Berkeley 86

Berkeley 86
Observation data (J2000 epoch)
Right ascension20h 20m 12.0s[1]
Declination+38° 41′ 24″[1]
Distance1,720 pc
Apparent dimensions (V)5
Physical characteristics
Other designationsOCISM 35, OCl 167.0, MWSC 3316, C 2018+385, OCl 167, KPR2004b 485
Associations
ConstellationCygnus
See also: Open cluster, List of open clusters

Berkeley 86 is a young open cluster in Cygnus.[2] It is located inside the OB Stellar association Cyg OB 1, and obscured by a foreground dust cloud.[3]

Prominent stars[4]
Star name Effective temperature Absolute magnitude Bolometric magnitude Mass (M☉) Spectral type
WR 139 (V444 Cyg) 60000 -4.04 -8.3 9.3 WN5
HD 193576 B (Companion to WR 139) 42700 -5.5 -9.6 53 O6III
HD 228841 41000 -5.4 -9.3 45 O7V
HD 193595 38500 -4.9 -8.6 34 O8V
HD 228969 34700 -5 -8.4 30 O9.5V
HD 228943 31600 -5.3 -8.4 28 B0V

References

  1. ^ a b "Berkeley 86". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 December 2020.
  2. ^ Forbes, D. (1981). "The young open clusters Berkeley 62 and Berkeley 86". Publications of the Astronomical Society of the Pacific. 93: 441–446. Bibcode:1981PASP...93..441F. doi:10.1086/130853.
  3. ^ Vallenari, A.; Richichi, A.; Carraro, G.; Girardi, L. (1999). "Near-infrared photometry of the young open clusters NGC 1893 and Berkeley 86". Astronomy and Astrophysics. 349: 825–833. arXiv:astro-ph/9909065. Bibcode:1999A&A...349..825V.
  4. ^ Massey, P.; Degioia-Eastwood, K.; Waterhouse, E. (2001). "The Progenitor Masses of Wolf-Rayet Stars and Luminous Blue Variables Determined from Cluster Turnoffs. II. Results from 12 Galactic Clusters and OB Associations". The Astronomical Journal. 121 (2): 1050–1070. arXiv:astro-ph/0010654. Bibcode:2001AJ....121.1050M. doi:10.1086/318769. S2CID 53345173.


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