 | The topic of this article may not meet Misplaced Pages's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: "W Coronae Borealis" – news · newspapers · books · scholar · JSTOR (January 2021) (Learn how and when to remove this message) |
 The visual band light curve of W Coronae Borealis, from AAVSO data | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 16 15 24.549 |
| Declination | +37° 47′ 44.21″ |
| Apparent magnitude (V) | 7.8 - 14.3 |
| Characteristics | |
| Evolutionary stage | asymptotic giant branch |
| Spectral type | M2e-M5e |
| Variable type | mira |
| Astrometry | |
| Proper motion (μ) | RA: −9.527 mas/yr Dec.: -6.275 mas/yr |
| Parallax (π) | 0.4201 ± 0.0447 mas |
| Distance | approx. 7,800 ly (approx. 2,400 pc) |
| Other designations | |
| HD 146560 | |
| Database references | |
| SIMBAD | data |
W Coronae Borealis (W CrB) is a Mira-type long period variable star in the constellation Corona Borealis. Its apparent magnitude varies between 7.8 and 14.3 over a period of 238 days.
References
- "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
- ^ 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.
- ^ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1: B/gcvs. Bibcode:2009yCat....102025S.
- "W Coronae Borealis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 9 March 2015.
- VSX (4 January 2010). "W Coronae Borealis". AAVSO Website. American Association of Variable Star Observers. Retrieved 9 March 2015.
| Constellation of Corona Borealis | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stars |
| ||||||||||
| Exoplanets |
| ||||||||||
| Galaxies |
| ||||||||||
| Galaxy clusters |
| ||||||||||
 | This variable star–related article is a stub. You can help Misplaced Pages by expanding it. |