FK Dra (Eclipsing binary)

RA: 12h 30m 11.67s, DE: +63° 53' 20.50" (187.5486250000, 63.8890277774)

Data:
  • Constellation: Dra
  • Variability type: EA
  • Maximal brightness (Mag): 9.300 (V)
  • Minimum brightness (Mag): 9.790 (V)
  • Brightness in secondary minimum (Mag): 9.300 (V)
  • Created: 7/27/1997
  • Created by: admin
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Periodic elements:
  • Period (d): 2.000777000000000
  • Epoch (JD): 48501.63000
Chart
FK Dra
Source: The STScI Digitized Sky Survey
Number of observations

4 x

Number of observers

4 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448501.63 + 2.000777 * E
S: M = 2448502.6303885 + 2.000777 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline