LN Dra (Eclipsing binary)

RA: 17h 45m 55.42s, DE: +52° 38' 04.50" (266.4809166667, 52.6345833330)

Data:

  • Constellation: Dra
  • Variability type: EB
  • Maximal brightness (Mag): 12.000 (V)
  • Minimum brightness (Mag): 12.550 (V)
  • Brightness in secondary minimum (Mag): 12.000 (V)
  • Astrophysical interest: Possible period changes
  • Created: 6/6/2003
  • Created by: admin
Periodic elements:

  • Period (d): 0.612142000000000
  • Epoch (HJD): 51306.86300
  • Secondary Epoch (HJD): 51280.84700
Change log:

3/13/2026, Filip Walter:

  • Astrophysical interest: Nothing → Possible period changes

Number of observations

10 x

Number of observers

5 x

Last observed before

5 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451306.863 + 0.612142 * E
S: M = 2451280.847 + 0.612142 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline