GK Boo (Eclipsing binary)

RA: 14h 38m 20.70s, DE: +36° 32' 25.00" (219.5862499950, 36.5402777774)

3/18/2023, 21:19 - 3/19/2023, 01:00 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 3/23/2023, 12:11
  • Station: Kysucká hvezdáreň
  • Instrument: MEGREZ 88 FD 88/498 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.60s., comp.UCAC4-633-050873
Visual magnitude: 10.421
Colour index B-V: 0.527, 2x2.
Determined minima
  • S: 2460022.46734 (3/18/2023, 23:12)
    HJDmin: 2460022.47086 +/- 0.00045  
    Heliocentric correction: 0.00352
    Note: 
    CCD+B,exp.60s., comp.UCAC4-633-050873
Visual magnitude: 10.421
Colour index B-V: 0.527, 2x2.

----- EBFit result: -----
Tmin = 2460022.46734
Error (1 sigma): +0.00046/-0.00043 (Bootstrapping), +0.00041/-0.00047 (Prayer bead), +0.00031/-0.00031 (LSM)
Error (95% CI):  +0.00084/-0.00082 (Bootstrapping), +0.00077/-0.00071 (Prayer bead)
LSM: chi^2 = 51.0, n_freedom = 27
  • S: 2460022.46653 (3/18/2023, 23:11)
    HJDmin: 2460022.47005 +/- 0.00024  
    Heliocentric correction: 0.00352
    Note: 
    CCD+V,exp.45s.,comp.comp.UCAC4-633-050873
Visual magnitude: 10.421
Colour index B-V: 0.527, 2x2.

----- EBFit result: -----
Tmin = 2460022.46653
Error (1 sigma): +0.00027/-0.00022 (Bootstrapping), +0.00010/-0.00008 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI):  +0.00051/-0.00045 (Bootstrapping), +0.00023/-0.00020 (Prayer bead)
LSM: chi^2 = 53.6, n_freedom = 31
  • S: 2460022.46669 (3/18/2023, 23:12)
    HJDmin: 2460022.47021 +/- 0.00026  
    Heliocentric correction: 0.00352
    Note: 
    CCD+R,exp.30s.,comp.comp.UCAC4-633-050873
Visual magnitude: 10.421
Colour index B-V: 0.527, 2x2.

----- EBFit result: -----
Tmin = 2460022.46669
Error (1 sigma): +0.00029/-0.00023 (Bootstrapping), +0.00028/-0.00030 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI):  +0.00054/-0.00048 (Bootstrapping), +0.00041/-0.00035 (Prayer bead)
LSM: chi^2 = 65.4, n_freedom = 30
  • S: 2460022.46650 (3/18/2023, 23:11)
    HJDmin: 2460022.47002 +/- 0.00037  
    Heliocentric correction: 0.00352
    Note: 
    CCD+I,exp.30s.,comp.comp.UCAC4-633-050873
Visual magnitude: 10.421
Colour index B-V: 0.527, 2x2.

----- EBFit result: -----
Tmin = 2460022.46650
Error (1 sigma): +0.00040/-0.00034 (Bootstrapping), +0.00026/-0.00046 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI):  +0.00082/-0.00067 (Bootstrapping), +0.00044/-0.00059 (Prayer bead)
LSM: chi^2 = 211.5, n_freedom = 31
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - GK Boo, JD 2460022.38824
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