ET Boo (Eclipsing binary)

RA: 14h 59m 20.35s, DE: +46° 49' 03.50" (224.8347916617, 46.8176388882)

Data:

  • Constellation: Boo
  • Variability type: EB
  • Maximal brightness (Mag): 9.139 (V)
  • Minimum brightness (Mag): 9.487 (V)
  • Brightness in secondary minimum (Mag): 9.139 (V)
  • Created: 7/27/1997
  • Created by: admin
Periodic elements:

  • Period (d): 0.645040000000000
  • Epoch (JD): 48500.44200
  • Secondary Epoch (JD): 48500.76500
Number of observations

34 x

Number of observers

11 x

Last observed before

3 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448500.442 + 0.64504 * E
S: M = 2448500.765 + 0.64504 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline