AH Cep (Eclipsing binary)

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

7/27/2020, 21:01 - 7/28/2020, 00:36 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 7/29/2020, 22:00
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER NWT 150/750 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.8 s,comp. BD+64 1716,2x2.
Determined minima
  • P: 2459058.46210 (7/27/2020, 23:05)
    HJDmin: 2459058.46231 +/- 0.00135  
    Heliocentric correction: 0.00021
    Note:
    CCD+V,exp.6 s,comp. BD+64 .
    
    ----- EBFit result: -----
    Tmin = 2459058.46210
    Error (1 sigma): +0.00110/-0.00160 (Bootstrapping), +0.00121/-0.00153 (Prayer bead), +0.00026/-0.00026 (LSM)
    Error (95% CI):  +0.00219/-0.00294 (Bootstrapping), +0.00188/-0.00186 (Prayer bead)
    LSM: chi^2 = 3550.5, n_freedom = 178
    
  • P: 2459058.45979 (7/27/2020, 23:02)
    HJDmin: 2459058.46000 +/- 0.00096  
    Heliocentric correction: 0.00021
    Note:
    CCD+R,exp.3 s,comp. BD+64 .
    
    ----- EBFit result: -----
    Tmin = 2459058.45979
    Error (1 sigma): +0.00095/-0.00097 (Bootstrapping), +0.00033/-0.00031 (Prayer bead), +0.00042/-0.00042 (LSM)
    Error (95% CI):  +0.00190/-0.00175 (Bootstrapping), +0.00048/-0.00059 (Prayer bead)
    LSM: chi^2 = 1076.2, n_freedom = 184
    
  • P: 2459058.45834 (7/27/2020, 23:00)
    HJDmin: 2459058.45855 +/- 0.00089  
    Heliocentric correction: 0.00021
    Note:
    CCD+I,exp.4 s,comp. BD+64 1716,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459058.45834
    Error (1 sigma): +0.00085/-0.00094 (Bootstrapping), +0.00036/-0.00035 (Prayer bead), +0.00053/-0.00053 (LSM)
    Error (95% CI):  +0.00182/-0.00179 (Bootstrapping), +0.00078/-0.00060 (Prayer bead)
    LSM: chi^2 = 762.8, n_freedom = 207
    
Actions:

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