EF Boo (Eclipsing binary)

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

3/28/2014, 18:54 - 3/29/2014, 02:22 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 4/27/2014, 19:25
  • 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 28/29 III 2014; R_335_20s (276/139) and R_365_20s (264/130); 2.4h and 2.6h; minimum P and minimum S
# NOTE 2456745.33536 +/- 0.00004; 20140328 20:02:55 (UT) GEO
# NOTE 2456745.54505 +/- 0.00050; 20140329 01:04:52 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2456745.33543 (3/28/2014, 20:03)
    HJDmin: 2456745.33831 +/- 0.00010  
    Heliocentric correction: 0.00288
    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 28/29 III 2014; R_335_20s (276/139) and R_365_20s (264/130); 2.4h and 2.6h; minimum P and minimum S
# NOTE 2456745.33536 +/- 0.00004; 20140328 20:02:55 (UT) GEO
# NOTE 2456745.54505 +/- 0.00050; 20140329 01:04:52 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456745.33543
Error (1 sigma): +0.00010/-0.00010 (Bootstrapping), +0.00004/-0.00002 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00019/-0.00019 (Bootstrapping), +0.00005/-0.00006 (Prayer bead)
LSM: chi^2 = 1043.4, n_freedom = 271
  • S: 2456745.54479 (3/29/2014, 01:04)
    HJDmin: 2456745.54767 +/- 0.00011  
    Heliocentric correction: 0.00288
    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 28/29 III 2014; R_335_20s (276/139) and R_365_20s (264/130); 2.4h and 2.6h; minimum P and minimum S
# NOTE 2456745.33536 +/- 0.00004; 20140328 20:02:55 (UT) GEO
# NOTE 2456745.54505 +/- 0.00050; 20140329 01:04:52 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456745.54479
Error (1 sigma): +0.00011/-0.00010 (Bootstrapping), +0.00006/-0.00007 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI):  +0.00020/-0.00022 (Bootstrapping), +0.00010/-0.00014 (Prayer bead)
LSM: chi^2 = 881.1, n_freedom = 259
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Boo, JD 2456745.28756
Comments