AR Dra (Eclipsing binary)

RA: 12h 16m 36.55s, DE: +64° 51' 27.30" (184.1522916567, 64.8575833333)

Data:
  • Constellation: Dra
  • Variability type: EA
  • Maximal brightness (Mag): 11.290 (V)
  • Minimum brightness (Mag): 12.510 (V)
  • Brightness in secondary minimum (Mag): 11.630 (V)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.675838000000000
  • Epoch (JD): 42868.92100
  • Secondary Epoch (JD): 42869.25900
Chart
AR Dra
Source: The STScI Digitized Sky Survey
Number of observations

9 x

Number of observers

6 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2442868.921 + 0.675838 * E
S: M = 2442869.259 + 0.675838 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline