BV Dra

RA: 15h 11m 50.36s, DE: +61° 51' 25.30" (227.9598333283, 61.8570277778)

6/14/2023, 8:17 PM - 6/14/2023, 11:52 PM (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 6/15/2023 1:23:55 PM
  • Station: Kysucká hvezdáreň
  • Instrument: MEGREZ 88 FD 88/498 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.30 s., comp. HD134825.
Determined minima
  • P: 2460110.44257 (6/14/2023, 22:37)
    HJDmin: 2460110.44260
    Heliocentric correction: 0.00003
    Note:
    CCD+B,exp.30 s., comp. HD134825.
    
    ----- EBFit result: -----
    Tmin = 2460110.44257
    Error (1 sigma): +0.00018/-0.00018 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00009/-0.00009 (LSM)
    Error (95% CI):  +0.00037/-0.00034 (Bootstrapping), +0.00015/-0.00025 (Prayer bead)
    LSM: chi^2 = 251.5, n_freedom = 54
    
  • P: 2460110.44461 (6/14/2023, 22:40)
    HJDmin: 2460110.44464
    Heliocentric correction: 0.00003
    Note:
    CCD+V,exp.20 s., comp. HD134825.
    
    ----- EBFit result: -----
    Tmin = 2460110.44461
    Error (1 sigma): +0.00022/-0.00022 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00005/-0.00005 (LSM)
    Error (95% CI):  +0.00046/-0.00044 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
    LSM: chi^2 = 1083.4, n_freedom = 60
    
  • P: 2460110.44398 (6/14/2023, 22:39)
    HJDmin: 2460110.44401
    Heliocentric correction: 0.00003
    Note:
    CCD+R,exp.10 s., comp. HD134825.
    
    ----- EBFit result: -----
    Tmin = 2460110.44398
    Error (1 sigma): +0.00019/-0.00020 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00005/-0.00005 (LSM)
    Error (95% CI):  +0.00036/-0.00040 (Bootstrapping), +0.00007/-0.00006 (Prayer bead)
    LSM: chi^2 = 1120.2, n_freedom = 56
    
  • P: 2460110.44392 (6/14/2023, 22:39)
    HJDmin: 2460110.44395
    Heliocentric correction: 0.00003
    Note:
    CCD+I,exp.10 s., comp. HD134825.
    
    ----- EBFit result: -----
    Tmin = 2460110.44392
    Error (1 sigma): +0.00023/-0.00023 (Bootstrapping), +0.00006/-0.00005 (Prayer bead), +0.00006/-0.00006 (LSM)
    Error (95% CI):  +0.00048/-0.00041 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
    LSM: chi^2 = 1008.8, n_freedom = 58
    
Actions:

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