T-Lyr-09661 (Eclipsing binary)

RA: 19h 09m 05.86s, DE: +49° 11' 58.49" (287.2744200000, 49.1995800000)

Data:

  • Constellation: Dra
  • Variability type: EW
  • Maximal brightness (Mag): 15.000 (V)
  • Minimum brightness (Mag): 15.800 (V)
  • Created by: admin
Periodic elements:

  • Period (d): 0.288370000000000
  • Epoch (JD): 2454964.80710
  • Secondary Epoch (JD): 2454964.95128
Change log:

2/24/2025, Filip Walter:

  • Period: 0.288369 → 0.28837
  • Declination: 49.1994444441 → 49.19958
  • Right ascension: 287.2708333333 → 287.27442
  • Secondary Epoch: Null → 2454964.9512845
  • Epoch: Null → 2454964.8071
  • Period: Null → 0.288369
  • Variability type: Null → EW
  • Photometric band: Null → V
  • Minimum brightness: Null → 15.8
  • Maximal brightness: Null → 15

Number of observations

6 x

Number of observers

6 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454964.8071 + 0.28837 * E
S: M = 2454964.95128 + 0.28837 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline