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Name
  NSV 13857  
AAVSO UID
000-BCX-941 (2278 observations)  
Constellation
Cygnus Sequence
J2000.0
21 43 06.50 +41 09 18.0  (325.77708 +41.15500) Search nearby
B1950.0 21 41 05.77 +40 55 32.4
Proper motion
RA: -15.30 +/- 0.24 mas/yDec: -12.24 +/- 0.27 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 88.997 -8.988
Other names

(Internal only)
AAVSO 2139+40 ASASSN-V J214306.38+410917.0 BD+40 4623
HD 206749 HIP 107235 HR 8306
IRC +40490 RAFGL 2796 SAO 51221
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Variability type
LB
Spectral type M2
Mag. range
6.3 - 7.08 B
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
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1 R.Weber, JO 42, No.7, 106, 1959. 1959JO.....42..106W
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 = 2.52H = 1.70K = 1.50J - K = 1.02
AllWISE W3 = 1.23W4 = 1.13W3 - W4 = 0.10
APASS-DR9
Images
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Supporting Documents
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Revision History
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1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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