V0574 Lyr (Eclipsing binary)

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

7/6/2016, 23:41 - 7/7/2016, 01:21 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 7/15/2016, 12:50
  • 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 20110324)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# FLT VRcIc
# NOTE 06/07 VII 2016; V_30_90s (28/17); Rc_30_60s (26/15); Ic_30_60s (28/16); 1.8h; minimum P
# NOTE FLT V 2457576.52993 +/- 0.00006; 20160707 00:43:06 (UT) GEO
# NOTE FLT Rc 2457576.53000 +/- 0.00005; 20160707 00:43:12 (UT) GEO
# NOTE FLT Ic 2457576.52973 +/- 0.00007; 20160707 00:42:49 (UT) GEO
# NOTE FLT VRcIc average 2457576.52989 +/- 0.00007; 20160707 00:43:02 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2457576.52993 (7/7/2016, 00:43)
    HJDmin: 2457576.53291 +/- 0.00011  
    Heliocentric correction: 0.00298
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20110324)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# FLT VRcIc
# NOTE 06/07 VII 2016; V_30_90s (28/17); Rc_30_60s (26/15); Ic_30_60s (28/16); 1.8h; minimum P
# NOTE FLT V 2457576.52993 +/- 0.00006; 20160707 00:43:06 (UT) GEO
# NOTE FLT Rc 2457576.53000 +/- 0.00005; 20160707 00:43:12 (UT) GEO
# NOTE FLT Ic 2457576.52973 +/- 0.00007; 20160707 00:42:49 (UT) GEO
# NOTE FLT VRcIc average 2457576.52989 +/- 0.00007; 20160707 00:43:02 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457576.52993
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI):  +0.00022/-0.00022 (Bootstrapping), +0.00009/-0.00008 (Prayer bead)
LSM: chi^2 = 70.6, n_freedom = 23
  • P: 2457576.53000 (7/7/2016, 00:43)
    HJDmin: 2457576.53298 +/- 0.00009  
    Heliocentric correction: 0.00298
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20110324)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# FLT VRcIc
# NOTE 06/07 VII 2016; V_30_90s (28/17); Rc_30_60s (26/15); Ic_30_60s (28/16); 1.8h; minimum P
# NOTE FLT V 2457576.52993 +/- 0.00006; 20160707 00:43:06 (UT) GEO
# NOTE FLT Rc 2457576.53000 +/- 0.00005; 20160707 00:43:12 (UT) GEO
# NOTE FLT Ic 2457576.52973 +/- 0.00007; 20160707 00:42:49 (UT) GEO
# NOTE FLT VRcIc average 2457576.52989 +/- 0.00007; 20160707 00:43:02 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457576.53000
Error (1 sigma): +0.00009/-0.00009 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00019/-0.00018 (Bootstrapping), +0.00006/-0.00007 (Prayer bead)
LSM: chi^2 = 58.1, n_freedom = 21
  • P: 2457576.52973 (7/7/2016, 00:42)
    HJDmin: 2457576.53271 +/- 0.00011  
    Heliocentric correction: 0.00298
    Note: 
    # NAME V 574 Lyr
# VAR 18:27:12.23 +36:14:36.7 2451757.5642 0.273127 12.05-12.66V EW (VSX 20110324)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# FLT VRcIc
# NOTE 06/07 VII 2016; V_30_90s (28/17); Rc_30_60s (26/15); Ic_30_60s (28/16); 1.8h; minimum P
# NOTE FLT V 2457576.52993 +/- 0.00006; 20160707 00:43:06 (UT) GEO
# NOTE FLT Rc 2457576.53000 +/- 0.00005; 20160707 00:43:12 (UT) GEO
# NOTE FLT Ic 2457576.52973 +/- 0.00007; 20160707 00:42:49 (UT) GEO
# NOTE FLT VRcIc average 2457576.52989 +/- 0.00007; 20160707 00:43:02 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457576.52973
Error (1 sigma): +0.00011/-0.00011 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI):  +0.00021/-0.00020 (Bootstrapping), +0.00006/-0.00004 (Prayer bead)
LSM: chi^2 = 67.3, n_freedom = 23
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0574 Lyr, JD 2457576.48731
Comments