XY UMa (Eclipsing binary)

RA: 09h 09m 55.94s, DE: +54° 29' 17.70" (137.4830833333, 54.4882499997)

4/29/2024, 18:43 - 4/29/2024, 22:00 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 5/2/2024, 11:34
  • Station: Kysucká hvezdáreň
  • Instrument: MEGREZ 88 FD 88/498 + MII G2-8300
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+B,exp.50 s., comp. UCAC4-723-049763.
Determined minima
  • P: 2460430.35678 (4/29/2024, 20:33)
    HJDmin: 2460430.35612 +/- 0.00026  
    Heliocentric correction: -0.00066
    Note: 
    CCD+B,exp.50 s., comp. UCAC4-723-049763.

----- EBFit result: -----
Tmin = 2460430.35678
Error (1 sigma): +0.00025/-0.00027 (Bootstrapping), +0.00007/-0.00011 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00057/-0.00050 (Bootstrapping), +0.00021/-0.00020 (Prayer bead)
LSM: chi^2 = 128.2, n_freedom = 28
  • P: 2460430.35596 (4/29/2024, 20:32)
    HJDmin: 2460430.35530 +/- 0.00018  
    Heliocentric correction: -0.00066
    Note: 
    CCD+V,exp.36 s., comp. UCAC4-723-049763.

----- EBFit result: -----
Tmin = 2460430.35596
Error (1 sigma): +0.00017/-0.00019 (Bootstrapping), +0.00008/-0.00007 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00036/-0.00038 (Bootstrapping), +0.00012/-0.00010 (Prayer bead)
LSM: chi^2 = 100.0, n_freedom = 28
  • P: 2460430.35537 (4/29/2024, 20:31)
    HJDmin: 2460430.35471 +/- 0.00016  
    Heliocentric correction: -0.00066
    Note: 
    CCD+R,exp.24 s., comp. UCAC4-723-049763.

----- EBFit result: -----
Tmin = 2460430.35537
Error (1 sigma): +0.00018/-0.00015 (Bootstrapping), +0.00006/-0.00005 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00034/-0.00029 (Bootstrapping), +0.00012/-0.00010 (Prayer bead)
LSM: chi^2 = 100.5, n_freedom = 32
  • P: 2460430.35501 (4/29/2024, 20:31)
    HJDmin: 2460430.35435 +/- 0.00026  
    Heliocentric correction: -0.00066
    Note: 
    CCD+I,exp.28 s., comp. UCAC4-723-049763.

----- EBFit result: -----
Tmin = 2460430.35501
Error (1 sigma): +0.00027/-0.00024 (Bootstrapping), +0.00012/-0.00009 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI):  +0.00049/-0.00051 (Bootstrapping), +0.00018/-0.00019 (Prayer bead)
LSM: chi^2 = 100.4, n_freedom = 30
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - XY UMa, JD 2460430.28000
Comments