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  V1803 Cyg  
000-BCN-244 (No observations)  
Cygnus Sequence
21 06 53.94 +38 44 57.9  (316.72475 +38.74942) Search nearby
B1950.0 21 04 39.19 +38 30 07.7
Proper motion
RA: 4168.31 mas/yDec: 3269.20 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 82.320 -5.818
Other names

(Internal only)
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61 Cyg A ADS 14636 A BD+38 4343
GJ 820.0 A HD 201091 HIP 104214
HR 8085 IRC +40469 NSV 13543
SAO 70919 X 21037+385  
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Variability type
Spectral type K5V
Mag. range
5.19 - 5.27 V
Discoverer --
Outburst --
Period 35: d
Rise/eclipse dur. --
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1 Hinzel, David H. Companion star K7 dwarf 61 Cyg B. Cyclic chromospheric activity ~ 7.3 years. Large scale surface magnetic field flips polarity.
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1 Boro Saikia, S.; et al., 2016, A Solar-like Magnetic Cycle on the Mature
K-dwarf 61 Cyg A (HD 201091)
2 J.D.Dorren, E.F.Guinan, SAO Special Report No.392,Vol.II,49,1982. 1981SAOSR.392...49D
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Revision History
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3 Hinzel, David H. 2016-12-14 21:18 UTC Spectral type and period from 2016A&A...594A..29B.
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.