V0404 Aur (Eclipsing binary)

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

3/22/2019, 18:35 - 3/22/2019, 22:46 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 3/28/2019, 22:17
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: 0.40-m f/5 + CCD G2-1600 + BVRcIc
  • Photometric band: V
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.034 0.7543176 12.2-12.79V EB (VSX 20190324)
# 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 22/23 III 2019; V_68_90s (65/36); Rc_68_60s (68/36); Ic_68_60s (68/36); 4.1h; minimum S
# NOTE FLT V 2458565.36733 +/- 0.00060; 20190322 20:48:57 (UT) GEO
# NOTE FLT Rc 2458565.36786 +/- 0.00039; 20190322 20:49:43 (UT) GEO
# NOTE FLT Ic 2458565.36752 +/- 0.00047; 20190322 20:49:14 (UT) GEO
# NOTE FLT VRcIc average 2458565.36757 +/- 0.00060; 20190322 20:49:18 (UT) GEO
# COND clear weather
Determined minima
  • S: 2458565.36744 (3/22/2019, 20:49)
    HJDmin: 2458565.36720 +/- 0.00073  
    Heliocentric correction: -0.00024
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.034 0.7543176 12.2-12.79V EB (VSX 20190324)
# 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 22/23 III 2019; V_68_90s (65/36); Rc_68_60s (68/36); Ic_68_60s (68/36); 4.1h; minimum S
# NOTE FLT V 2458565.36733 +/- 0.00060; 20190322 20:48:57 (UT) GEO
# NOTE FLT Rc 2458565.36786 +/- 0.00039; 20190322 20:49:43 (UT) GEO
# NOTE FLT Ic 2458565.36752 +/- 0.00047; 20190322 20:49:14 (UT) GEO
# NOTE FLT VRcIc average 2458565.36757 +/- 0.00060; 20190322 20:49:18 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458565.36744
Error (1 sigma): +0.00071/-0.00074 (Bootstrapping), +0.00029/-0.00044 (Prayer bead), +0.00060/-0.00060 (LSM)
Error (95% CI):  +0.00147/-0.00147 (Bootstrapping), +0.00046/-0.00061 (Prayer bead)
LSM: chi^2 = 83.8, n_freedom = 60
  • S: 2458565.36786 (3/22/2019, 20:49)
    HJDmin: 2458565.36762 +/- 0.00045  
    Heliocentric correction: -0.00024
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.034 0.7543176 12.2-12.79V EB (VSX 20190324)
# 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 22/23 III 2019; V_68_90s (65/36); Rc_68_60s (68/36); Ic_68_60s (68/36); 4.1h; minimum S
# NOTE FLT V 2458565.36733 +/- 0.00060; 20190322 20:48:57 (UT) GEO
# NOTE FLT Rc 2458565.36786 +/- 0.00039; 20190322 20:49:43 (UT) GEO
# NOTE FLT Ic 2458565.36752 +/- 0.00047; 20190322 20:49:14 (UT) GEO
# NOTE FLT VRcIc average 2458565.36757 +/- 0.00060; 20190322 20:49:18 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458565.36786
Error (1 sigma): +0.00047/-0.00043 (Bootstrapping), +0.00009/-0.00008 (Prayer bead), +0.00039/-0.00039 (LSM)
Error (95% CI):  +0.00094/-0.00082 (Bootstrapping), +0.00022/-0.00011 (Prayer bead)
LSM: chi^2 = 96.6, n_freedom = 63
  • S: 2458565.36751 (3/22/2019, 20:49)
    HJDmin: 2458565.36727 +/- 0.00058  
    Heliocentric correction: -0.00024
    Note: 
    # NAME V 404 Aur
# VAR 05:57:13.48 +43:28:17.3 2452501.034 0.7543176 12.2-12.79V EB (VSX 20190324)
# 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 22/23 III 2019; V_68_90s (65/36); Rc_68_60s (68/36); Ic_68_60s (68/36); 4.1h; minimum S
# NOTE FLT V 2458565.36733 +/- 0.00060; 20190322 20:48:57 (UT) GEO
# NOTE FLT Rc 2458565.36786 +/- 0.00039; 20190322 20:49:43 (UT) GEO
# NOTE FLT Ic 2458565.36752 +/- 0.00047; 20190322 20:49:14 (UT) GEO
# NOTE FLT VRcIc average 2458565.36757 +/- 0.00060; 20190322 20:49:18 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458565.36751
Error (1 sigma): +0.00054/-0.00063 (Bootstrapping), +0.00081/-0.00072 (Prayer bead), +0.00048/-0.00048 (LSM)
Error (95% CI):  +0.00098/-0.00115 (Bootstrapping), +0.00097/-0.00090 (Prayer bead)
LSM: chi^2 = 92.7, n_freedom = 63
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0404 Aur, JD 2458565.27480
Comments