NGC 105
| NGC 105 | |
|---|---|
 Hubble Space Telescope image of NGC 105 (center) and PGC 212515 (upper left) | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 00h 25m 16.791s[1] |
| Declination | +12° 53′ 01.82″[1] |
| Redshift | 0.017646[2] |
| Heliocentric radial velocity | 5290 km/s[2] |
| Distance | 221.34 ± 34.29 Mly (67.864 ± 10.514 Mpc)[2] |
| Apparent magnitude (B) | 14.1[3] |
| Characteristics | |
| Type | Sab:[2] |
| Size | 83,700 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
[edit]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
[edit]Notes
[edit]- ^ POSS1 103a-O values used.
References
[edit]- ^ 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.
- ^ 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.
- ^ a b "NGC 105". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 15 March 2017.
- ^ "NGC Objects: NGC 100 - 149".
- ^ 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.
- ^ "SN 1997cw". Transient Name Server. IAU. Retrieved 11 December 2024.
- ^ 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.
- ^ "SN 2007A". Transient Name Server. IAU. Retrieved 11 December 2024.
External links
[edit]
Media related to NGC 105 at Wikimedia Commons
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