Vulpecula OB1

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Vulpecula OB1
The Little Fox and the Giant Stars.jpg
Vulpecula OB1
Observation data
Right ascension 19h 41.9m[1]
Declination+24° 06′[1]
Mean distance7.5 kly (2.3 kpc)[2]
Radial velocity3.1[3] km/s
Physical characteristics
Other designationsVul OB1[4]
See also: Stellar association, Moving groups

Vulpecula OB1 is an OB association in which a batch of massive stars are being born. It was first identified by W. W. Morgan et al. (1953).[5] The association is located in the Orion Arm about 7,500[2] Light-years away from the Sun. Nebulae that are contained in this association include NGC 6820 and NGC 6823,[5] plus Sharpless 2-88.[2]


  1. ^ a b Radoslavova, Tsvetanka (1989). "Surface distribution of the luminous and early-type emission stars in the OB Vulpeculia associations". Astronomische Nachrichten. 310 (3): 223–226. Bibcode:1989AN....310..223R. doi:10.1002/asna.2113100313.
  2. ^ a b c Billot, N.; et al. (April 2010). "Young Stellar Objects and Triggered Star Formation in The Vulpecula OB Association". The Astrophysical Journal. 712 (2): 797–812. arXiv:1003.0866. Bibcode:2010ApJ...712..797B. doi:10.1088/0004-637X/712/2/797.
  3. ^ Mel'Nik, A. M.; Dambis, A. K. (2009). "Kinematics of OB-associations and the new reduction of the Hipparcos data". Monthly Notices of the Royal Astronomical Society. 400 (1): 518. arXiv:0909.0618. Bibcode:2009MNRAS.400..518M. doi:10.1111/j.1365-2966.2009.15484.x.
  4. ^ "Vul OB1". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-14.
  5. ^ a b Thé, P. S.; van Paradijs, J. A. (July 1971). "UBV photoelectric photometry of early type stars in the direction of the associations Vul OB 1 and Vul OB 4". Astronomy and Astrophysics. 13: 274. Bibcode:1971A&A....13..274T.