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Name
  V2151 Cyg  
AAVSO UID
000-BDP-853 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 18 56.26 +54 12 41.3  (319.73442 +54.21147) Search nearby
B1950.0 21 17 22.94 +53 59 49.0
Proper motion
RA: -86.085 +/- 2.811 mas/yDec: 194.914 +/- 1.489 mas/ySource: Gaia DR1
Galactic coord. 94.990 +3.300
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J21185627+5412413 Downes V2151 Cyg EGGR 378
G 231-40 GJ 1261.0 GR378 G231-040
HIP 105230 KPD 2117+5400 TYC 3953-480-1
UCAC2 50180975 USNO-B1.0 1442-0355335 WD 2117+539
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Variability type
CST
Spectral type dA3.5
Mag. range
12.35 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Hipparcos variability is duplicity induced. Visual binary with a companion 11" away (V= 13.2). All photometric data available through VizieR shows constancy.
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References
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1 Sion, E. M., et al., 2009, The White Dwarfs Within 20 Parsecs of the Sun:
Kinematics and Statistics
2009AJ....138.1681S
2 B. Skiff, 2009 --
3 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
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 = 12.68H = 12.79K = 12.85J - K = -0.17
SDSS-DR12 u = 13.38g = 15.71r = 14.92i = 15.40z = 13.33u - g = -2.33r - i = -0.48
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2012-07-24 01:46 UTC Flag set to non-variable. Spectral type from 2009AJ....138.1681S. UCAC3 position.
2 Admin, VSX 2009-04-16 02:36 UTC Position from LSPM [2005AJ....129.1483L].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.