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Name
  UU Cyg  
AAVSO UID
000-BCV-607 (1042 observations)  
Constellation
Cygnus Sequence
J2000.0
21 39 28.12 +43 16 40.5  (324.86717 +43.27792) Search nearby
B1950.0 21 37 30.69 +43 03 03.8
Proper motion
RA: -2.130 +/- 0.567 mas/yDec: -10.281 +/- 0.469 mas/ySource: Gaia DR1
Galactic coord. 89.909 -6.952
Other names

(Internal only)
AAVSO 2135+42 ADS 15209 AN 38.1901
BD+42 4172 HD 206223 HV 187
IOMC 3195000057 SAO 51154  
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Variability type
CST
Spectral type A2
Mag. range
8.9 - ? p
Discoverer Colson (1901)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 10.7m V, 3.6", 351deg).
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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 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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 = 8.50H = 8.52K = 8.63J - K = -0.13
AllWISE W1 = 8.37W2 = 8.39W3 = 8.46W4 = 8.39W1 - W2 = -0.02W3 - W4 = 0.07
APASS-DR9 B = 9.31V = 8.84g' = 9.12r' = 8.86i' = 8.97B - V = 0.48
Images
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Supporting Documents
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Revision History
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3 Fernig, Leo 2022-04-22 13:36 UTC Discoverer updated from 1907AnHar..55....1C page 30
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.

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