V0404 Aur (Eclipsing binary)

RA: 05h 57m 13.48s, DE: +43° 28' 17.30" (89.3061666667, 43.4714722216)

2/19/2015, 17:39 - 2/19/2015, 21:47 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/16/2015, 10:48
  • 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 V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.0340 0.7543176 12.2-12.9V EB (VSX 20101013)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 19/20 II 2015; V_69_90s (55/29); Rc_69_60s (60/35); Ic_69_60s (56/31); 4.1h; minimum S
# NOTE FLT V 2457073.33127 +/- 0.00087; 20150219 19:57:02 (UT) GEO
# NOTE FLT R 2457073.33156 +/- 0.00068; 20150219 19:57:27 (UT) GEO
# NOTE FLT I 2457073.33037 +/- 0.00076; 20150219 19:55:44 (UT) GEO
# NOTE FLT VRI average 2457073.33106 +/- 0.00087; 20150219 19:56:44 (UT) GEO
# COND clear weather (cirrus)
Determined minima
  • S: 2457073.33128 (2/19/2015, 19:57)
    HJDmin: 2457073.33385 +/- 0.00132  
    Heliocentric correction: 0.00257
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.0340 0.7543176 12.2-12.9V EB (VSX 20101013)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 19/20 II 2015; V_69_90s (55/29); Rc_69_60s (60/35); Ic_69_60s (56/31); 4.1h; minimum S
# NOTE FLT V 2457073.33127 +/- 0.00087; 20150219 19:57:02 (UT) GEO
# NOTE FLT R 2457073.33156 +/- 0.00068; 20150219 19:57:27 (UT) GEO
# NOTE FLT I 2457073.33037 +/- 0.00076; 20150219 19:55:44 (UT) GEO
# NOTE FLT VRI average 2457073.33106 +/- 0.00087; 20150219 19:56:44 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457073.33128
Error (1 sigma): +0.00135/-0.00129 (Bootstrapping), +0.00083/-0.00085 (Prayer bead), +0.00084/-0.00084 (LSM)
Error (95% CI):  +0.00221/-0.00248 (Bootstrapping), +0.00118/-0.00103 (Prayer bead)
LSM: chi^2 = 71.2, n_freedom = 50
  • S: 2457073.33156 (2/19/2015, 19:57)
    HJDmin: 2457073.33413 +/- 0.00071  
    Heliocentric correction: 0.00257
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.0340 0.7543176 12.2-12.9V EB (VSX 20101013)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 19/20 II 2015; V_69_90s (55/29); Rc_69_60s (60/35); Ic_69_60s (56/31); 4.1h; minimum S
# NOTE FLT V 2457073.33127 +/- 0.00087; 20150219 19:57:02 (UT) GEO
# NOTE FLT R 2457073.33156 +/- 0.00068; 20150219 19:57:27 (UT) GEO
# NOTE FLT I 2457073.33037 +/- 0.00076; 20150219 19:55:44 (UT) GEO
# NOTE FLT VRI average 2457073.33106 +/- 0.00087; 20150219 19:56:44 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457073.33156
Error (1 sigma): +0.00071/-0.00071 (Bootstrapping), +0.00058/-0.00049 (Prayer bead), +0.00068/-0.00068 (LSM)
Error (95% CI):  +0.00140/-0.00140 (Bootstrapping), +0.00075/-0.00080 (Prayer bead)
LSM: chi^2 = 52.8, n_freedom = 55
  • S: 2457073.33037 (2/19/2015, 19:55)
    HJDmin: 2457073.33294 +/- 0.00069  
    Heliocentric correction: 0.00257
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.0340 0.7543176 12.2-12.9V EB (VSX 20101013)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 19/20 II 2015; V_69_90s (55/29); Rc_69_60s (60/35); Ic_69_60s (56/31); 4.1h; minimum S
# NOTE FLT V 2457073.33127 +/- 0.00087; 20150219 19:57:02 (UT) GEO
# NOTE FLT R 2457073.33156 +/- 0.00068; 20150219 19:57:27 (UT) GEO
# NOTE FLT I 2457073.33037 +/- 0.00076; 20150219 19:55:44 (UT) GEO
# NOTE FLT VRI average 2457073.33106 +/- 0.00087; 20150219 19:56:44 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457073.33037
Error (1 sigma): +0.00069/-0.00069 (Bootstrapping), +0.00027/-0.00026 (Prayer bead), +0.00076/-0.00076 (LSM)
Error (95% CI):  +0.00133/-0.00130 (Bootstrapping), +0.00038/-0.00055 (Prayer bead)
LSM: chi^2 = 42.0, n_freedom = 51
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0404 Aur, JD 2457073.23591
Comments