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Details for Revision 1
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Name
  BK Cyg  
AAVSO UID
000-BCV-617 (133 observations)  
Constellation
Cygnus Sequence
J2000.0
21 29 32.70 +47 21 35.0  (322.38625 +47.35972) Search nearby
B1950.0 21 27 43.32 +47 08 23.5
Galactic coord. 91.391 -2.766
Other names

(Internal only)
AAVSO 2125+46 AN 40.1919 IRC +50381
RAFGL 5619S    
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Variability type
M
Spectral type M9
Mag. range
11.5 - <17.0 p
Discoverer --
Epoch
21 Jun 1963 (HJD 2438202) Ephemeris
Outburst --
Period 511 d
Rise/eclipse dur. --
Remarks
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 G.Romano, Asiago Contr N193, 1967. --
3 N.K.Semakin, Perem. Zvezdy 10, N2, 100, 1955. 1954PZ.....10..100S
4 Hartwig, E.; Muller, G., 1921, Benennung von neu entdeckten veraenderlichen
Sternen
1921AN....212..353.
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Supporting Documents
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Stellar Association Membership
 NGC 7082 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2023-03-29 20:25 UTC Discoverer updated from 1921AN....212..353. page 373.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.