KR Cyg (Eclipsing binary)

RA: 20h 09m 05.59s, DE: +30° 33' 01.40" (302.2732916667, 30.5503888889)

Data:

  • Constellation: Cyg
  • Variability type: EB
  • Maximal brightness (Mag): 9.190 (V)
  • Minimum brightness (Mag): 10.000 (V)
  • Brightness in secondary minimum (Mag): 9.370 (V)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 4/9/2007
  • Created by: admin
Periodic elements:

  • Period (d): 0.845152800000000
  • Epoch (HJD): 25700.42300
  • Secondary Epoch (HJD): 25700.84600
Change log:

11/23/2025, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE)

Number of observations

23 x

Number of observers

7 x

Last observed before

595 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2425700.423 + 0.8451528 * E
S: M = 2425700.846 + 0.8451528 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline