V0456 Oph (Eclipsing binary)

RA: 18h 43m 05.82s, DE: +08° 50' 23.30" (280.7742499900, 8.8398055552)

7/5/2020, 20:58 - 7/6/2020, 01:25 (UTC)

Data:
Note:
CCD+B,exp.70 s,comp. UCAC4-495-0936683,2x2.
Determined minima
  • P: 2459036.45161 (7/5/2020, 22:50)
    HJDmin: 2459036.45660 +/- 0.00011  
    Heliocentric correction: 0.00499
    Note: 
    CCD+V,exp.50 s,comp. UCAC4-495-0936683,2x2.

----- EBFit result: -----
Tmin = 2459036.45161
Error (1 sigma): +0.00011/-0.00011 (Bootstrapping), +0.00006/-0.00003 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00022/-0.00022 (Bootstrapping), +0.00016/-0.00010 (Prayer bead)
LSM: chi^2 = 45.5, n_freedom = 28
  • P: 2459036.45182 (7/5/2020, 22:50)
    HJDmin: 2459036.45681 +/- 0.00016  
    Heliocentric correction: 0.00499
    Note: 
    CCD+R,exp.35 s,comp. UCAC4-495-0936683,2x2.

----- EBFit result: -----
Tmin = 2459036.45182
Error (1 sigma): +0.00015/-0.00016 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00029/-0.00030 (Bootstrapping), +0.00007/-0.00006 (Prayer bead)
LSM: chi^2 = 133.8, n_freedom = 33
  • P: 2459036.45211 (7/5/2020, 22:51)
    HJDmin: 2459036.45710 +/- 0.00022  
    Heliocentric correction: 0.00499
    Note: 
    CCD+I,exp.42 s,comp. UCAC4-495-0936683,2x2.

----- EBFit result: -----
Tmin = 2459036.45211
Error (1 sigma): +0.00023/-0.00021 (Bootstrapping), +0.00007/-0.00009 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI):  +0.00044/-0.00045 (Bootstrapping), +0.00014/-0.00016 (Prayer bead)
LSM: chi^2 = 74.9, n_freedom = 30
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0456 Oph, JD 2459036.37396
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