BV Dra (Eclipsing binary)

RA: 15h 11m 50.36s, DE: +61° 51' 25.30" (227.9598333283, 61.8570277778)

6/14/2023, 20:18 - 6/14/2023, 23:53 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 6/15/2023, 11:27 UTC
  • Station: Kysucká hvezdáreň
  • Instrument: MEGREZ 88 FD 88/498 + MII G2-8300
  • Photometric band: R
  • Time standard: GJD
  • Brightness in: Mag
Note:
CCD+R,exp.10 s., comp. HD134825.
Determined minima
  • P: 2460110.44398 (6/14/2023, 22:39 UTC)
    HJDmin: 2460110.44401 +/- 0.00020  
    Heliocentric correction: 0.00003
    Note: 
    CCD+R,exp.10 s., comp. HD134825.

----- EBFit result: -----
Tmin = 2460110.44398
Error (1 sigma): +0.00019/-0.00020 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00036/-0.00040 (Bootstrapping), +0.00007/-0.00006 (Prayer bead)
LSM: chi^2 = 1120.2, n_freedom = 56
Actions:
Light curve
Field identification - Star field chart
Chart - BV Dra, JD 2460110.34617
Field identification - Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

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