TW Lac (Eclipsing binary)

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

11/2/2014, 19:58 - 11/3/2014, 00:01 (UTC)

Data:

  • Observer: Ladislav Šmelcer
  • Created: 11/5/2014, 09:23
  • Station: Hvězdárna Valašské Meziříčí
  • Instrument: Celestron 280/1765 + CCD G2 4000
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
předpověď primárního minima JDhel=2456964.4227 - 22h08m UT (Mo=55758.5375  per.=3.037494 dne) - minimum nastalo o 24 min později
Determined minima
  • P: 2456964.43894 (11/2/2014, 22:32)
    HJDmin: 2456964.44172 +/- 0.00028  
    Heliocentric correction: 0.00278
    Note:
    
    ----- EBFit result: -----
    Tmin = 2456964.43894
    Error (1 sigma): +0.00026/-0.00029 (Bootstrapping), +0.00060/-0.00109 (Prayer bead), +0.00027/-0.00027 (LSM)
    Error (95% CI):  +0.00052/-0.00053 (Bootstrapping), +0.00164/-0.00159 (Prayer bead)
    LSM: chi^2 = 30.1, n_freedom = 29
    
  • P: 2456964.43989 (11/2/2014, 22:33)
    HJDmin: 2456964.44267 +/- 0.00059  
    Heliocentric correction: 0.00278
    Note:
    
    ----- EBFit result: -----
    Tmin = 2456964.43989
    Error (1 sigma): +0.00056/-0.00063 (Bootstrapping), +0.00036/-0.00038 (Prayer bead), +0.00073/-0.00073 (LSM)
    Error (95% CI):  +0.00117/-0.00120 (Bootstrapping), +0.00060/-0.00067 (Prayer bead)
    LSM: chi^2 = 18.6, n_freedom = 26
    
  • P: 2456964.43811 (11/2/2014, 22:30)
    HJDmin: 2456964.44089 +/- 0.00013  
    Heliocentric correction: 0.00278
    Note:
    
    ----- EBFit result: -----
    Tmin = 2456964.43811
    Error (1 sigma): +0.00012/-0.00014 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00014/-0.00014 (LSM)
    Error (95% CI):  +0.00027/-0.00026 (Bootstrapping), +0.00018/-0.00011 (Prayer bead)
    LSM: chi^2 = 15.0, n_freedom = 22
    
Actions:

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