Astronomy:NGC 108
From HandWiki
| NGC 108 | |
|---|---|
| File:250px NGC 108 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 25m 59.73s[1] |
| Declination | 29° 12′ 43.4″[1] |
| Redshift | 0.015801[1] |
| Helio radial velocity | 4737 km/s[1] |
| Distance | 220 Mly (67 Mpc)[2] |
| Group or cluster | NGC 108 group (LGG 5) |
| Apparent magnitude (V) | 12.1[2] |
| Characteristics | |
| Type | (R)SB0+(r)[1] |
| Apparent size (V) | 2.7′ × 1.9′[2] |
| Other designations | |
| UGC 246, MCG+05-02-012, PGC 1619[1] | |
NGC 108 is a barred lenticular galaxy that is located at approximately 220 million light-years away in the constellation of Andromeda. It was discovered by German-British astronomer William Herschel on September 11, 1784.[2][3]
NGC 108 Group
NGC 108 is the namesake of the NGC 108 group (also known as LGG 5), which includes at least 5 other galaxies: NGC 97, UGC 234, UGC 310, CGCG 500-015, and CGCG 500-019.[4]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "Results for object NGC 0108 (NGC 108)". NASA/IPAC Extragalactic Database. California Institute of Technology. https://ned.ipac.caltech.edu/byname?objname=NGC%20108&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1.
- ↑ 2.0 2.1 2.2 2.3 "New General Catalog Objects 100 - 149". Cseligman. http://cseligman.com/text/atlas/ngc1.htm#108.
- ↑ Herschel, W. (1786). "Catalogue of One Thousand New Nebulae and Clusters of Stars". Philosophical Transactions of the Royal Society of London 76: 457–499. doi:10.1098/rstl.1786.0027. Bibcode: 1786RSPT...76..457H. https://zenodo.org/record/1432282/files/article.pdf.
- ↑ 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.
External links
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