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Latest Details
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Name
  31 Cyg B  
AAVSO UID
000-BCK-992 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 13 39.20 +46 42 42.7  (303.41333 +46.71186) Search nearby
B1950.0 20 12 04.65 +46 33 33.5
Proper motion
RA: 3.23 +/- 0.45 mas/yDec: 3.03 +/- 0.45 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 82.653 +6.758
Other names

(Internal only)
ADS 13554 C ALS 20014 BD+46 2883
GSC 03559-02607 Gaia DR3 2082600680879393408 HD 192579
HIP 99676 NSV 12931 PPM 59525
SAO 49338 TIC 378267987 TYC 3559-2607-1
WDS J20136+4644C    
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Variability type
SPB
Spectral type B5V
Mag. range
7.00 V (0.011)TESS
Discoverer --
Epoch
14 Sep 2022 (HJD 2459837.3) Ephemeris
Outburst --
Period 1.161 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team ADS 13554C (see 12926).
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 Slettebak, A., 1963, The Spectra and Axial Rotational Velocities of the
Components of 116 Visual Double-Star Systems
1963ApJ...138..118S
4 T.Herczeg, H.Schmidt, ZsAp 55, 161, 1962 = Bonn Mitt No.46. --
External Links
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Location    Go   
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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 = 7.28H = 7.42K = 7.39J - K = -0.12
AllWISE W1 = 7.33W2 = 7.45W3 = 7.56W4 = 7.61W1 - W2 = -0.12W3 - W4 = -0.06
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 13 39.20 +46 42 42.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2024-02-28 19:10 UTC Phase plot with TESS data.
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Revision History
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2 Otero, Sebastian Alberto 2024-02-28 19:10 UTC Type, period, epoch and amplitude from TESS data. Mean magnitude from Hipparcos and GCPD data. Spectral type from 1963ApJ...138..118S. Gaia DR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.