FW Her (Eclipsing binary)

RA: 17h 59m 25.76s, DE: +25° 43' 13.20" (269.8573333283, 25.7203333327)

5/11/2015, 23:05 - 5/12/2015, 02:14 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/17/2015, 00:43
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: 0.40-m f/5 + CCD G2-1600 + BVRI
  • Photometric band: V
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME FW Her
# VAR 17:59:25.76 +25:43:13.2 2426744.614 0.835412 14.4-14.9p EB/KE (VSX 20110506)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 11/12 V 2015; V_60_90s (42/17); Rc_60_90s (56/28); 3.1h; minimum P
# NOTE FLT V 2457154.53165 +/- 0.00024; 20150512 00:45:35 (UT) GEO
# NOTE FLT Rc 2457154.53132 +/- 0.00016; 20150512 00:45:06 (UT) GEO
# NOTE FLT VRc average 2457154.53148 +/- 0.00024; 20150512 00:45:20 (UT) GEO
# COND clear weather (cirrus)
Determined minima
  • P: 2457154.53165 (5/12/2015, 00:45)
    HJDmin: 2457154.53463 +/- 0.00023  
    Heliocentric correction: 0.00298
    Note: 
    # NAME FW Her
# VAR 17:59:25.76 +25:43:13.2 2426744.614 0.835412 14.4-14.9p EB/KE (VSX 20110506)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 11/12 V 2015; V_60_90s (42/17); Rc_60_90s (56/28); 3.1h; minimum P
# NOTE FLT V 2457154.53165 +/- 0.00024; 20150512 00:45:35 (UT) GEO
# NOTE FLT Rc 2457154.53132 +/- 0.00016; 20150512 00:45:06 (UT) GEO
# NOTE FLT VRc average 2457154.53148 +/- 0.00024; 20150512 00:45:20 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457154.53165
Error (1 sigma): +0.00021/-0.00024 (Bootstrapping), +0.00013/-0.00011 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI):  +0.00045/-0.00050 (Bootstrapping), +0.00022/-0.00026 (Prayer bead)
LSM: chi^2 = 39.2, n_freedom = 37
  • P: 2457154.53132 (5/12/2015, 00:45)
    HJDmin: 2457154.53430 +/- 0.00016  
    Heliocentric correction: 0.00298
    Note: 
    # NAME FW Her
# VAR 17:59:25.76 +25:43:13.2 2426744.614 0.835412 14.4-14.9p EB/KE (VSX 20110506)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 11/12 V 2015; V_60_90s (42/17); Rc_60_90s (56/28); 3.1h; minimum P
# NOTE FLT V 2457154.53165 +/- 0.00024; 20150512 00:45:35 (UT) GEO
# NOTE FLT Rc 2457154.53132 +/- 0.00016; 20150512 00:45:06 (UT) GEO
# NOTE FLT VRc average 2457154.53148 +/- 0.00024; 20150512 00:45:20 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457154.53132
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00006/-0.00005 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI):  +0.00033/-0.00031 (Bootstrapping), +0.00009/-0.00009 (Prayer bead)
LSM: chi^2 = 56.0, n_freedom = 51
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - FW Her, JD 2457154.46212
Comments