EI Cep (Eclipsing binary)

RA: 21h 28m 28.21s, DE: +76° 24' 12.60" (322.1175416567, 76.4035000000)

1/23/2020, 21:05 - 1/24/2020, 02:09 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 1/24/2020, 11:07
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER REF 80/520 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.24 s,comp. HD204426,2x2 bin.
Determined minima
  • P: 2458872.48557 (1/23/2020, 23:39)
    HJDmin: 2458872.48619 +/- 0.00054  
    Heliocentric correction: 0.00062
    Note: 
    CCD+B,exp.24 s,comp. HD204426,2x2 bin.

----- EBFit result: -----
Tmin = 2458872.48557
Error (1 sigma): +0.00053/-0.00054 (Bootstrapping), +0.00025/-0.00026 (Prayer bead), +0.00018/-0.00018 (LSM)
Error (95% CI):  +0.00105/-0.00103 (Bootstrapping), +0.00045/-0.00051 (Prayer bead)
LSM: chi^2 = 1150.3, n_freedom = 141
  • P: 2458872.48626 (1/23/2020, 23:40)
    HJDmin: 2458872.48688 +/- 0.00054  
    Heliocentric correction: 0.00062
    Note: 
    CCD+V,exp.18 s,comp. HD204426,2x2 bin.

----- EBFit result: -----
Tmin = 2458872.48626
Error (1 sigma): +0.00054/-0.00054 (Bootstrapping), +0.00031/-0.00024 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI):  +0.00101/-0.00107 (Bootstrapping), +0.00048/-0.00043 (Prayer bead)
LSM: chi^2 = 1927.0, n_freedom = 141
  • P: 2458872.48583 (1/23/2020, 23:39)
    HJDmin: 2458872.48645 +/- 0.00066  
    Heliocentric correction: 0.00062
    Note: 
    CCD+R,exp.12 s,comp. HD204426,2x2 bin.

----- EBFit result: -----
Tmin = 2458872.48583
Error (1 sigma): +0.00064/-0.00067 (Bootstrapping), +0.00024/-0.00020 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI):  +0.00134/-0.00131 (Bootstrapping), +0.00044/-0.00045 (Prayer bead)
LSM: chi^2 = 1241.5, n_freedom = 141
  • P: 2458872.48531 (1/23/2020, 23:38)
    HJDmin: 2458872.48593 +/- 0.00073  
    Heliocentric correction: 0.00062
    Note: 
    CCD+I,exp.14 s,comp. HD204426,2x2 bin.

----- EBFit result: -----
Tmin = 2458872.48531
Error (1 sigma): +0.00073/-0.00073 (Bootstrapping), +0.00021/-0.00025 (Prayer bead), +0.00039/-0.00039 (LSM)
Error (95% CI):  +0.00147/-0.00151 (Bootstrapping), +0.00057/-0.00046 (Prayer bead)
LSM: chi^2 = 459.1, n_freedom = 131
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EI Cep, JD 2458872.37903
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