Langbahn Team – Weltmeisterschaft

NGC 105

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

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

Notes

  1. ^ POSS1 103a-O values used.

References

  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.
  • Media related to NGC 105 at Wikimedia Commons
Quelle: https://en.wikipedia.org/wiki/NGC_105