Chi Cygni

Chi Cygni is a Mira variable star located in the Cygnus constellation. It is 737 times larger than the Sun. Chi Cygni is a red giant star that is about to end its life.

References

↑ Menten, K. M.; Kemper, F.; Verhoelst, T.; Justtanont, K.; Koter, A. de; Decin, L.; Beck, E. De (1 November 2010). "Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles - II. CO line survey of evolved stars: derivation of mass-loss rate formulae". Astronomy & Astrophysics. 523: A18. arXiv:1008.1083. Bibcode:2010A&A...523A..18D. doi:10.1051/0004-6361/200913771. S2CID 16131273 – via www.aanda.org.

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[1] Menten, K. M.; Kemper, F.; Verhoelst, T.; Justtanont, K.; Koter, A. de; Decin, L.; Beck, E. De (1 November 2010). "Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles - II. CO line survey of evolved stars: derivation of mass-loss rate formulae". Astronomy & Astrophysics. 523: A18. arXiv:1008.1083. Bibcode:2010A&A...523A..18D. doi:10.1051/0004-6361/200913771. S2CID 16131273 – via www.aanda.org.