GR Boo (Eclipsing binary)

RA: 14h 59m 54.50s, DE: +25° 54' 34.00" (224.9770833283, 25.9094444444)

3/31/2019, 00:52 - 3/31/2019, 03:40 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 4/11/2019, 12:02
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: HK25, NWT 250/1000 + SBIG ST-7 + Rc
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
GENERATED FROM MINIMUM id=13113
Determined minima
  • P: 2458573.59909 (3/31/2019, 02:22)
    HJDmin: 2458573.60313 +/- 0.00016  
    Heliocentric correction: 0.00404
    Note: 
    # NAME GR Boo
# VAR 14:59:54.55 +25:54:33.6 2451996.584 0.37667 11.45-11.9 EW (VSX 20190404)
# 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 30/31 III 2019; Rc_155_60s (136/72); 2.8h; minimum P
# NOTE 2458573.59908 +/- 0.00012; 20190331 02:22:41 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2458573.59909
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00015/-0.00010 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00033/-0.00032 (Bootstrapping), +0.00018/-0.00012 (Prayer bead)
LSM: chi^2 = 203.2, n_freedom = 131
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - GR Boo, JD 2458573.53673
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