-09-08.
1 2 3 4 5 6 "NGC 839". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021-09-08.
↑ Seligman, Courtney. "New General Catalogue objects: NGC 800 - 849". cseligman.com. Retrieved 2021-09-08.
1 2 Rich, J. A.; Dopita, M. A.; Kewley, L. J.; Rupke, D. S. N. (2010). "NGC 839: Shocks in an M82-like Superwind". The Astrophysical Journal. 721 (1): 505–517. arXiv: 1007.3495 . Bibcode:2010ApJ...721..505R. doi:10.1088/0004-637X/721/1/505. S2CID 118875933.

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[NED-1] 1 2 3 4 "Results for object NGC 0839 (NGC 839)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-09-08.

[SIMBAD-2] 1 2 3 4 5 6 "NGC 839". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021-09-08.

[cseligman-3] Seligman, Courtney. "New General Catalogue objects: NGC 800 - 849". cseligman.com. Retrieved 2021-09-08.

[Rich-4] 1 2 Rich, J. A.; Dopita, M. A.; Kewley, L. J.; Rupke, D. S. N. (2010). "NGC 839: Shocks in an M82-like Superwind". The Astrophysical Journal. 721 (1): 505–517. arXiv: 1007.3495 . Bibcode:2010ApJ...721..505R. doi:10.1088/0004-637X/721/1/505. S2CID 118875933.

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