TW Cas (Eclipsing binary)

RA: 02h 45m 54.82s, DE: +65° 43' 35.00" (41.4784166667, 65.7263888882)

2/8/2020, 16:57 - 2/8/2020, 21:23 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 2/10/2020, 18:59 UTC
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER REF 80/520 + MII G2-8300
  • Photometric band: V
  • Time standard: GJD
  • Brightness in: Mag
Note:
CCD+V,exp.38 s,comp. BD+65 284,2x2 bin.
Determined minima
  • P: 2458888.33850 (2/8/2020, 20:07 UTC)
    HJDmin: 2458888.33942 +/- 0.00020  
    Heliocentric correction: 0.00092
    Note: 
    CCD+V,exp.38 s,comp. BD+65 284,2x2 bin.

----- EBFit result: -----
Tmin = 2458888.33850
Error (1 sigma): +0.00018/-0.00022 (Bootstrapping), +0.00017/-0.00014 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00034/-0.00042 (Bootstrapping), +0.00038/-0.00022 (Prayer bead)
LSM: chi^2 = 128.0, n_freedom = 40
  • P: 2458888.33845 (2/8/2020, 20:07 UTC)
    HJDmin: 2458888.33937 +/- 0.00019  
    Heliocentric correction: 0.00092
    Note: 
    CCD+V,exp.24 s,comp. BD+65 284,2x2 bin.

----- EBFit result: -----
Tmin = 2458888.33845
Error (1 sigma): +0.00017/-0.00022 (Bootstrapping), +0.00020/-0.00015 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00037/-0.00041 (Bootstrapping), +0.00044/-0.00025 (Prayer bead)
LSM: chi^2 = 124.9, n_freedom = 39
  • P: 2458888.33838 (2/8/2020, 20:07 UTC)
    HJDmin: 2458888.33930 +/- 0.00022  
    Heliocentric correction: 0.00092
    Note: 
    CCD+V,exp.38 s,comp. HD16036,2x2 bin.

----- EBFit result: -----
Tmin = 2458888.33838
Error (1 sigma): +0.00021/-0.00024 (Bootstrapping), +0.00016/-0.00016 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00038/-0.00047 (Bootstrapping), +0.00048/-0.00024 (Prayer bead)
LSM: chi^2 = 123.2, n_freedom = 38
Actions:
Light curve
Field identification - Star field chart
Chart - TW Cas, JD 2458888.20661
Field identification - Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

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