HP Dra (Eclipsing binary)

RA: 18h 54m 53.48s, DE: +51° 18' 29.80" (283.7228333333, 51.3082777778)

Data:

  • Constellation: Dra
  • Variability type: EA,disp
  • Maximal brightness (Mag): 8.060 (V)
  • Minimum brightness (Mag): 8.360 (V)
  • Brightness in secondary minimum (Mag): 8.060 (V)
  • Created: 7/27/1997
  • Created by: admin
Periodic elements:

  • Period (d): 10.761530500000000
  • Epoch (HJD): 51041.48100
  • Secondary Epoch (HJD): 51046.96200
Number of observations

1 x

Number of observers

1 x

Last observed before

2731 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451041.481 + 10.7615305 * E
S: M = 2451046.962 + 10.7615305 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline