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Latest Details
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Name
  V1339 Cyg  
AAVSO UID
000-BCP-188 (21105 observations)  
Constellation
Cygnus Sequence
J2000.0
21 42 08.36 +45 45 56.5  (325.53483 +45.76569) Search nearby
B1950.0 21 40 13.55 +45 32 13.5
Proper motion
RA: -0.21 +/- 0.34 mas/yDec: -19.86 +/- 0.33 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 91.924 -5.401
Other names

(Internal only)
AAVSO 2138+45 ASASSN-V J214208.43+454555.2 BD+45 3637
HD 206632 HIP 107140 HR 8298
IRC +50392 RAFGL 2794 SAO 51204
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Variability type
SRB
Spectral type M3-M6III
Mag. range
5.9 - 6.45 V
Discoverer --
Epoch
--
Outburst --
Period 35: d
Rise/eclipse dur. --
Remarks
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References
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1 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
2 M.J.Smith, IBVS N218, 1967. 1967IBVS..218....1S
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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 = 1.42H = 0.33K = 0.21J - K = 1.21
AllWISE W3 = -0.00W4 = -0.11W3 - W4 = 0.10
APASS-DR9
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-07-26 00:42 UTC Range from AAVSO V-data.
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.