EX Leo (Eclipsing binary)

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

4/4/2020, 18:36 - 4/4/2020, 21:46 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 4/6/2020, 20:40
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER REF 80/520 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.40 s,comp. HD93328,2x2.
Determined minima
  • P: 2458944.33747 (4/4/2020, 20:05)
    HJDmin: 2458944.34192 +/- 0.00041  
    Heliocentric correction: 0.00445
    Note: 
    CCD+B,exp.40 s,comp. HD93328,2x2.

----- EBFit result: -----
Tmin = 2458944.33747
Error (1 sigma): +0.00043/-0.00040 (Bootstrapping), +0.00017/-0.00016 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI):  +0.00086/-0.00082 (Bootstrapping), +0.00028/-0.00022 (Prayer bead)
LSM: chi^2 = 129.3, n_freedom = 45
  • P: 2458944.33765 (4/4/2020, 20:06)
    HJDmin: 2458944.34210 +/- 0.00046  
    Heliocentric correction: 0.00445
    Note: 
    CCD+V,exp.28 s,comp. HD93328,2x2.

----- EBFit result: -----
Tmin = 2458944.33765
Error (1 sigma): +0.00039/-0.00052 (Bootstrapping), +0.00047/-0.00047 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI):  +0.00079/-0.00097 (Bootstrapping), +0.00058/-0.00082 (Prayer bead)
LSM: chi^2 = 337.1, n_freedom = 47
  • P: 2458944.33684 (4/4/2020, 20:05)
    HJDmin: 2458944.34129 +/- 0.00079  
    Heliocentric correction: 0.00445
    Note: 
    CCD+R,exp.20 s,comp.UCAC4-530-052008,2x2.

----- EBFit result: -----
Tmin = 2458944.33684
Error (1 sigma): +0.00079/-0.00080 (Bootstrapping), +0.00061/-0.00053 (Prayer bead), +0.00057/-0.00057 (LSM)
Error (95% CI):  +0.00160/-0.00154 (Bootstrapping), +0.00087/-0.00077 (Prayer bead)
LSM: chi^2 = 96.0, n_freedom = 45
  • P: 2458944.34039 (4/4/2020, 20:10)
    HJDmin: 2458944.34484 +/- 0.00117  
    Heliocentric correction: 0.00445
    Note: 
    CCD+I,exp.25 s,comp.UCAC4-530-052008,2x2.

----- EBFit result: -----
Tmin = 2458944.34039
Error (1 sigma): +0.00123/-0.00112 (Bootstrapping), +0.00109/-0.00076 (Prayer bead), +0.00084/-0.00084 (LSM)
Error (95% CI):  +0.00244/-0.00243 (Bootstrapping), +0.00175/-0.00137 (Prayer bead)
LSM: chi^2 = 109.2, n_freedom = 57
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EX Leo, JD 2458944.27537
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