ER Vul (Eclipsing binary, Eruptive variable)

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

11/5/2020, 17:33 - 11/5/2020, 19:49 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 11/7/2020, 11:39
  • 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.16 s,comp. HD200270,2x2.
Determined minima
  • P: 2459159.27341 (11/5/2020, 18:33)
    HJDmin: 2459159.27450 +/- 0.00066  
    Heliocentric correction: 0.00109
    Note: 
    CCD+B,exp.16 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459159.27341
Error (1 sigma): +0.00063/-0.00068 (Bootstrapping), +0.00022/-0.00029 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI):  +0.00129/-0.00122 (Bootstrapping), +0.00042/-0.00066 (Prayer bead)
LSM: chi^2 = 420.9, n_freedom = 65
  • P: 2459159.27218 (11/5/2020, 18:31)
    HJDmin: 2459159.27327 +/- 0.00090  
    Heliocentric correction: 0.00109
    Note: 
    CCD+V,exp.12 s. ,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459159.27218
Error (1 sigma): +0.00102/-0.00079 (Bootstrapping), +0.00072/-0.00046 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI):  +0.00180/-0.00162 (Bootstrapping), +0.00102/-0.00134 (Prayer bead)
LSM: chi^2 = 2516.9, n_freedom = 72
  • P: 2459159.27289 (11/5/2020, 18:32)
    HJDmin: 2459159.27398 +/- 0.00098  
    Heliocentric correction: 0.00109
    Note: 
    CCD+R,exp.8 s,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459159.27289
Error (1 sigma): +0.00103/-0.00094 (Bootstrapping), +0.00068/-0.00069 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI):  +0.00205/-0.00188 (Bootstrapping), +0.00141/-0.00155 (Prayer bead)
LSM: chi^2 = 2953.6, n_freedom = 69
  • P: 2459159.27191 (11/5/2020, 18:31)
    HJDmin: 2459159.27300 +/- 0.00090  
    Heliocentric correction: 0.00109
    Note: 
    CCD+I,exp.10 s. ,comp. HD200270,2x2.

----- EBFit result: -----
Tmin = 2459159.27191
Error (1 sigma): +0.00084/-0.00095 (Bootstrapping), +0.00083/-0.00084 (Prayer bead), +0.00026/-0.00026 (LSM)
Error (95% CI):  +0.00167/-0.00186 (Bootstrapping), +0.00117/-0.00109 (Prayer bead)
LSM: chi^2 = 733.3, n_freedom = 57
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - ER Vul, JD 2459159.23134
Comments