EF Boo (Eclipsing binary)

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

4/15/2013, 20:48 - 4/15/2013, 22:57 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/2/2013, 01:01
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + R
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME EF Boo
# VAR 14:32:30.54 +50:49:40.7 2448500.3020 0.420512 9.43-10.00Hp EW (VSX 20110211)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 15/16 IV 2013; R_300_20s (298/140); 2.1h; minimum P
# NOTE 2456398.40990 +/- 0.00031; 20130415 21:50:15 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2456398.40940 (4/15/2013, 21:49)
    HJDmin: 2456398.41211 +/- 0.00005  
    Heliocentric correction: 0.00271
    Note: 
    # NAME EF Boo
# VAR 14:32:30.54 +50:49:40.7 2448500.3020 0.420512 9.43-10.00Hp EW (VSX 20110211)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 15/16 IV 2013; R_300_20s (298/140); 2.1h; minimum P
# NOTE 2456398.40990 +/- 0.00031; 20130415 21:50:15 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456398.40940
Error (1 sigma): +0.00006/-0.00005 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI):  +0.00010/-0.00010 (Bootstrapping), +0.00005/-0.00009 (Prayer bead)
LSM: chi^2 = 820.9, n_freedom = 293
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Boo, JD 2456398.36722
Comments