EL Boo (Eclipsing binary)

RA: 14h 48m 03.41s, DE: +13° 56' 41.20" (222.0142083333, 13.9447777774)

Data:
  • Constellation: Boo
  • Variability type: EW
  • Maximal brightness (Mag): 9.376 (V)
  • Minimum brightness (Mag): 9.522 (V)
  • Brightness in secondary minimum (Mag): 9.376 (V)
  • Astrophysical interest: Period decreasing
  • Created: 7/27/1997
  • Created by: admin
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Periodic elements:
  • Period (d): 0.413762500000000
  • Epoch (JD): 48500.15900
  • Secondary Epoch (JD): 48500.36600
Change log:

6/26/2025, Filip Walter:

  • Astrophysical interest: Nothing → Period decreasing

Chart
EL Boo
Source: The STScI Digitized Sky Survey
Number of observations

13 x

Number of observers

6 x

Last observed before

172 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448500.159 + 0.4137625 * E
S: M = 2448500.366 + 0.4137625 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline