V0574 Lyr (Eclipsing binary)

RA: 18h 27m 12.23s, DE: +36° 14' 36.70" (276.8009583333, 36.2435277774)

5/6/2018, 22:46 - 5/7/2018, 02:05 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/11/2018, 13:46
  • 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 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20180507)
# 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 06/07 V 2018; V_55_90s (40/29); Rc_55_60s (50/38); Ic_55_60s (45/32); 3.3h; minimum S
# NOTE FLT V 2458245.55723 +/- 0.00010; 20180507 01:22:25 (UT) GEO
# NOTE FLT Rc 2458245.55746 +/- 0.00007; 20180507 01:22:45 (UT) GEO
# NOTE FLT Ic 2458245.55728 +/- 0.00010; 20180507 01:22:29 (UT) GEO
# NOTE FLT VRcIc average 2458245.55732 +/- 0.00010; 20180507 01:22:32 (UT) GEO
# COND clear weather
Determined minima
  • S: 2458245.55722 (5/7/2018, 01:22)
    HJDmin: 2458245.55895 +/- 0.00011  
    Heliocentric correction: 0.00173
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20180507)
# 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 06/07 V 2018; V_55_90s (40/29); Rc_55_60s (50/38); Ic_55_60s (45/32); 3.3h; minimum S
# NOTE FLT V 2458245.55723 +/- 0.00010; 20180507 01:22:25 (UT) GEO
# NOTE FLT Rc 2458245.55746 +/- 0.00007; 20180507 01:22:45 (UT) GEO
# NOTE FLT Ic 2458245.55728 +/- 0.00010; 20180507 01:22:29 (UT) GEO
# NOTE FLT VRcIc average 2458245.55732 +/- 0.00010; 20180507 01:22:32 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458245.55722
Error (1 sigma): +0.00011/-0.00011 (Bootstrapping), +0.00006/-0.00006 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00023/-0.00022 (Bootstrapping), +0.00008/-0.00010 (Prayer bead)
LSM: chi^2 = 27.4, n_freedom = 19
  • S: 2458245.55746 (5/7/2018, 01:22)
    HJDmin: 2458245.55919 +/- 0.00012  
    Heliocentric correction: 0.00173
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20180507)
# 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 06/07 V 2018; V_55_90s (40/29); Rc_55_60s (50/38); Ic_55_60s (45/32); 3.3h; minimum S
# NOTE FLT V 2458245.55723 +/- 0.00010; 20180507 01:22:25 (UT) GEO
# NOTE FLT Rc 2458245.55746 +/- 0.00007; 20180507 01:22:45 (UT) GEO
# NOTE FLT Ic 2458245.55728 +/- 0.00010; 20180507 01:22:29 (UT) GEO
# NOTE FLT VRcIc average 2458245.55732 +/- 0.00010; 20180507 01:22:32 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458245.55746
Error (1 sigma): +0.00012/-0.00012 (Bootstrapping), +0.00008/-0.00007 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI):  +0.00024/-0.00027 (Bootstrapping), +0.00011/-0.00010 (Prayer bead)
LSM: chi^2 = 38.8, n_freedom = 18
  • S: 2458245.55728 (5/7/2018, 01:22)
    HJDmin: 2458245.55901 +/- 0.00015  
    Heliocentric correction: 0.00173
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20180507)
# 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 06/07 V 2018; V_55_90s (40/29); Rc_55_60s (50/38); Ic_55_60s (45/32); 3.3h; minimum S
# NOTE FLT V 2458245.55723 +/- 0.00010; 20180507 01:22:25 (UT) GEO
# NOTE FLT Rc 2458245.55746 +/- 0.00007; 20180507 01:22:45 (UT) GEO
# NOTE FLT Ic 2458245.55728 +/- 0.00010; 20180507 01:22:29 (UT) GEO
# NOTE FLT VRcIc average 2458245.55732 +/- 0.00010; 20180507 01:22:32 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458245.55728
Error (1 sigma): +0.00015/-0.00015 (Bootstrapping), +0.00014/-0.00009 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00026/-0.00035 (Bootstrapping), +0.00019/-0.00024 (Prayer bead)
LSM: chi^2 = 59.5, n_freedom = 21
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0574 Lyr, JD 2458245.44899
Comments