AR Lac (Eclipsing binary)

RA: 22h 08m 40.82s, DE: +45° 44' 32.10" (332.1700833283, 45.7422499997)

9/12/2019, 17:39 - 9/12/2019, 22:02 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 9/14/2019, 11:36 UTC
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER REF 80/520 + MII G2-8300
  • Photometric band: R
  • Time standard: GJD
  • Brightness in: Mag
  • Magnitude type: Relative (V−C)
Note:
CCD+R,exp.4 s,comp.HD209932,2x2 bin.
Determined minima
  • S: 2458739.347210 (9/12/2019, 20:19 UTC)
    HJDmin: 2458739.350750 +/- 0.000390  
    Heliocentric correction: 0.003540
    Note: 
    CCD+R,exp.4 s,comp.HD209932,2x2 bin.

----- EBFit result: -----
Tmin = 2458739.34721
Error (1 sigma): +0.00038/-0.00041 (Bootstrapping), +0.00081/-0.00087 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00073/-0.00079 (Bootstrapping), +0.00102/-0.00161 (Prayer bead)
LSM: chi^2 = 5786.9, n_freedom = 167
Actions:
Light curve
Field identification - Star field chart
Chart - AR Lac, JD 2458739.23578
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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