TW Lac (Eclipsing binary)

RA: 22h 30m 26.27s, DE: +54° 37' 06.40" (337.6094583333, 54.6184444438)

8/3/2022, 19:25 - 8/4/2022, 01:43 (UTC)

Data:
  • Observer: Ladislav Šmelcer
  • Created: 8/31/2022, 10:30
  • Station: Hvězdárna Valašské Meziříčí
  • Instrument: Celestron SCT 355/2460 + MII G2-1600
  • Photometric band: V
  • Time standard: Gjd
  • Brightness in: Mag
Note:
předpověď primárního minima JDhel=24592459795.3670 - 20h48m UT (Mo=55758.5375  per.= 3,037494 dne) - minimum nastalo o 1h08m později
Determined minima
  • P: 2459795.41280 (8/3/2022, 21:54)
    HJDmin: 2459795.41435 +/- 0.00011  
    Heliocentric correction: 0.00155
    Note: 
    
----- EBFit result: -----
Tmin = 2459795.41280
Error (1 sigma): +0.00010/-0.00012 (Bootstrapping), +0.00006/-0.00006 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00020/-0.00021 (Bootstrapping), +0.00012/-0.00009 (Prayer bead)
LSM: chi^2 = 304.7, n_freedom = 67
  • P: 2459795.41234 (8/3/2022, 21:53)
    HJDmin: 2459795.41389 +/- 0.00008  
    Heliocentric correction: 0.00155
    Note: 
    
----- EBFit result: -----
Tmin = 2459795.41234
Error (1 sigma): +0.00007/-0.00008 (Bootstrapping), +0.00007/-0.00005 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI):  +0.00015/-0.00015 (Bootstrapping), +0.00012/-0.00010 (Prayer bead)
LSM: chi^2 = 739.5, n_freedom = 120
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - TW Lac, JD 2459795.30960
Comments