V2687 Cyg (Eclipsing binary)

RA: 19h 51m 44.77s, DE: +37° 40' 15.10" (297.9365416667, 37.6708611104)

8/30/2017, 18:59 - 8/31/2017, 01:46 (UTC)

Data:
  • Observer: Urbaník M.
  • Created: 9/1/2017, 21:35
  • Station: Kysucká hvezdáreň
  • Instrument: SKY-WATCHER NWT 150/750 + MII G2-8300
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
CCD+Clear, exp 60 s,Comp:UCAC4-639-076415
,2x2 bin,used DF,FF.Premenná hviezda V2687 Cyg - UCAC4-639-076274 - TYC 3137-126-1 .
Determined minima
  • P: 2457996.52637 (8/31/2017, 00:37)
    HJDmin: 2457996.52924 +/- 0.00162  
    Heliocentric correction: 0.00287
    Note: 
    CCD+Clear, exp 60 s,Comp:UCAC4-639-076415
,2x2 bin,used DF,FF.Premenná hviezda V2687 Cyg - UCAC4-639-076274 - TYC 3137-126-1 .

----- EBFit result: -----
Tmin = 2457996.52637
Error (1 sigma): +0.00201/-0.00123 (Bootstrapping), +0.00129/-0.00102 (Prayer bead), +0.00109/-0.00109 (LSM)
Error (95% CI):  +0.00343/-0.00289 (Bootstrapping), +0.00237/-0.00138 (Prayer bead)
LSM: chi^2 = 331.8, n_freedom = 134
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V2687 Cyg, JD 2457996.29098
Comments