Ghi chú NGC_6231

  1. ↑ Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). “Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal. 870 (1): 32. arXiv:1807.02115. Bibcode:2019ApJ...870...32K. doi:10.3847/1538-4357/aaef8c.
  2. ↑ Reipurth, B. (2008). “Young Stars in NGC 6231 and the Sco OB1 Association”. Trong Reipurth, B. (biên tập). Handbook of Star Forming Regions, Volume II: The Southern Sky ASP Monograph Publications. 5. tr. 401. Bibcode:2008hsf2.book..401R. ISBN 978-1-58381-670-7.
  3. ↑ Kuhn, M. A.; Medina, N.; Getman, K. V.; và đồng nghiệp (2017). “The Structure of the Young Star Cluster NGC 6231. I. Stellar Population”. The Astronomical Journal. 154 (3): 87. arXiv:1706.00017. Bibcode:2017AJ....154...87K. doi:10.3847/1538-3881/aa76e8.
  4. ↑ Sky Catalogue 2000.0
  5. ↑ Crossen & Tirion, Binocular Astronomy, p. 119.
  6. ↑ Shylaja, B. S (1988). “Study of the Wolf-Rayet members of the cluster NGC 6231”. Journal of Astrophysics and Astronomy. 9 (3): 161–172. Bibcode:1988JApA....9..161S. doi:10.1007/BF02715061.
  7. ↑ The distinction between OIafpe and WNLha stars. A spectral analysis of HD 151804, HD 152408 and HDE 313846.

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