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Name
  NSV 13904  
AAVSO UID
000-BDC-489 (324 observations)  
Constellation
Cygnus Sequence
J2000.0
21 51 43.23 +43 09 23.6  (327.93012 +43.15656) Search nearby
B1950.0 21 49 42.84 +42 55 16.6
Proper motion
RA: 4.3 +/- 1.7 mas/yDec: 1.4 +/- 2.6 mas/ySource: UCAC4
Galactic coord. 91.539 -8.497
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J21514322+4309235 AAVSO 2147+42B Cyg5
NPM2 +43.2102 SVS 1101 UCAC4 666-107365
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Variability type
UG:
Spectral type G
Mag. range
14.00 - ? V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Published range in Kholopov (1951) 12.0 - 14.2 p not confirmed. Constant in APASS and AAVSO V data. J-K= 0.31; B-V= 0.71.
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References
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1 Henden, A. A., et al., 2012, Data Release 3 of the AAVSO All-Sky
Photometric Survey (APASS)
2012JAVSO..40..430H
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 W. Liu, J.Y. Hu, Z.Y. Li, L. Cao, 1999, ApJS 122, 257 1999ApJS..122..257L
6 P.N.Kholopov, Perem Zvezdy 8, No.3(75), 251, 1951. --
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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 = 12.68H = 12.43K = 12.37J - K = 0.31
AllWISE W1 = 12.27W2 = 12.27W3 = 12.38W1 - W2 = 0.00
APASS-DR9 B = 14.71V = 14.00g' = 14.31r' = 13.84i' = 13.67B - V = 0.71
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2014-08-08 00:44 UTC V-magnitude from APASS and AAVSO V data. Spectral type from 2001PASP..113..764D. UCAC4 position.
2 Admin, VSX 2007-03-23 20:07 UTC Position from the Lick NPM2 catalog [2004AJ....128.1430H].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.