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Details for Revision 2
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Name
  V0670 Cyg  
AAVSO UID
000-BDN-662 (34 observations)  
Constellation
Cygnus Sequence
J2000.0
21 50 19.43 +42 46 27.6  (327.58096 +42.77433) Search nearby
B1950.0 21 48 18.94 +42 32 23.9
Galactic coord. 91.093 -8.628
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
13.0 - 17.5 p
Discoverer --
Epoch
09 Jul 1935 (HJD 2427993) Ephemeris
Outburst --
Period 302 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 MVS N309, 1957. --
3 E.Rohlfs, VSS 1, N5, 1951. --
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2013-09-13 07:45 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 07:45 UTC Period, epoch and range from NSVS, AAVSO and APASS data. Identification based on Dauban Survey observations. 2MASS position.
2 Admin, VSX 2010-01-05 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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