EX Leo (Eclipsing binary)

RA: 10h 45m 06.77s, DE: +16° 20' 15.70" (161.2782083333, 16.3376944441)

3/10/2021, 17:29 - 3/11/2021, 01:36 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 3/11/2021, 11:18
  • 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.50 s,comp. HD93430,2x2.
Determined minima
  • P: 2459284.29417 (3/10/2021, 19:03)
    HJDmin: 2459284.29969 +/- 0.00065  
    Heliocentric correction: 0.00552
    Note: 
    CCD+B,exp.50 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.29417
Error (1 sigma): +0.00064/-0.00066 (Bootstrapping), +0.00016/-0.00012 (Prayer bead), +0.00031/-0.00031 (LSM)
Error (95% CI):  +0.00127/-0.00135 (Bootstrapping), +0.00026/-0.00016 (Prayer bead)
LSM: chi^2 = 144.0, n_freedom = 38
  • S: 2459284.49650 (3/10/2021, 23:54)
    HJDmin: 2459284.50201 +/- 0.00032  
    Heliocentric correction: 0.00551
    Note: 
    CCD+B,exp.50 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.49650
Error (1 sigma): +0.00031/-0.00033 (Bootstrapping), +0.00036/-0.00028 (Prayer bead), +0.00026/-0.00026 (LSM)
Error (95% CI):  +0.00064/-0.00067 (Bootstrapping), +0.00053/-0.00036 (Prayer bead)
LSM: chi^2 = 106.5, n_freedom = 46
  • P: 2459284.29374 (3/10/2021, 19:02)
    HJDmin: 2459284.29926 +/- 0.00056  
    Heliocentric correction: 0.00552
    Note: 
    CCD+V,exp.30 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.29374
Error (1 sigma): +0.00047/-0.00066 (Bootstrapping), +0.00027/-0.00044 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI):  +0.00102/-0.00117 (Bootstrapping), +0.00036/-0.00067 (Prayer bead)
LSM: chi^2 = 479.4, n_freedom = 61
  • S: 2459284.49694 (3/10/2021, 23:55)
    HJDmin: 2459284.50245 +/- 0.00035  
    Heliocentric correction: 0.00551
    Note: 
    CCD+V,exp.30 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.49694
Error (1 sigma): +0.00052/-0.00019 (Bootstrapping), +0.00046/-0.00016 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI):  +0.00084/-0.00050 (Bootstrapping), +0.00058/-0.00042 (Prayer bead)
LSM: chi^2 = 382.4, n_freedom = 74
  • P: 2459284.29379 (3/10/2021, 19:03)
    HJDmin: 2459284.29931 +/- 0.00066  
    Heliocentric correction: 0.00552
    Note: 
    CCD+R,exp.20 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.29379
Error (1 sigma): +0.00063/-0.00068 (Bootstrapping), +0.00023/-0.00042 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI):  +0.00119/-0.00123 (Bootstrapping), +0.00038/-0.00062 (Prayer bead)
LSM: chi^2 = 357.0, n_freedom = 57
  • S: 2459284.49742 (3/10/2021, 23:56)
    HJDmin: 2459284.50293 +/- 0.00000  
    Heliocentric correction: 0.00551
    Note: 
    CCD+R,exp.20 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.49742
Error (1 sigma): +0.00000/0.00000 (Bootstrapping), +0.00000/0.00000 (Prayer bead), +0.00000/-0.00000 (LSM)
Error (95% CI):  +0.00000/0.00000 (Bootstrapping), +0.00000/0.00000 (Prayer bead)
LSM: chi^2 = 15102.6, n_freedom = 65
  • P: 2459284.29248 (3/10/2021, 19:01)
    HJDmin: 2459284.29800 +/- 0.00065  
    Heliocentric correction: 0.00552
    Note: 
    CCD+I,exp.24 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.29248
Error (1 sigma): +0.00064/-0.00065 (Bootstrapping), +0.00026/-0.00022 (Prayer bead), +0.00035/-0.00035 (LSM)
Error (95% CI):  +0.00132/-0.00132 (Bootstrapping), +0.00040/-0.00038 (Prayer bead)
LSM: chi^2 = 207.4, n_freedom = 56
  • S: 2459284.49698 (3/10/2021, 23:55)
    HJDmin: 2459284.50249 +/- 0.00053  
    Heliocentric correction: 0.00551
    Note: 
    CCD+I,exp.24 s,comp. HD93430,2x2.

----- EBFit result: -----
Tmin = 2459284.49698
Error (1 sigma): +0.00052/-0.00055 (Bootstrapping), +0.00025/-0.00021 (Prayer bead), +0.00029/-0.00029 (LSM)
Error (95% CI):  +0.00109/-0.00107 (Bootstrapping), +0.00038/-0.00046 (Prayer bead)
LSM: chi^2 = 203.3, n_freedom = 62
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EX Leo, JD 2459284.22877
Comments