USNO-B1 0.1076-0646636 (Eclipsing binary)

RA: 20h 26m 51.94s, DE: +17° 36' 55.00" (306.7164166617, 17.6152777778)

Other: V USNO-B1.0 1076-0646636

Data:

  • Constellation: Del
  • Variability type: EW
  • Maximal brightness (Mag): 11.420 (CR)
  • Minimum brightness (Mag): 11.740 (CR)
  • Astrophysical interest: Wrong period
  • Created by: admin
Periodic elements:

  • Period (d): 0.352390000000000
  • Epoch (JD): 2456539.37460
  • Secondary Epoch (JD): 2456539.550795 (est.)
Change log:

11/13/2025, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period
  • Epoch: Null → 2456539.3746
  • Period: Null → 0.35239
  • Variability type: Null → EW
  • Photometric band: Null → CR
  • Minimum brightness: Null → 11.74
  • Maximal brightness: Null → 11.42

Number of observations

3 x

Number of observers

3 x

Last observed before

1292 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2456539.3746 + 0.35239 * E
S: M = 2456539.550795 + 0.35239 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline