KR Cyg (Eclipsing binary)

RA: 20h 09m 05.59s, DE: +30° 33' 01.40" (302.2732916667, 30.5503888889)

9/7/2023, 18:16 - 9/7/2023, 21:42 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 9/13/2023, 19:20
  • 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.50 s., comp. UCAC4-686-071502.
Determined minima
  • P: 2460195.34395 (9/7/2023, 20:15)
    HJDmin: 2460195.34724 +/- 0.00017  
    Heliocentric correction: 0.00329
    Note:
    CCD+B, exp.50 s., comp. UCAC4-686-071502.
    
    ----- EBFit result: -----
    Tmin = 2460195.34395
    Error (1 sigma): +0.00017/-0.00017 (Bootstrapping), +0.00003/-0.00005 (Prayer bead), +0.00007/-0.00007 (LSM)
    Error (95% CI):  +0.00035/-0.00035 (Bootstrapping), +0.00008/-0.00007 (Prayer bead)
    LSM: chi^2 = 355.0, n_freedom = 49
    
  • P: 2460195.34382 (9/7/2023, 20:15)
    HJDmin: 2460195.34711 +/- 0.00023  
    Heliocentric correction: 0.00329
    Note:
    CCD+V, exp.30 s.,comp. UCAC4-686-071502.
    
    ----- EBFit result: -----
    Tmin = 2460195.34382
    Error (1 sigma): +0.00022/-0.00024 (Bootstrapping), +0.00005/-0.00005 (Prayer bead), +0.00008/-0.00008 (LSM)
    Error (95% CI):  +0.00043/-0.00043 (Bootstrapping), +0.00009/-0.00009 (Prayer bead)
    LSM: chi^2 = 382.1, n_freedom = 38
    
  • P: 2460195.34387 (9/7/2023, 20:15)
    HJDmin: 2460195.34716 +/- 0.00018  
    Heliocentric correction: 0.00329
    Note:
    CCD+R, exp.20 s.,comp. UCAC4-686-071502.
    
    ----- EBFit result: -----
    Tmin = 2460195.34387
    Error (1 sigma): +0.00019/-0.00017 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00010/-0.00010 (LSM)
    Error (95% CI):  +0.00034/-0.00033 (Bootstrapping), +0.00006/-0.00005 (Prayer bead)
    LSM: chi^2 = 127.8, n_freedom = 43
    
  • P: 2460195.34424 (9/7/2023, 20:15)
    HJDmin: 2460195.34753 +/- 0.00039  
    Heliocentric correction: 0.00329
    Note:
    CCD+I, exp.24 s.,comp. UCAC4-603-107384.
    
    ----- EBFit result: -----
    Tmin = 2460195.34424
    Error (1 sigma): +0.00036/-0.00043 (Bootstrapping), +0.00011/-0.00016 (Prayer bead), +0.00035/-0.00035 (LSM)
    Error (95% CI):  +0.00074/-0.00082 (Bootstrapping), +0.00024/-0.00047 (Prayer bead)
    LSM: chi^2 = 73.3, n_freedom = 47
    
Actions:

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