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Latest Details
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Name
  ups Cyg  
AAVSO UID
000-BCV-802 (41 observations)  
Constellation
Cygnus Sequence
J2000.0
21 17 55.08 +34 53 48.8  (319.47950 +34.89689) Search nearby
B1950.0 21 15 51.64 +34 41 09.5
Proper motion
RA: 10.03 +/- 0.33 mas/yDec: 6.49 +/- 0.38 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 80.977 -10.053
Other names

(Internal only)
66 Cyg AAVSO 2113+34 ADS 14831 A
BD+34 4371 HD 202904 HIP 105138
HR 8146 Hen 3-1926 MWC 364
SAO 71173    
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Variability type
GCAS
Spectral type B2Vne
Mag. range
4.14 - 4.50 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 10.2m, 15.2", 220deg; C 10.2m, 21.5", 180deg).
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References
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1 The Hipparcos Catalogue 1997A&A...323L..49P
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 4.70H = 4.54K = 4.48J - K = 0.22
AllWISE W1 = 3.72W2 = 3.14W3 = 2.67W4 = 1.94W1 - W2 = 0.58W3 - W4 = 0.74
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2007-03-09 14:05 UTC New range from outburst detected by Hipaprcos.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.