AR Lac (Eclipsing binary)

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

9/12/2019, 17:38 - 9/12/2019, 22:03 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 9/14/2019, 10:59 UTC
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER REF 80/520 + MII G2-8300
  • Photometric band: B
  • Time standard: GJD
  • Brightness in: Mag
  • Magnitude type: Relative (V−C)
Note:
CCD+B,exp.8 s,comp.HD209932,2x2 bin.
Determined minima
  • S: 2458739.350470 (9/12/2019, 20:24 UTC)
    HJDmin: 2458739.354010 +/- 0.000660  
    Heliocentric correction: 0.003540
    Note: 
    CCD+B,exp.8 s,comp.HD209932,2x2 bin.

----- EBFit result: -----
Tmin = 2458739.35047
Error (1 sigma): +0.00067/-0.00065 (Bootstrapping), +0.00197/-0.00132 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00140/-0.00115 (Bootstrapping), +0.00312/-0.00199 (Prayer bead)
LSM: chi^2 = 3851.6, n_freedom = 133
Actions:
Light curve
Field identification - Star field chart
Chart - AR Lac, JD 2458739.23540
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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