HU Tau (Eclipsing binary)

RA: 04h 38m 15.83s, DE: +20° 41' 05.00" (69.5659583283, 20.6847222219)

3/5/2020, 17:16 - 3/5/2020, 21:33 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 3/6/2020, 10:33
  • 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.16 s,comp. HD29103,2x2 bin.
Determined minima
  • P: 2458914.29622 (3/5/2020, 19:06)
    HJDmin: 2458914.29574 +/- 0.00060  
    Heliocentric correction: -0.00048
    Note:
    CCD+B,exp.16 s,comp. HD29103,2x2 bin.
    
    ----- EBFit result: -----
    Tmin = 2458914.29622
    Error (1 sigma): +0.00046/-0.00073 (Bootstrapping), +0.00070/-0.00039 (Prayer bead), +0.00013/-0.00013 (LSM)
    Error (95% CI):  +0.00104/-0.00147 (Bootstrapping), +0.00088/-0.00080 (Prayer bead)
    LSM: chi^2 = 933.9, n_freedom = 37
    
  • P: 2458914.29915 (3/5/2020, 19:10)
    HJDmin: 2458914.29867 +/- 0.00027  
    Heliocentric correction: -0.00048
    Note:
    CCD+V,exp.12 s,comp. HD29103,2x2 bin.
    
    ----- EBFit result: -----
    Tmin = 2458914.29915
    Error (1 sigma): +0.00026/-0.00027 (Bootstrapping), +0.00015/-0.00012 (Prayer bead), +0.00004/-0.00004 (LSM)
    Error (95% CI):  +0.00050/-0.00055 (Bootstrapping), +0.00034/-0.00025 (Prayer bead)
    LSM: chi^2 = 6993.2, n_freedom = 148
    
  • P: 2458914.29883 (3/5/2020, 19:10)
    HJDmin: 2458914.29835 +/- 0.00044  
    Heliocentric correction: -0.00048
    Note:
    CCD+R,exp.7 s. ,comp. HD29103,2x2 bin.
    
    ----- EBFit result: -----
    Tmin = 2458914.29883
    Error (1 sigma): +0.00044/-0.00043 (Bootstrapping), +0.00021/-0.00021 (Prayer bead), +0.00005/-0.00005 (LSM)
    Error (95% CI):  +0.00086/-0.00080 (Bootstrapping), +0.00038/-0.00024 (Prayer bead)
    LSM: chi^2 = 7915.1, n_freedom = 131
    
  • P: 2458914.29745 (3/5/2020, 19:08)
    HJDmin: 2458914.29697 +/- 0.00043  
    Heliocentric correction: -0.00048
    Note:
    CCD+I,exp.10 s,comp. HD29103,2x2 bin.
    
    ----- EBFit result: -----
    Tmin = 2458914.29745
    Error (1 sigma): +0.00045/-0.00042 (Bootstrapping), +0.00023/-0.00017 (Prayer bead), +0.00007/-0.00007 (LSM)
    Error (95% CI):  +0.00092/-0.00088 (Bootstrapping), +0.00040/-0.00045 (Prayer bead)
    LSM: chi^2 = 4146.6, n_freedom = 128
    
Actions:

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