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NGC 105

From Wikipedia, the free encyclopedia
NGC 105
Hubble Space Telescope image of NGC 105 (center) and PGC 212515 (upper left)
Observation data (J2000 epoch)
ConstellationPisces
Right ascension00h 25m 16.791s[1]
Declination+12° 53′ 01.82″[1]
Redshift0.017646[2]
Heliocentric radial velocity5290 km/s[2]
Distance221.34 ± 34.29 Mly (67.864 ± 10.514 Mpc)[2]
Apparent magnitude (B)14.1[3]
Characteristics
TypeSab:[2]
Size83,700 ly (25,660 pc)[2][note 1]
Apparent size (V)1.1[2]
Other designations
IRAS 00226+1236, UGC 241, MCG +02-02-008, PGC 1583, CGCG 434-009[3]

NGC 105 is a spiral galaxy estimated to be about 240 million light-years away in the constellation of Pisces. It was discovered by Édouard Stephan in 1884 and its apparent magnitude is 14.1.[4]

Supernovae

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Two supernovae have been observed in NGC 105:

  • SN 1997cw (type Ia, mag. 16.5) was discovered by the BAO Supernova Survey on 10 July 1997.[5][6]
  • SN 2007A (type Ia, mag. 16) was discovered by Tim Puckett and Tom Orff, and independently discovered by the Lick Observatory Supernova Search (LOSS), on 2 January 2007.[7][8]

See also

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Notes

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  1. ^ POSS1 103a-O values used.

References

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  1. ^ a b Skrutskie, Michael F.; et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
  2. ^ a b c d e f "NED results for object NGC 0105". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 15 March 2017.
  3. ^ a b "NGC 105". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 15 March 2017.
  4. ^ "NGC Objects: NGC 100 - 149".
  5. ^ Qiao, Q. -Y.; Qiu, Y. -L.; Li, W. -D.; Zhou, W.; Hu, J. -Y.; Wei, J. -Y. (1997). "Supernova 1997cw in NGC 105". International Astronomical Union Circular (6699): 1. Bibcode:1997IAUC.6699....1Q.
  6. ^ "SN 1997cw". Transient Name Server. IAU. Retrieved 11 December 2024.
  7. ^ Puckett, T.; Orff, T.; Newton, J.; Madison, D.; Li, W. (2007). "Supernova 2007A in NGC 105 [designation correction to Cbet 794]". Central Bureau Electronic Telegrams. 795: 1. Bibcode:2007CBET..795....1P.
  8. ^ "SN 2007A". Transient Name Server. IAU. Retrieved 11 December 2024.
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  • Media related to NGC 105 at Wikimedia Commons