Sigma Orionis Cluster

The Sigma Orionis Cluster is a collection of stars in the Orion constellation . The discovery is due to Garrison assigning 15 B-type stars to the cluster in 1967 . The cluster was further explored by Lyngå in 1981 and from 1994 the Sigma-Orionis cluster has been a regular research object. The cluster is named after the Sigma Orionis star system , which is also one of the members.

Web links

sigma Orionis Cluster on Simbad

Individual evidence

^ Caballero: The brightest stars of the σ Orionis cluster . In: Astronomy and Astrophysics . 466, No. 3, 2007, p. 917. arxiv : astro-ph / 0701067 . bibcode : 2007A & A ... 466..917C . doi : 10.1051 / 0004-6361: 20066652 .
↑ Hernández, Nuria Calvet, Alice Perez, Cesar Briceño, Lorenzo Olguin, Maria E. Contreras, Lee Hartmann, Lori Allen, Catherine Espaillat, Ramírez Hernan: A Spectroscopic Census in Young Stellar Regions: The σ Orionis Cluster . In: The Astrophysical Journal . 794, 2014, p. 36. arxiv : 1408.0225 . bibcode : 2014ApJ ... 794 ... 36H . doi : 10.1088 / 0004-637X / 794/1/36 .

[caballero2007-1] Caballero: The brightest stars of the σ Orionis cluster . In: Astronomy and Astrophysics . 466, No. 3, 2007, p. 917. arxiv : astro-ph / 0701067 . bibcode : 2007A & A ... 466..917C . doi : 10.1051 / 0004-6361: 20066652 .

[hernandez-2] Hernández, Nuria Calvet, Alice Perez, Cesar Briceño, Lorenzo Olguin, Maria E. Contreras, Lee Hartmann, Lori Allen, Catherine Espaillat, Ramírez Hernan: A Spectroscopic Census in Young Stellar Regions: The σ Orionis Cluster . In: The Astrophysical Journal . 794, 2014, p. 36. arxiv : 1408.0225 . bibcode : 2014ApJ ... 794 ... 36H . doi : 10.1088 / 0004-637X / 794/1/36 .