HH UMa (Eclipsing binary)

RA: 11h 04m 48.15s, DE: +35° 36' 26.60" (166.2006249900, 35.6073888889)

Data:

  • Constellation: UMa
  • Variability type: EW
  • Maximal brightness (Mag): 10.580 (V)
  • Minimum brightness (Mag): 10.800 (V)
  • Brightness in secondary minimum (Mag): 10.800 (V)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 7/20/2003
  • Created by: admin
Periodic elements:

  • Period (d): 0.375493000000000
  • Epoch (HJD): 48500.06110
  • Secondary Epoch (HJD): 48500.24880
Change log:

12/8/2025, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE)

Number of observations

40 x

Number of observers

7 x

Last observed before

352 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448500.0611 + 0.375493 * E
S: M = 2448500.2488 + 0.375493 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline