ER Vul (Eclipsing binary, Eruptive variable)

RA: 21h 02m 25.91s, DE: +27° 48' 26.50" (315.6079583283, 27.8073611111)

11/8/2022, 16:41 - 11/8/2022, 21:17 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 11/10/2022, 19:02
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER ED 80/520 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.30 s,comp. HD200270,2x2.
Determined minima
  • P: 2459892.27297 (11/8/2022, 18:33)
    HJDmin: 2459892.27388 +/- 0.00064  
    Heliocentric correction: 0.00091
    Note: 
    CCD+B,exp.30 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459892.27297
Error (1 sigma): +0.00062/-0.00065 (Bootstrapping), +0.00018/-0.00019 (Prayer bead), +0.00032/-0.00032 (LSM)
Error (95% CI):  +0.00121/-0.00136 (Bootstrapping), +0.00036/-0.00033 (Prayer bead)
LSM: chi^2 = 205.6, n_freedom = 49
  • P: 2459892.27194 (11/8/2022, 18:31)
    HJDmin: 2459892.27285 +/- 0.00092  
    Heliocentric correction: 0.00091
    Note: 
    CCD+V,exp.21 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459892.27194
Error (1 sigma): +0.00097/-0.00087 (Bootstrapping), +0.00060/-0.00063 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI):  +0.00219/-0.00164 (Bootstrapping), +0.00099/-0.00108 (Prayer bead)
LSM: chi^2 = 662.1, n_freedom = 46
  • P: 2459892.26825 (11/8/2022, 18:26)
    HJDmin: 2459892.26916 +/- 0.00165  
    Heliocentric correction: 0.00091
    Note: 
    CCD+R,exp.12 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459892.26825
Error (1 sigma): +0.00188/-0.00143 (Bootstrapping), +0.00047/-0.00031 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI):  +0.00498/-0.00245 (Bootstrapping), +0.00066/-0.00128 (Prayer bead)
LSM: chi^2 = 1138.3, n_freedom = 45
  • P: 2459892.27446 (11/8/2022, 18:35)
    HJDmin: 2459892.27537 +/- 0.00101  
    Heliocentric correction: 0.00091
    Note: 
    CCD+I,exp.15 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459892.27446
Error (1 sigma): +0.00092/-0.00110 (Bootstrapping), +0.00034/-0.00037 (Prayer bead), +0.00033/-0.00033 (LSM)
Error (95% CI):  +0.00189/-0.00210 (Bootstrapping), +0.00085/-0.00076 (Prayer bead)
LSM: chi^2 = 418.4, n_freedom = 63
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - ER Vul, JD 2459892.19550
Comments