EI Cep (Eclipsing binary)

RA: 21h 28m 28.21s, DE: +76° 24' 12.60" (322.1175416567, 76.4035000000)

Data:

  • Constellation: Cep
  • Variability type: EA
  • Maximal brightness (Mag): 7.540 (V)
  • Minimum brightness (Mag): 8.060 (V)
  • Brightness in secondary minimum (Mag): 7.980 (V)
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 8.439350000000000
  • Epoch (HJD): 36820.46650
  • Secondary Epoch (HJD): 36824.68620
Number of observations

5 x

Number of observers

2 x

Last observed before

2260 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2436820.4665 + 8.43935 * E
S: M = 2436824.6862 + 8.43935 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline