Double star system in the constellation of Pegasus
NGC 18
Observation data Epoch J2000 Equinox J2000
Constellation
Pegasus[1]
Right ascension
00h 09m 23s[1]
Declination
+27° 43′ 56″[1]
Apparent magnitude (V)
14[1]
Other designations
Pul-3 10207/10208[2][3]
Database references
SIMBAD
Pul-3 10207
Pul-3 10208
NGC 18 is a double star system located in the constellation of Pegasus.[1] It was first recorded by Herman Schultz on 15 October 1866. It was looked for but not found by Édouard Stephan on 2 October 1882. It was independently observed by Guillaume Bigourdan in November 1886.[1]
Both stars are 2528±20 light-years away, and based on this distance have a minimum separation of approximately 2,700 astronomical units, an unusually wide separation for a binary system.
^ abcdefSeligman, Courtney (March 2010). "NGC Objects: NGC 1 - 49". Celestial Atlas. Retrieved 27 October 2010.
^"Pul-3 10207". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 January 2018.
^"Pul-3 10208". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 January 2018.
NGC18 is a double star system located in the constellation of Pegasus. It was first recorded by Herman Schultz on 15 October 1866. It was looked for but...
galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000)...
as Caldwell 33), whose brightest area is NGC 6992, trailing off farther south into NGC 6995 (together with NGC 6992 also known as "Network Nebula") and...
of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects...
Numismatic Guaranty Company (NGC) is an international third-party coin grading and certification service based in Sarasota, Florida. It has certified...
NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky...
(2005). "NGC 7023". astrocruise.com. Archived from the original on 2008-05-18. Retrieved 2008-08-06. Nemiroff, R.; Bonnell, J., eds. (2004-11-04). "NGC 7023:...
NGC 4889 (also known as Caldwell 35) is an E4 supergiant elliptical galaxy. It was discovered in 1785 by the British astronomer Frederick William Herschel...
2004dj in NGC 2403 NGC 4236 from GALEX NGC 2366 from Hubble Space Telescope Galaxy NGC 2976 from Spitzer Space Telescope in infrared Galaxy NGC 2976 from...
NGC 1300 is a barred spiral galaxy located about 65 million light-years away in the constellation Eridanus. The galaxy is about 110,000 light-years across...
NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy located 2.08 million light-years from Earth, appearing in the constellation Cassiopeia...
supernovae have been observed in NGC 2959: SN 2021bbm (type II, mag. 17.4), and SN 2023vog (type II, mag. 18.5). List of NGC objects (2001–3000) "NASA/IPAC...
NGC 3132 (also known as the Eight-Burst Nebula, the Southern Ring Nebula, or Caldwell 74) is a bright and extensively studied planetary nebula in the...
NGC 6946, sometimes referred to as the Fireworks Galaxy, is a face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky...
same group are NGC 3726, NGC 3893, NGC 3896, NGC 3906, NGC 3928, NGC 3949, and NGC 4010. "NASA/IPAC Extragalactic Database". Results for NGC 3985. Retrieved...
NGC 300 (also known as Caldwell 70 or the Sculptor Pinwheel Galaxy) is a spiral galaxy in the constellation Sculptor. It is one of the closest galaxies...
NGC 3110, known as NGC 3122 and NGC 3518 is an active spiral galaxy in the Constellation Sextans. It contains extensive Hubble-type Sb star-forming regions...
NGC 3109 is a small barred Magellanic type spiral or irregular galaxy around 4.35 Mly away in the direction of the constellation of Hydra. NGC 3109 is...
confused with NGC 246, which is also nicknamed the "Skull Nebula." The complex has the following New General Catalogue (NGC) designations: NGC 2237 – Part...
NGC 6822 (also known as Barnard's Galaxy, IC 4895, or Caldwell 57) is a barred irregular galaxy approximately 1.6 million light-years away in the constellation...
NGC 4096 is a spiral galaxy in the constellation Ursa Major. The galaxy lies about 35 million light years away from Earth, which means, given its apparent...
Global Information