HS 2231+2441 (Eclipsing binary)

RA: 22h 34m 21.45s, DE: +24° 56' 57.70" (338.5893749900, 24.9493611108)

11/14/2012, 16:18 - 11/14/2012, 20:16 (UTC)

Data:

  • Observer: Ladislav Šmelcer
  • Created: 11/15/2012, 20:16
  • Station: Hvězdárna Valašské Meziříčí
  • Instrument: Celestron 280/1765 + CCD ST7
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
pozorování primárního minima JDg=2456246.22430 (±0.00015) - 17h22m59s UT
Determined minima
  • P: 2456246.22430 (11/14/2012, 17:22)
    HJDmin: 2456246.22681 +/- 0.00015  
    Heliocentric correction: 0.00251
    Note:
    VSX (HS 2231+2441)
    
    ----- EBFit result: -----
    Tmin = 2456246.22430
    Error (1 sigma): +0.00018/-0.00012 (Bootstrapping), +0.00009/-0.00010 (Prayer bead), +0.00015/-0.00015 (LSM)
    Error (95% CI):  +0.00044/-0.00020 (Bootstrapping), +0.00010/-0.00018 (Prayer bead)
    LSM: chi^2 = 10.8, n_freedom = 18
    
  • S: 2456246.28294 (11/14/2012, 18:47)
    HJDmin: 2456246.28545 +/- 0.00068  
    Heliocentric correction: 0.00251
    Note:
    VSX (HS 2231+2441)
    
    ----- EBFit result: -----
    Tmin = 2456246.28294
    Error (1 sigma): +0.00064/-0.00071 (Bootstrapping), +0.00031/-0.00111 (Prayer bead), +0.00146/-0.00146 (LSM)
    Error (95% CI):  +0.00228/-0.00147 (Bootstrapping), +0.00082/-0.00199 (Prayer bead)
    LSM: chi^2 = 6.3, n_freedom = 15
    
  • P: 2456246.33481 (11/14/2012, 20:02)
    HJDmin: 2456246.33732 +/- 0.00017  
    Heliocentric correction: 0.00251
    Note:
    VSX (HS 2231+2441)
    
    ----- EBFit result: -----
    Tmin = 2456246.33481
    Error (1 sigma): +0.00016/-0.00017 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00018/-0.00018 (LSM)
    Error (95% CI):  +0.00036/-0.00035 (Bootstrapping), +0.00013/-0.00013 (Prayer bead)
    LSM: chi^2 = 11.9, n_freedom = 15
    
Actions:

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