GK Boo (Eclipsing binary)

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

4/22/2023, 19:04 - 4/22/2023, 21:37 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 4/24/2023, 12:46
  • 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.
Determined minima
  • S: 2460057.34411 (4/22/2023, 20:15)
    HJDmin: 2460057.34787 +/- 0.00037  
    Heliocentric correction: 0.00376
    Note:
    CCD+B,exp.60s., comp.UCAC4-633-050873.
    
    ----- EBFit result: -----
    Tmin = 2460057.34411
    Error (1 sigma): +0.00035/-0.00039 (Bootstrapping), +0.00020/-0.00017 (Prayer bead), +0.00038/-0.00038 (LSM)
    Error (95% CI):  +0.00074/-0.00080 (Bootstrapping), +0.00025/-0.00028 (Prayer bead)
    LSM: chi^2 = 21.7, n_freedom = 22
    
  • S: 2460057.34357 (4/22/2023, 20:14)
    HJDmin: 2460057.34733 +/- 0.00018  
    Heliocentric correction: 0.00376
    Note:
    CCD+I,exp.38s., comp.UCAC4-633-050873.
    
    ----- EBFit result: -----
    Tmin = 2460057.34357
    Error (1 sigma): +0.00020/-0.00016 (Bootstrapping), +0.00008/-0.00011 (Prayer bead), +0.00011/-0.00011 (LSM)
    Error (95% CI):  +0.00038/-0.00032 (Bootstrapping), +0.00017/-0.00014 (Prayer bead)
    LSM: chi^2 = 48.1, n_freedom = 25
    
  • S: 2460057.34355 (4/22/2023, 20:14)
    HJDmin: 2460057.34731 +/- 0.00026  
    Heliocentric correction: 0.00376
    Note:
    CCD+R,exp.30s., comp.UCAC4-633-050873.
    
    ----- EBFit result: -----
    Tmin = 2460057.34355
    Error (1 sigma): +0.00027/-0.00025 (Bootstrapping), +0.00028/-0.00020 (Prayer bead), +0.00016/-0.00016 (LSM)
    Error (95% CI):  +0.00053/-0.00048 (Bootstrapping), +0.00031/-0.00044 (Prayer bead)
    LSM: chi^2 = 60.6, n_freedom = 26
    
  • S: 2460057.34420 (4/22/2023, 20:15)
    HJDmin: 2460057.34796 +/- 0.00029  
    Heliocentric correction: 0.00376
    Note:
    CCD+V,exp.45s., comp.UCAC4-633-050873.
    
    ----- EBFit result: -----
    Tmin = 2460057.34420
    Error (1 sigma): +0.00027/-0.00031 (Bootstrapping), +0.00017/-0.00020 (Prayer bead), +0.00027/-0.00027 (LSM)
    Error (95% CI):  +0.00054/-0.00058 (Bootstrapping), +0.00028/-0.00036 (Prayer bead)
    LSM: chi^2 = 22.6, n_freedom = 19
    
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments