GU Boo (Eclipsing binary, Eruptive variable)

RA: 15h 21m 54.80s, DE: +33° 56' 10.00" (230.4783333333, 33.9361111108)

4/22/2023, 19:50 - 4/23/2023, 02:52 (UTC)

Data:
  • Observer: Ladislav Šmelcer
  • Created: 4/26/2023, 10:21
  • Station: Hvězdárna Valašské Meziříčí
  • Instrument: Sky-Watcher NWT 200/800 + MII C2-7000A
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
předpověď primárního minima JDhel=2460057.3756 - 21h00m UT (Mo=51275.875  per.= 0.48873 dne) - minimum nastalo o 3m40s dříve
Determined minima
  • P: 2460057.36872 (4/22/2023, 20:50)
    HJDmin: 2460057.37245 +/- 0.00006  
    Heliocentric correction: 0.00373
    Note: 
    
----- EBFit result: -----
Tmin = 2460057.36872
Error (1 sigma): +0.00005/-0.00006 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI):  +0.00011/-0.00011 (Bootstrapping), +0.00004/-0.00006 (Prayer bead)
LSM: chi^2 = 75.4, n_freedom = 82
  • S: 2460057.61263 (4/23/2023, 02:42)
    HJDmin: 2460057.61636 +/- 0.00041  
    Heliocentric correction: 0.00373
    Note: 
    
----- EBFit result: -----
Tmin = 2460057.61263
Error (1 sigma): +0.00031/-0.00050 (Bootstrapping), +0.00014/-0.00019 (Prayer bead), +0.00048/-0.00048 (LSM)
Error (95% CI):  +0.00081/-0.00084 (Bootstrapping), +0.00025/-0.00048 (Prayer bead)
LSM: chi^2 = 18.6, n_freedom = 15
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - GU Boo, JD 2460057.32670
Comments