NGC 999

NGC 999
DSS image of NGC 999
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	02h 38m 47.46177s [1]
Declination	+41° 40′ 13.6652″ [1]
Redshift	0.015097 [2]
Heliocentric radial velocity	4492 km/s [2]
Distance	195.0  Mly (59.80  Mpc) [3]
Apparent magnitude  (B)	14.5 [2]
Characteristics
Type	(R')SAB(s)a [4]
Other designations
UGC 2127, MCG +07-06-047, PGC 10026, CGCG 539-066 [2]

NGC 999 is an intermediate spiral galaxy located in the constellation Andromeda about 195 million light-years from the Milky Way. ^[3] It was discovered by French astronomer Edouard Stephan on 8 December 1871. ^[5]

See also

• List of NGC objects (1–1000)
• NGC 1001
• NGC 996

References

1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics . 616. A1. arXiv: 1804.09365 . Bibcode: 2018A&A...616A...1G . doi: 10.1051/0004-6361/201833051 .
2. "NGC 999". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2020-06-03.
3. Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv: astro-ph/0610732 . Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID   11672751.
4. "Results for object NGC 0999 (NGC 999)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-06-03.
5. "Revised NGC Data for NGC 999". spider.seds.org. Retrieved 2020-02-10.