NGC 225
NGC 225 is an open cluster in the constellation Cassiopeia. It is located roughly 2,200 light-years from Earth. It is about 100 to 150 million years old.
The binary fraction, or the fraction of stars that are multiple stars, is 0.52.
At the 2022 Eldorado Star Party amateur astronomer Will Young, a member of the Astronomical Society of South East Texas, dubbed this open cluster to feature the “Halloween Cat” asterism. A subgroup of brighter stars in this cluster appear to delineate a cat with forward facing eyes, arched back, and raised tail.
See also
References
- ^ "NGC 225". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2006-05-29.
- ^ Yalyalieva, L.; Carraro, G.; Glushkova, E.; Munari, U.; Ochner, P. (2022). "The young Galactic cluster NGC 225: Binary stars' content and total mass estimate". Monthly Notices of the Royal Astronomical Society. arXiv:2204.12558. doi:10.1093/mnras/stac1199.
- ^ R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 978-0-933346-51-2.
External links
Media related to NGC 225 at Wikimedia Commons- NGC 225 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
