PR Dra (Eclipsing binary)

RA: 14h 35m 10.62s, DE: +59° 30' 34.60" (218.7942499950, 59.5096111111)

Data:
  • Constellation: Dra
  • Variability type: EW
  • Maximal brightness (Mag): 13.300 (R)
  • Minimum brightness (Mag): 13.600 (R)
  • Brightness in secondary minimum (Mag): 13.550 (R)
  • Created: 3/28/2009
  • Created by: admin
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Periodic elements:
  • Period (d): 0.374751000000000
  • Epoch (HJD): 51341.64900
  • Secondary Epoch (HJD): 51341.83600
Chart
PR Dra
Source: The STScI Digitized Sky Survey
Number of observations

6 x

Number of observers

4 x

Last observed before

3244 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451341.649 + 0.374751 * E
S: M = 2451341.836 + 0.374751 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline