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Name
  NSVS J2151195+410702  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
21 51 19.88 +41 07 11.9  (327.83283 +41.11997) Search nearby
B1950.0 21 49 17.30 +40 53 05.9
Galactic coord. 90.167 -10.020
Other names

(Internal only)
2MASS J21511987+4107118 AKARI-IRC-V1 J2151199+410711 ASASSN-V J215119.76+410711.5
GSC2.3 N2WW056650 IRAS 21492+4052 NSVS 5939608
USNO-B1.0 1311-0447829    
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Variability type
M
Spectral type --
Mag. range
13.4 - <17.7 V
Discoverer --
Epoch
25 Jul 1999 (HJD 2451385) Ephemeris
Outburst --
Period 266: d
Rise/eclipse dur. --
Remarks
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1 Siarhey, Hadon B-V= 1.6. NSVS magnitudes are contaminated by GSC2.3 N2WW0566732 (J-K= 0.35, V= 17.5, sep. 11"), 2MASS J21511978+4106519 (J-K= 0.76, V= 14.1, sep. 20"), 2MASS J21511739+4107157 (J-K= 1.57, V= 18.4, sep. 28"), 2MASS J21512223+4107013 (J-K= 0.58, V= 17.4, sep. 28") and 2MASS J21512301+4107064 (J-K= 0.35, V= 17.1, sep. 35"). Range has been corrected.
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References
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1 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
2 Williams S.J., Wozniak P.R., Vestrand W.T., Gupta V., 2004, Unspecified
slow variables
--
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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 = 7.82H = 6.88
AllWISE W1 = 5.74W2 = 5.18W3 = 4.36W4 = 3.68W1 - W2 = 0.56W3 - W4 = 0.68
APASS-DR9 B = 16.57V = 14.85g' = 15.81r' = 13.76i' = 11.39B - V = 1.73
Images
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Supporting Documents
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1 Phase plot P 266 Siarhey, Hadon 2015-02-11 00:10 UTC
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Revision History
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2 Siarhey, Hadon 2015-02-10 00:09 UTC Type, range, period nd epoch from NSVS, APASS and GSC2.3 data. 2MASS position.
1 Admin, VSX 2007-03-23 20:09 UTC Preserved original object data.