AH Cep (Eclipsing binary)

RA: 22h 47m 52.94s, DE: +65° 03' 43.80" (341.9705833283, 65.0621666667)

1/6/2020, 16:19 - 1/6/2020, 21:03 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 1/9/2020, 19:42
  • 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.16 s,comp. UCAC4-777-048290,2x2 bin
Determined minima
  • S: 2458855.24493 (1/6/2020, 17:52)
    HJDmin: 2458855.24562 +/- 0.00111  
    Heliocentric correction: 0.00069
    Note: 
    CCD+B,exp.16 s,comp. UCAC4-777-048290,2x2 bin

----- EBFit result: -----
Tmin = 2458855.24493
Error (1 sigma): +0.00130/-0.00093 (Bootstrapping), +0.00073/-0.00074 (Prayer bead), +0.00065/-0.00065 (LSM)
Error (95% CI):  +0.00214/-0.00232 (Bootstrapping), +0.00137/-0.00122 (Prayer bead)
LSM: chi^2 = 384.9, n_freedom = 116
  • S: 2458855.25063 (1/6/2020, 18:00)
    HJDmin: 2458855.25132 +/- 0.00071  
    Heliocentric correction: 0.00069
    Note: 
    CCD+V,exp.11 s,comp. HD215371,2x2 bin.

----- EBFit result: -----
Tmin = 2458855.25063
Error (1 sigma): +0.00067/-0.00074 (Bootstrapping), +0.00039/-0.00040 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI):  +0.00143/-0.00141 (Bootstrapping), +0.00070/-0.00068 (Prayer bead)
LSM: chi^2 = 716.1, n_freedom = 109
  • S: 2458855.24479 (1/6/2020, 17:52)
    HJDmin: 2458855.24548 +/- 0.00104  
    Heliocentric correction: 0.00069
    Note: 
    CCD+R,exp.8 s,comp. HD215371,2x2 bin.

----- EBFit result: -----
Tmin = 2458855.24479
Error (1 sigma): +0.00099/-0.00108 (Bootstrapping), +0.00067/-0.00067 (Prayer bead), +0.00020/-0.00020 (LSM)
Error (95% CI):  +0.00212/-0.00264 (Bootstrapping), +0.00097/-0.00143 (Prayer bead)
LSM: chi^2 = 2451.3, n_freedom = 98
  • S: 2458855.25353 (1/6/2020, 18:05)
    HJDmin: 2458855.25422 +/- 0.00089  
    Heliocentric correction: 0.00069
    Note: 
    CCD+I,exp.9 s,comp. HD215371,2x2 bin.

----- EBFit result: -----
Tmin = 2458855.25353
Error (1 sigma): +0.00087/-0.00091 (Bootstrapping), +0.00051/-0.00045 (Prayer bead), +0.00051/-0.00051 (LSM)
Error (95% CI):  +0.00166/-0.00186 (Bootstrapping), +0.00093/-0.00082 (Prayer bead)
LSM: chi^2 = 322.6, n_freedom = 114
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - AH Cep, JD 2458855.18045
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