B90 (star)
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Dorado (LMC) |
| Right ascension | 05h 24m 19.3095s[1] |
| Declination | −69° 38′ 49.374″[1] |
| Apparent magnitude (V) | 14.271[1] |
| Characteristics | |
| Evolutionary stage | Red supergiant |
| Spectral type | M3 I[2] |
| Apparent magnitude (K) | 6.809[1] |
| Apparent magnitude (R) | 11[1] |
| Apparent magnitude (G) | 12.135779[1] |
| Apparent magnitude (I) | 10.804[1] |
| Apparent magnitude (J) | 8.36[1] |
| Apparent magnitude (H) | 7.375[1] |
| Astrometry | |
| Radial velocity (Rv) | 266.27±1.68[1] km/s |
| Parallax (π) | 0.0457 ± 0.027 mas[3] |
| Distance | 45,590[4] pc |
| Details | |
| Radius | 1,390+130 −110[2] R☉ |
| Luminosity | 281,838±1.17[2] L☉ |
| Surface gravity (log g) | +0.5±0.1[2] cgs |
| Temperature | 3,570+59 −46[2] K |
| Other designations | |
WOH S264, LI-LMC 976, MSX LMC 461, RM 1-339, SP77 47-10[1] | |
| Database references | |
| SIMBAD | data |
WOH S 264 ([W60] B90) is a large, highly luminous[2] red supergiant star in the Large Magellanic Cloud.
Discovery
[W60] B90 was discovered in 1956 by Karl Gordon Henize in a catalogue of H-alpha emission stars and nebulae in the Large Magellanic Cloud.[5]
Properties
Luminosity and radius
[W60] B90 is believed to be one of the largest, most luminous stars in the Large Magellanic Cloud with a luminosity of more than 280,000 solar luminosities and a radius of around 1,390 solar radii.[2] It needs further investigation to constrain the luminosity and radius with higher certainty.[2]
See also
References
- ^ a b c d e f g h i j k "[W60] B90". Université de Strasbourg.
- ^ a b c d e f g h de Wit, S.; Bonanos, A.Z.; Tramper, F.; Yang, M.; Maravelias, G.; Boutsia, K.; Britavskiy, N.; Zapartas, E. (2022-09-26). "Properties of luminous red supergiant stars in the Magellanic Clouds". Astronomy and Astrophysics: 17. arXiv:2209.11239.
- ^ Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
- ^ Pietrzyński, G.; Graczyk, D.; Gallenne, A.; Gieren, W.; Thompson, I. B.; Pilecki, B.; Karczmarek, P.; Górski, M.; Suchomska, K.; Taormina, M.; Zgirski, B.; Wielgórski, P.; Kołaczkowski, Z.; Konorski, P.; Villanova, S.; Nardetto, N.; Kervella, P.; Bresolin, F.; Kudritzki, R. P.; Storm, J.; Smolec, R.; Narloch, W. (2019). "A distance to the Large Magellanic Cloud that is precise to one per cent". Nature. 567 (7747): 200–203. arXiv:1903.08096. Bibcode:2019Natur.567..200P. doi:10.1038/s41586-019-0999-4. PMID 30867610. S2CID 76660316.
- ^ Henize, Karl G. (1956-05-05). "Catalogues of Hα-emission Stars and Nebulae in the Magellanic Clouds". Astrophysical Journal. 2: 315. Bibcode:1956ApJS....2..315H. doi:10.1086/190025.
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