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Name
  HD 207991  
AAVSO UID
000-BNW-262 (1 observation)  
Constellation
Cygnus Sequence
J2000.0
21 51 55.38 +48 26 13.6  (327.98075 +48.43711) Search nearby
B1950.0 21 50 01.71 +48 12 06.0
Galactic coord. 94.928 -4.429
Other names

(Internal only)
BD+47 3584 DO 40252 GSC 03608-00663
HIP 107923 IRAS 21500+4812 IRC +50404
PPM 62142 SAO 51382 TIC 384302507
TYC 3608-663-1    
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Variability type
LB
Spectral type K4III Ba0.2
Mag. range
6.86 - 6.90 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
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1 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
2 Keenan, P. C.; Pitts, R. E., 1980, Revised MK spectral types for G, K ANS M
stars		 1980ApJS...42..541K
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Images
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Supporting Documents
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Revision History
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1 Otero, Sebastian Alberto 2021-02-09 21:07 UTC Type and range from Hipparcos and GCPD data. Spectral type from 1980ApJS...42..541K. Gaia EDR3 position.

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