# Betelgeuse

> red supergiant star in the constellation of Orion

**Wikidata**: [Q12124](https://www.wikidata.org/wiki/Q12124)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Betelgeuse)  
**Source**: https://4ort.xyz/entity/betelgeuse


## References

1. [Source](https://www.nasa.gov/science-research/astrophysics/nasa-scientist-finds-predicted-companion-star-to-betelgeuse/)
2. SIMBAD
3. [Source](https://thenauticalalmanac.com/TNARegular/1981_Nautical_Almanac.pdf)
4. [Source](https://viaf.org/viaf/4378163464461105680002/#Betelgeuze_(hviezda))
5. The Perkins catalog of revised MK types for the cooler stars
6. The Probable Direct-imaging Detection of the Stellar Companion to Betelgeuse
7. Freebase Data Dumps. 2013
8. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
9. The HYG Database
10. UBVRIJKL photometry of the bright stars
11. Catalogue of Stellar Photometry in Johnson's 11-color system
12. [Source](https://ui.adsabs.harvard.edu/abs/1978A&AS...34....1N)
13. Colour evolution of Betelgeuse and Antares over two millennia, derived from historical records, as a new constraint on mass and age
14. Standing on the Shoulders of Giants: New Mass and Distance Estimates for Betelgeuse through Combined Evolutionary, Asteroseismic, and Hydrodynamic Simulations with MESA
15. Validation of the new Hipparcos reduction
16. Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data
17. Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library
18. [Source](https://www.treccani.it/enciclopedia/betelgeuse/)
19. [Source](https://encyklopedia.pwn.pl/haslo/Betelgeuse;3876658.html)
20. KBpedia