WOH S279
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| Observation data Epoch J2000 Equinox | |
|---|---|
| Constellation | Dorado (LMC) |
| Right ascension | 05h 26m 01.1049s[1] |
| Declination | −66° 16′ 19.058″[1] |
| Apparent magnitude (V) | 12.515[2] |
| Characteristics | |
| Evolutionary stage | Red supergiant |
| Spectral type | M[3] |
| Apparent magnitude (B) | 14.205[2] |
| Apparent magnitude (G) | 11.8867[1] |
| Apparent magnitude (J) | 8.990[2] |
| Apparent magnitude (H) | 8.103[2] |
| Apparent magnitude (K) | 7.748[2] |
| Astrometry | |
| Radial velocity (Rv) | 304.84 ± 0.30[1] km/s |
| Proper motion (μ) | RA: 1.635[1] mas/yr Dec.: 0.369[1] mas/yr |
| Details | |
| Radius | 1,298[4][lower-alpha 1] R☉ |
| Luminosity | 228,000[4] L☉ |
| Surface gravity (log g) | +0.0[4] cgs |
| Temperature | 3,500[4] K |
| Other designations | |
WOH S279, 2MASS J05260108-6616191, MSX LMC 844, SP77 44-19, NGC 1948 WBT 2215 | |
| Database references | |
| SIMBAD | data |
WOH S279 is a red supergiant located in the constellation of Dorado.[3] It is currently among the largest known stars with a radius of about 1,300 solar radii. If placed at the center of the solar system, its photosphere would engulf the orbit of Jupiter.[4]
See also
Notes
- ↑ The radius is calculated with the Stefan-Boltzmann law, using the bolometric luminosity and effective temperature of WOH S279:
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
- ↑ 2.0 2.1 2.2 2.3 2.4 Zacharias, N. (2012). "The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". VizieR On-line Data Catalog. Bibcode:2012yCat.1322....0Z.
- ↑ 3.0 3.1 "Simbad (WOH 279)".
- ↑ 4.0 4.1 4.2 4.3 4.4 Groenewegen, Martin A. T.; Sloan, Greg C. (2018). "Luminosities and mass-loss rates of Local Group AGB stars and Red Supergiants". Astronomy & Astrophysics. 609: A114. arXiv:1711.07803. Bibcode:2018A&A...609A.114G. doi:10.1051/0004-6361/201731089. ISSN 0004-6361. Unknown parameter
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