DK Cyg (Eclipsing binary)

RA: 21h 35m 02.67s, DE: +34° 35' 45.40" (323.7611249950, 34.5959444441)

Data:

  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 10.370 (V)
  • Minimum brightness (Mag): 10.930 (V)
  • Brightness in secondary minimum (Mag): 10.900 (V)
  • Astrophysical interest: Period decreasing
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 0.470693000000000
  • Epoch (HJD): 42273.49100
  • Secondary Epoch (HJD): 42273.72600
Change log:

11/2/2025, Filip Walter:

  • Astrophysical interest: Nothing → Period decreasing

Number of observations

41 x

Number of observers

12 x

Last observed before

170 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2442273.491 + 0.470693 * E
S: M = 2442273.726 + 0.470693 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline