GR Boo (Eclipsing binary)

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

7/2/2018, 20:35 - 7/2/2018, 22:29 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 8/5/2018, 13:46
  • 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=11442
Determined minima
  • P: 2458302.40106 (7/2/2018, 21:37)
    HJDmin: 2458302.40270 +/- 0.00016  
    Heliocentric correction: 0.00164
    Note: 
    # NAME GR Boo
# VAR 14:59:54.55 +25:54:33.6 2451996.584 0.37667 11.45-11.9 EW (VSX 20180704)
# 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 02/03 VII 2018; Rc_106_60s (104/56); 1.9h; minimum P
# NOTE 2458302.40107 +/- 0.00015; 20180702 21:37:32 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2458302.40106
Error (1 sigma): +0.00017/-0.00015 (Bootstrapping), +0.00010/-0.00009 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI):  +0.00033/-0.00032 (Bootstrapping), +0.00021/-0.00011 (Prayer bead)
LSM: chi^2 = 134.9, n_freedom = 99
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - GR Boo, JD 2458302.35820
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