Astronomy:NGC 2550A
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| NGC 2550A | |
|---|---|
 NGC 2550A imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Camelopardalis |
| Right ascension | 08h 28m 39.9646s[1] |
| Declination | +73° 44′ 53.423″[1] |
| Redshift | 0.012125[1] |
| Helio radial velocity | 3635 ± 10 km/s[1] |
| Distance | 176.5 ± 12.4 Mly (54.12 ± 3.79 Mpc)[1] |
| Group or cluster | NGC 2523 Group |
| Apparent magnitude (V) | 12.7[1] |
| Characteristics | |
| Type | Sc[1] |
| Size | ~112,400 ly (34.47 kpc) (estimated)[1] |
| Apparent size (V) | 1.6′ × 1.4′[1] |
| Other designations | |
| IRAS 08230+7354, UGC 4397, MCG+12-08-043, PGC 23781[1] | |
NGC 2550A is a spiral galaxy in the constellation of Camelopardalis. Its velocity with respect to the cosmic microwave background is 3670 ± 10 km/s, which corresponds to a Hubble distance of 176.5 ± 12.4 Mly (54.12 ± 3.79 Mpc).[1] The discovery of this galaxy is credited to Philip C. Keenan, in his paper Studies of Extra-Galactic Nebulae. Part I: Determination of Magnitudes, published in The Astrophysical Journal in 1935.[2]
According to A.M. Garcia, NGC 2550A is a member of the NGC 2523 galaxy group (also known as LGG 154).[3] This group contains five galaxies, including NGC 2441, NGC 2523, UGC 4041 (d), and UGC 4199.
Supernovae
Two supernovae have been observed in NGC 2550A:
- SN 2008P (Type II, mag. 17.5) was discovered by Alessandro Dimai on 23 January 2008.[4][5]
- SN 2024ws (Type II, mag. 17.8) was discovered by Kōichi Itagaki on 12 January 2024.[6]
See also
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Results for object NGC 2550A". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+2550A.
- ↑ Keenan, Philip C. (1935). "Studies of Extra-Galactic Nebulae. Part I: Determination of Magnitudes". The Astrophysical Journal 82: 62. doi:10.1086/143656. Bibcode: 1935ApJ....82...62K.
- ↑ 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.
- ↑ Green, D. W. E. (2008). "Supernova 2008P in NGC 2550A". Central Bureau Electronic Telegrams (1223): 1. Bibcode: 2008CBET.1223....1G. http://www.cbat.eps.harvard.edu/cbet/001200/CBET001223.txt.
- ↑ "SN 2008P". IAU. https://www.wis-tns.org/object/2008P.
- ↑ "SN 2024ws". IAU. https://www.wis-tns.org/object/2024ws.
External links
- NGC 2550A on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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