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Name
  V0670 Cyg  
AAVSO UID
000-BDN-662 (32 observations)  
Constellation
Cygnus Sequence
J2000.0
21 50 19.08 +42 46 21.5  (327.57950 +42.77264) Search nearby
B1950.0 21 48 18.59 +42 32 17.8
Galactic coord. 91.091 -8.629
Other names

(Internal only)
2MASS J21501907+4246215 IRAS 21483+4232 NSVS 5937738
SON 4565    
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Variability type
M
Spectral type --
Mag. range
12.9 - <18.5 V
Discoverer --
Epoch
15 Oct 1999 (HJD 2451467) Ephemeris
Outburst --
Period 303 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 14.2 mag. star 7" to the NE and 16.0 mag. star 12" to the SW.
2 Otero, Sebastian Alberto NSVS, APASS and AAVSO magnitudes contaminated by GSC 03193-00465 (V= 14.22; sep. 7"). NSVS magnitudes also contaminated by 2MASS J21501819+4246151 (V= 16.0; sep. 12"), 2MASS J21501776+4246447 (V= 15.8; sep. 27"), GSC 03193-00313 (V= 13.56; sep. 45") and other faint nearby stars. Range has been corrected.
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References
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1 Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
2 E.Rohlfs, VSS 1, N5, 1951. --
3 MVS N309, 1957. --
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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 = 8.43H = 7.56K = 7.00J - K = 1.42
AllWISE W1 = 6.61W2 = 6.07W3 = 5.13W4 = 4.34W1 - W2 = 0.55W3 - W4 = 0.79
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2013-09-13 03:45 UTC Phase plot with NSVS, AAVSO and APASS data corrected for light contamination.
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Revision History
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3 Otero, Sebastian Alberto 2013-09-13 03:45 UTC Period, epoch and range from NSVS, AAVSO and APASS data. Identification based on Dauban Survey observations. 2MASS position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.