OO Dra (Eclipsing binary)

RA: 11h 40m 01.41s, DE: +75° 09' 21.50" (175.0058749900, 75.1559722222)

Data:

  • Constellation: Dra
  • Variability type: EA
  • Maximal brightness (Mag): 11.400 (R)
  • Minimum brightness (Mag): 11.800 (R)
  • Brightness in secondary minimum (Mag): 11.400 (R)
  • Created: 9/5/2007
  • Created by: admin
Periodic elements:

  • Period (d): 1.238382000000000
  • Epoch (HJD): 51403.83800
  • Secondary Epoch (HJD): 51404.45700
Number of observations

5 x

Number of observers

3 x

Last observed before

1470 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451403.838 + 1.238382 * E
S: M = 2451404.457 + 1.238382 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline