Astronomy:NGC 308
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Short description: Star in the constellation Cetus
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Cetus[1] |
| Right ascension | 00h 56m 34.33s[2] |
| Declination | −01° 47′ 03.6″[2] |
| Apparent magnitude (V) | 15.7[3] |
| Astrometry | |
| Proper motion (μ) | RA: −5.284[2] mas/yr Dec.: −15.102[2] mas/yr |
| Parallax (π) | 0.4388 ± 0.0530[2] mas |
| Distance | approx. 7,400 ly (approx. 2,300 pc) |
| Details | |
| Radius | 1.56[2] R☉ |
| Luminosity | 2.472[2] L☉ |
| Temperature | 5,789[2] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
NGC 308 is a star located in the constellation Cetus. It is only 55" away from NGC 307. It was recorded on December 31, 1866, by Robert Ball.[5]
References
- ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R Constellation record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ Zacharias, N.; Finch, C. T.; Girard, T. M.; Henden, A.; Bartlett, J. L.; Monet, D. G.; Zacharias, M. I. (2012). "VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)". Vizier Online Data Catalog. Bibcode: 2012yCat.1322....0Z.
- ↑ "NASA/IPAC Extragalactic Database". Results for NGC 0308. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+308&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "New General Catalog Objects: NGC 300 - 349". Cseligman. http://cseligman.com/text/atlas/ngc3.htm#308.
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