HR UMa (Eclipsing binary)

RA: 11h 32m 52.98s, DE: +55° 25' 06.70" (173.2207499950, 55.4185277771)

3/28/2022, 17:51 - 3/28/2022, 21:49 (UTC)

Data:

  • Observer: Urbaník M.
  • Created: 4/6/2022, 22:19
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER ED 80/520 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.50s., comp. UCAC4-727-047062,2x2.
Determined minima
  • P: 2459667.30144 (3/28/2022, 19:14)
    HJDmin: 2459667.30434 +/- 0.00057  
    Heliocentric correction: 0.00290
    Note:
    CCD+B,exp.50s., comp. UCAC4-727-047062,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459667.30144
    Error (1 sigma): +0.00060/-0.00054 (Bootstrapping), +0.00037/-0.00040 (Prayer bead), +0.00050/-0.00050 (LSM)
    Error (95% CI):  +0.00125/-0.00103 (Bootstrapping), +0.00061/-0.00095 (Prayer bead)
    LSM: chi^2 = 59.7, n_freedom = 32
    
  • P: 2459667.29988 (3/28/2022, 19:11)
    HJDmin: 2459667.30278 +/- 0.00214  
    Heliocentric correction: 0.00290
    Note:
    CCD+V,exp.30s., comp. UCAC4-727-047062,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459667.29988
    Error (1 sigma): +0.00255/-0.00173 (Bootstrapping), +0.00245/-0.00199 (Prayer bead), +0.00044/-0.00044 (LSM)
    Error (95% CI):  +0.00668/-0.00321 (Bootstrapping), +0.00441/-0.00338 (Prayer bead)
    LSM: chi^2 = 297.8, n_freedom = 36
    
  • P: 2459667.30137 (3/28/2022, 19:13)
    HJDmin: 2459667.30427 +/- 0.00154  
    Heliocentric correction: 0.00290
    Note:
    CCD+R,exp.20s., comp. UCAC4-727-047062,2x2.
    
    ----- EBFit result: -----
    Tmin = 2459667.30137
    Error (1 sigma): +0.00154/-0.00153 (Bootstrapping), +0.00058/-0.00048 (Prayer bead), +0.00051/-0.00051 (LSM)
    Error (95% CI):  +0.00304/-0.00283 (Bootstrapping), +0.00094/-0.00091 (Prayer bead)
    LSM: chi^2 = 238.3, n_freedom = 32
    
Actions:

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