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NGC 1233

Coordinates: Sky map 03h 12m 33.1263s, +39° 19′ 07.993″
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NGC 1233
Spiral galaxy NGC 1233
Observation data (J2000 epoch)
ConstellationPerseus
Right ascension03h 12m 33.1263s[1]
Declination+39° 19′ 07.993″[1]
Redshift0.014640 [1]
Heliocentric radial velocity4389 ± 7 km/s[1]
Distance202.9 ± 14.2 Mly (62.22 ± 4.36 Mpc)[1]
Group or clusterNGC 1207 Group (LGG 83)
Apparent magnitude (V)13.2[1]
Characteristics
TypeSb[1]
Size~141,400 ly (43.35 kpc) (estimated)[1]
Apparent size (V)1.8′ × 0.6′[1]
Other designations
IRAS 03093+3907, 2MASX J03123310+3919081, NGC 1235, UGC 2586, MCG +06-08-003, PGC 11955, CGCG 524-065[1]

NGC 1233 (also listed as NGC 1235) is a spiral galaxy in the constellation of Perseus. Its velocity with respect to the cosmic microwave background is 4218 ± 14 km/s, which corresponds to a Hubble distance of 202.9 ± 14.2 Mly (62.22 ± 4.36 Mpc).[1] In addition, three non redshift measurements give a distance of 211.35 ± 2.14 Mly (64.800 ± 0.656 Mpc).[2] The galaxy was discovered by French astronomer Édouard Stephan on 10 December 1871.[3] It is also thought to have been observed by Lewis Swift on 21 October 1886, and later listed as NGC 1235.[4]

Supernovae

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Three supernovae have been observed in NGC 1233:

  • SN 2009lj (type Ic, mag. 19) was discovered by the Lick Observatory Supernova Search (LOSS) on 13 November 2009.[5][6]
  • SN 2017lf (type Ia, mag. 17.3) was discovered by the Tsinghua-NAOC Transient Survey (TNTS) on 22 January 2017.[7]
  • SN 2022bqi (type II, mag. 17) was discovered by Giancarlo Cortini on 7 February 2022.[8]

NGC 1207 Group

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NGC 1233 is a part of the 3 member NGC 1207 group (also known as LGG 83). The third galaxy in the group is UGC 2604.[9]

See also

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References

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  1. ^ a b c d e f g h i j k "Results for object NGC 1233". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 August 2024.
  2. ^ "Distance Results for NGC 1233". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 24 August 2024.
  3. ^ Seligman, Courtney. "NGC 1233". Celestial Atlas. Retrieved 24 August 2024.
  4. ^ Seligman, Courtney. "NGC 1235". Celestial Atlas. Retrieved 24 August 2024.
  5. ^ Choi, J.; Cenko, S. B.; Li, W.; Filippenko, A. V. (2009). "Supernova 2009lj in NGC 1233". Central Bureau Electronic Telegrams. 2027: 1. Bibcode:2009CBET.2027....1C.
  6. ^ "SN 2009lj". Transient Name Server. IAU. Retrieved 24 August 2024.
  7. ^ "SN 2000dj". Transient Name Server. IAU. Retrieved 24 August 2024.
  8. ^ "SN 2022bqi". Transient Name Server. IAU. Retrieved 24 August 2024.
  9. ^ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
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