EL CVn (Eclipsing binary)

RA: 13h 23m 57.00s, DE: +43° 35' 55.00" (200.9874999950, 43.5986111108)

5/18/2020, 19:23 - 5/19/2020, 00:11 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 5/23/2020, 21:26
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER NWT 150/750 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.34 s,comp. UCAC4-669-057297,2x2.
Determined minima
  • P: 2458988.40234 (5/18/2020, 21:39)
    HJDmin: 2458988.40422 +/- 0.00030  
    Heliocentric correction: 0.00188
    Note:
    CCD+V,exp.25 s,comp. HD118722 C,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458988.40234
    Error (1 sigma): +0.00027/-0.00033 (Bootstrapping), +0.00027/-0.00024 (Prayer bead), +0.00014/-0.00014 (LSM)
    Error (95% CI):  +0.00055/-0.00068 (Bootstrapping), +0.00049/-0.00031 (Prayer bead)
    LSM: chi^2 = 401.0, n_freedom = 69
    
  • P: 2458988.40163 (5/18/2020, 21:38)
    HJDmin: 2458988.40351 +/- 0.00042  
    Heliocentric correction: 0.00188
    Note:
    CCD+R,exp.16 s,comp. HD118722 C,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458988.40163
    Error (1 sigma): +0.00040/-0.00043 (Bootstrapping), +0.00037/-0.00043 (Prayer bead), +0.00018/-0.00018 (LSM)
    Error (95% CI):  +0.00082/-0.00080 (Bootstrapping), +0.00077/-0.00057 (Prayer bead)
    LSM: chi^2 = 413.6, n_freedom = 68
    
  • P: 2458988.40090 (5/18/2020, 21:37)
    HJDmin: 2458988.40278 +/- 0.00058  
    Heliocentric correction: 0.00188
    Note:
    CCD+I,exp.20 s,comp. HD118722 C,2x2.
    
    ----- EBFit result: -----
    Tmin = 2458988.40090
    Error (1 sigma): +0.00056/-0.00060 (Bootstrapping), +0.00041/-0.00052 (Prayer bead), +0.00037/-0.00037 (LSM)
    Error (95% CI):  +0.00110/-0.00112 (Bootstrapping), +0.00050/-0.00107 (Prayer bead)
    LSM: chi^2 = 161.4, n_freedom = 69
    
Actions:

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