G4169.00107 (Eclipsing binary)

RA: 13h 07m 20.98s, DE: +65° 06' 46.30" (196.8374166567, 65.1128611111)

4/30/2017, 19:21 - 5/1/2017, 01:55 (UTC)

Data:

  • Observer: Martin Lehky
  • Created: 5/17/2017, 13:06
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: HK25, NWT 250/1000 + SBIG ST-7 + BVRcIc
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
GENERATED FROM MINIMUM id=363287
Determined minima
  • S: 2457874.32324 (4/30/2017, 19:45)
    HJDmin: 2457874.32407 +/- 0.00041  
    Heliocentric correction: 0.00083
    Note:
    # NAME NSVS 2690221 Dra
    # VAR 13:07:21.02 +65:06:45.9 2456683.5782 0.30123 13.8V (0.50)Rc EW (VSX 20170501)
    # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
    # FLT Rc
    # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
    # NOTE 30 IV / 01 V 2017; Rc_240_90s (227); 6.7h; minimum S, maximum, minimum P, maximum
    # NOTE 2457874.32251 +/- 0.00071; 20170430 19:44:25 (UT) GEO
    # NOTE 2457874.47836 +/- 0.00032; 20170430 23:28:50 (UT) GEO
    # COND clear weather
    
    ----- EBFit result: -----
    Tmin = 2457874.32324
    Error (1 sigma): +0.00043/-0.00039 (Bootstrapping), +0.00021/-0.00021 (Prayer bead), +0.00090/-0.00090 (LSM)
    Error (95% CI):  +0.00105/-0.00102 (Bootstrapping), +0.00036/-0.00056 (Prayer bead)
    LSM: chi^2 = 19.8, n_freedom = 33
    
Actions:

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