T-Lyr1-21614 (Eclipsing binary)

RA: 19h 10m 11.00s, DE: +49° 12' 20.00" (287.5458333233, 49.2055555556)

Data:
  • Constellation: Dra
  • Variability type: EW
  • Maximal brightness (Mag): 14.540 (R)
  • Minimum brightness (Mag): 15.392 (R)
  • Brightness in secondary minimum (Mag): 15.392 (R)
  • Astrophysical interest: Possible period changes
  • Created by: admin
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Periodic elements:
  • Period (d): 0.306518000000000
  • Epoch (JD): 2454964.84730
  • Secondary Epoch (JD): 2454965.000559 (est.)
Change log:

10/25/2025, Filip Walter:

  • Astrophysical interest: Nothing → Possible period changes
  • Astrophysical interest: Nothing → Possible period changes
  • Epoch: Null → 2454964.8473
  • Period: Null → 0.306518
  • Variability type: Null → EW
  • Photometric band: Null → R
  • Brightness in secondary minimum: Null → 15.392
  • Minimum brightness: Null → 15.392
  • Maximal brightness: Null → 14.54

Chart
T-Lyr1-21614
Source: The STScI Digitized Sky Survey
Number of observations

5 x

Number of observers

4 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454964.8473 + 0.306518 * E
S: M = 2454965.000559 + 0.306518 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline