VV UMa (Eclipsing binary)

RA: 09h 38m 06.72s, DE: +56° 01' 07.30" (144.5279999950, 56.0186944438)

4/10/2020, 18:08 - 4/11/2020, 03:00 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 4/11/2020, 19:35
  • 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.34 s,comp. HD83784,2x2.
Determined minima
  • P: 2458950.38671 (4/10/2020, 21:16)
    HJDmin: 2458950.38783 +/- 0.00018  
    Heliocentric correction: 0.00112
    Note:
    CCD+B,exp.34 s,comp. HD83784,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458950.38671
    Error (1 sigma): +0.00019/-0.00017 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00009/-0.00009 (LSM)
    Error (95% CI):  +0.00036/-0.00037 (Bootstrapping), +0.00008/-0.00007 (Prayer bead)
    LSM: chi^2 = 183.6, n_freedom = 56
    
  • P: 2458950.38666 (4/10/2020, 21:16)
    HJDmin: 2458950.38778 +/- 0.00016  
    Heliocentric correction: 0.00112
    Note:
    CCD+V,exp.28 s,comp. HD83784,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458950.38666
    Error (1 sigma): +0.00017/-0.00016 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00014/-0.00014 (LSM)
    Error (95% CI):  +0.00035/-0.00031 (Bootstrapping), +0.00007/-0.00009 (Prayer bead)
    LSM: chi^2 = 88.2, n_freedom = 61
    
  • P: 2458950.38680 (4/10/2020, 21:16)
    HJDmin: 2458950.38792 +/- 0.00018  
    Heliocentric correction: 0.00112
    Note:
    CCD+R,exp.16 s,comp. HD83784,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458950.38680
    Error (1 sigma): +0.00018/-0.00019 (Bootstrapping), +0.00010/-0.00008 (Prayer bead), +0.00015/-0.00015 (LSM)
    Error (95% CI):  +0.00034/-0.00036 (Bootstrapping), +0.00016/-0.00019 (Prayer bead)
    LSM: chi^2 = 99.0, n_freedom = 67
    
  • P: 2458950.38605 (4/10/2020, 21:15)
    HJDmin: 2458950.38717 +/- 0.00027  
    Heliocentric correction: 0.00112
    Note:
    CCD+I,exp.24 s,comp. HD83784,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458950.38605
    Error (1 sigma): +0.00028/-0.00027 (Bootstrapping), +0.00007/-0.00006 (Prayer bead), +0.00020/-0.00020 (LSM)
    Error (95% CI):  +0.00055/-0.00052 (Bootstrapping), +0.00011/-0.00016 (Prayer bead)
    LSM: chi^2 = 124.0, n_freedom = 64
    
Actions:

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