BV Dra (Eclipsing binary)

RA: 15h 11m 50.36s, DE: +61° 51' 25.30" (227.9598333283, 61.8570277778)

Data:
  • Constellation: Dra
  • Variability type: EW
  • Maximal brightness (Mag): 7.880 (V)
  • Minimum brightness (Mag): 8.480 (V)
  • Brightness in secondary minimum (Mag): 7.880 (V)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.350067000000000
  • Epoch (JD): 44474.32700
  • Secondary Epoch (JD): 44474.50200
Chart
BV Dra
Source: The STScI Digitized Sky Survey
Number of observations

280 x

Number of observers

17 x

Last observed before

200 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2444474.327 + 0.350067 * E
S: M = 2444474.502 + 0.350067 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline