EF Boo (Eclipsing binary)

RA: 14h 32m 30.57s, DE: +50° 49' 41.00" (218.1273749950, 50.8280555549)

7/2/2018, 22:41 - 7/3/2018, 01:03 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 8/5/2018, 13:47
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + Rc
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME EF Boo
# VAR 14:32:30.54 +50:49:40.7 2448500.302 0.420512 9.43-10.00Hp 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_313_20s (297/179); 2.3h; minimum P
# NOTE 2458302.50855 +/- 0.00006; 20180703 00:12:19 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2458302.50856 (7/3/2018, 00:12)
    HJDmin: 2458302.50828 +/- 0.00012  
    Heliocentric correction: -0.00028
    Note: 
    # NAME EF Boo
# VAR 14:32:30.54 +50:49:40.7 2448500.302 0.420512 9.43-10.00Hp 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_313_20s (297/179); 2.3h; minimum P
# NOTE 2458302.50855 +/- 0.00006; 20180703 00:12:19 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2458302.50856
Error (1 sigma): +0.00012/-0.00012 (Bootstrapping), +0.00015/-0.00012 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI):  +0.00023/-0.00020 (Bootstrapping), +0.00023/-0.00015 (Prayer bead)
LSM: chi^2 = 851.4, n_freedom = 253
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Boo, JD 2458302.44525
Comments