EF Dra

RA: 18h 05m 30.40s, DE: +69° 45' 16.00" (271.3766666617, 69.7544444444)

5/10/2017, 8:18 PM - 5/11/2017, 2:15 AM (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/22/2017 6:44:59 PM
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: 0.40-m f/5 + CCD G2-1600 + BVRcIc
  • Photometric band: B
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME EF Dra
# VAR 18:05:30.41 +69:45:15.5 2452500.3075 0.4240310 10.38-10.71V EW/KW (VSX 20170511)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.5 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 10/11 V 2017; B_95_90s (94/61); V_95_60s (95/61); Rc_95_30s (95/60); Ic_95_30s (95/60); 5.9h; minimum S
# NOTE FLT B 2457884.50359 +/- 0.00010; 20170511 00:05:10 (UT) GEO
# NOTE FLT V 2457884.50377 +/- 0.00008; 20170511 00:05:26 (UT) GEO
# NOTE FLT Rc 2457884.50350 +/- 0.00009; 20170511 00:05:02 (UT) GEO
# NOTE FLT Ic 2457884.50373 +/- 0.00013; 20170511 00:05:22 (UT) GEO
# NOTE FLT BVRcIc average 2457884.50365 +/- 0.00013; 20170511 00:05:15 (UT) GEO
# COND clear weather
Determined minima
  • S: 2457884.50355 (5/11/2017, 00:05)
    HJDmin: 2457884.50327
    Heliocentric correction: -0.00028
    Note: 
    # NAME EF Dra
# VAR 18:05:30.41 +69:45:15.5 2452500.3075 0.4240310 10.38-10.71V EW/KW (VSX 20170511)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.5 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 10/11 V 2017; B_95_90s (94/61); V_95_60s (95/61); Rc_95_30s (95/60); Ic_95_30s (95/60); 5.9h; minimum S
# NOTE FLT B 2457884.50359 +/- 0.00010; 20170511 00:05:10 (UT) GEO
# NOTE FLT V 2457884.50377 +/- 0.00008; 20170511 00:05:26 (UT) GEO
# NOTE FLT Rc 2457884.50350 +/- 0.00009; 20170511 00:05:02 (UT) GEO
# NOTE FLT Ic 2457884.50373 +/- 0.00013; 20170511 00:05:22 (UT) GEO
# NOTE FLT BVRcIc average 2457884.50365 +/- 0.00013; 20170511 00:05:15 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457884.50359
Error (1 sigma): +0.00041/-0.00049 (Bootstrapping), +0.00066/-0.00049 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00082/-0.00116 (Bootstrapping), +0.00117/-0.00065 (Prayer bead)
LSM: chi^2 = 411.5, n_freedom = 35


----- EBFit result: -----
Tmin = 2457884.50355
Error (1 sigma): +0.00041/-0.00052 (Bootstrapping), +0.00072/-0.00055 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00082/-0.00118 (Bootstrapping), +0.00111/-0.00066 (Prayer bead)
LSM: chi^2 = 405.0, n_freedom = 33
  • S: 2457884.50382 (5/11/2017, 00:05)
    HJDmin: 2457884.50354
    Heliocentric correction: -0.00028
    Note: 
    # NAME EF Dra
# VAR 18:05:30.41 +69:45:15.5 2452500.3075 0.4240310 10.38-10.71V EW/KW (VSX 20170511)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.5 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 10/11 V 2017; B_95_90s (94/61); V_95_60s (95/61); Rc_95_30s (95/60); Ic_95_30s (95/60); 5.9h; minimum S
# NOTE FLT B 2457884.50359 +/- 0.00010; 20170511 00:05:10 (UT) GEO
# NOTE FLT V 2457884.50377 +/- 0.00008; 20170511 00:05:26 (UT) GEO
# NOTE FLT Rc 2457884.50350 +/- 0.00009; 20170511 00:05:02 (UT) GEO
# NOTE FLT Ic 2457884.50373 +/- 0.00013; 20170511 00:05:22 (UT) GEO
# NOTE FLT BVRcIc average 2457884.50365 +/- 0.00013; 20170511 00:05:15 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457884.50382
Error (1 sigma): +0.00027/-0.00038 (Bootstrapping), +0.00052/-0.00044 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00057/-0.00076 (Bootstrapping), +0.00099/-0.00063 (Prayer bead)
LSM: chi^2 = 560.1, n_freedom = 39
  • S: 2457884.50341 (5/11/2017, 00:04)
    HJDmin: 2457884.50313
    Heliocentric correction: -0.00028
    Note: 
    # NAME EF Dra
# VAR 18:05:30.41 +69:45:15.5 2452500.3075 0.4240310 10.38-10.71V EW/KW (VSX 20170511)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.5 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 10/11 V 2017; B_95_90s (94/61); V_95_60s (95/61); Rc_95_30s (95/60); Ic_95_30s (95/60); 5.9h; minimum S
# NOTE FLT B 2457884.50359 +/- 0.00010; 20170511 00:05:10 (UT) GEO
# NOTE FLT V 2457884.50377 +/- 0.00008; 20170511 00:05:26 (UT) GEO
# NOTE FLT Rc 2457884.50350 +/- 0.00009; 20170511 00:05:02 (UT) GEO
# NOTE FLT Ic 2457884.50373 +/- 0.00013; 20170511 00:05:22 (UT) GEO
# NOTE FLT BVRcIc average 2457884.50365 +/- 0.00013; 20170511 00:05:15 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457884.50341
Error (1 sigma): +0.00030/-0.00035 (Bootstrapping), +0.00040/-0.00028 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00067/-0.00072 (Bootstrapping), +0.00065/-0.00037 (Prayer bead)
LSM: chi^2 = 262.1, n_freedom = 36
  • S: 2457884.50370 (5/11/2017, 00:05)
    HJDmin: 2457884.50342
    Heliocentric correction: -0.00028
    Note: 
    # NAME EF Dra
# VAR 18:05:30.41 +69:45:15.5 2452500.3075 0.4240310 10.38-10.71V EW/KW (VSX 20170511)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.5 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 10/11 V 2017; B_95_90s (94/61); V_95_60s (95/61); Rc_95_30s (95/60); Ic_95_30s (95/60); 5.9h; minimum S
# NOTE FLT B 2457884.50359 +/- 0.00010; 20170511 00:05:10 (UT) GEO
# NOTE FLT V 2457884.50377 +/- 0.00008; 20170511 00:05:26 (UT) GEO
# NOTE FLT Rc 2457884.50350 +/- 0.00009; 20170511 00:05:02 (UT) GEO
# NOTE FLT Ic 2457884.50373 +/- 0.00013; 20170511 00:05:22 (UT) GEO
# NOTE FLT BVRcIc average 2457884.50365 +/- 0.00013; 20170511 00:05:15 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457884.50370
Error (1 sigma): +0.00029/-0.00034 (Bootstrapping), +0.00022/-0.00024 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI):  +0.00067/-0.00064 (Bootstrapping), +0.00046/-0.00037 (Prayer bead)
LSM: chi^2 = 156.3, n_freedom = 41
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2457884.34606
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