V0456 Oph (Eclipsing binary)

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

7/4/2020, 20:36 - 7/5/2020, 01:14 (UTC)

Data:

Note:
CCD+B,exp.70 s,comp. UCAC4-495-0936683,2x2.
Determined minima
  • P: 2459035.43590 (7/4/2020, 22:27)
    HJDmin: 2459035.44089 +/- 0.00019  
    Heliocentric correction: 0.00499
    Note:
    CCD+V,exp.50 s,comp. UCAC4-495-0936683,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459035.43590
    Error (1 sigma): +0.00019/-0.00019 (Bootstrapping), +0.00007/-0.00009 (Prayer bead), +0.00014/-0.00014 (LSM)
    Error (95% CI):  +0.00041/-0.00036 (Bootstrapping), +0.00009/-0.00016 (Prayer bead)
    LSM: chi^2 = 50.1, n_freedom = 24
    
  • P: 2459035.43583 (7/4/2020, 22:27)
    HJDmin: 2459035.44082 +/- 0.00025  
    Heliocentric correction: 0.00499
    Note:
    CCD+R,exp.35 s,comp. UCAC4-495-0936683,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459035.43583
    Error (1 sigma): +0.00023/-0.00027 (Bootstrapping), +0.00006/-0.00007 (Prayer bead), +0.00009/-0.00009 (LSM)
    Error (95% CI):  +0.00050/-0.00051 (Bootstrapping), +0.00019/-0.00015 (Prayer bead)
    LSM: chi^2 = 224.8, n_freedom = 26
    
  • P: 2459035.43594 (7/4/2020, 22:27)
    HJDmin: 2459035.44093 +/- 0.00039  
    Heliocentric correction: 0.00499
    Note:
    CCD+I,exp.42 s,comp. UCAC4-495-0936683,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459035.43594
    Error (1 sigma): +0.00037/-0.00040 (Bootstrapping), +0.00012/-0.00012 (Prayer bead), +0.00018/-0.00018 (LSM)
    Error (95% CI):  +0.00066/-0.00082 (Bootstrapping), +0.00038/-0.00026 (Prayer bead)
    LSM: chi^2 = 99.1, n_freedom = 26
    
  • P: 2459035.43570 (7/4/2020, 22:27)
    HJDmin: 2459035.44069 +/- 0.00039  
    Heliocentric correction: 0.00499
    Note:
    CCD+B,exp.70 s,comp. UCAC4-495-0936683,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459035.43570
    Error (1 sigma): +0.00041/-0.00037 (Bootstrapping), +0.00008/-0.00011 (Prayer bead), +0.00030/-0.00030 (LSM)
    Error (95% CI):  +0.00081/-0.00074 (Bootstrapping), +0.00021/-0.00022 (Prayer bead)
    LSM: chi^2 = 29.1, n_freedom = 18
    
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments