V0574 Lyr (Eclipsing binary)

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

3/9/2015, 02:11 - 3/9/2015, 04:23 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/16/2015, 12:34
  • 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 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)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 08/09 III 2015; V_37_90s (35/20); Rc_37_60s (36/20); Ic_37_60s (34/16); 2.2h; minimum P
# NOTE FLT V 2457090.64058 +/- 0.00015; 20150309 03:22:26 (UT) GEO
# NOTE FLT R 2457090.64088 +/- 0.00011; 20150309 03:22:52 (UT) GEO
# NOTE FLT I 2457090.64086 +/- 0.00014; 20150309 03:22:50 (UT) GEO
# NOTE FLT VRI average 2457090.64077 +/- 0.000; 20150309 03:22:43 (UT) GEO
# COND clear weather; moonlight
Determined minima
  • P: 2457090.64058 (3/9/2015, 03:22)
    HJDmin: 2457090.63946 +/- 0.00018  
    Heliocentric correction: -0.00112
    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)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 08/09 III 2015; V_37_90s (35/20); Rc_37_60s (36/20); Ic_37_60s (34/16); 2.2h; minimum P
# NOTE FLT V 2457090.64058 +/- 0.00015; 20150309 03:22:26 (UT) GEO
# NOTE FLT R 2457090.64088 +/- 0.00011; 20150309 03:22:52 (UT) GEO
# NOTE FLT I 2457090.64086 +/- 0.00014; 20150309 03:22:50 (UT) GEO
# NOTE FLT VRI average 2457090.64077 +/- 0.000; 20150309 03:22:43 (UT) GEO
# COND clear weather; moonlight

----- EBFit result: -----
Tmin = 2457090.64058
Error (1 sigma): +0.00016/-0.00020 (Bootstrapping), +0.00017/-0.00014 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI):  +0.00035/-0.00040 (Bootstrapping), +0.00030/-0.00018 (Prayer bead)
LSM: chi^2 = 53.9, n_freedom = 30
  • P: 2457090.64088 (3/9/2015, 03:22)
    HJDmin: 2457090.63976 +/- 0.00012  
    Heliocentric correction: -0.00112
    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)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 08/09 III 2015; V_37_90s (35/20); Rc_37_60s (36/20); Ic_37_60s (34/16); 2.2h; minimum P
# NOTE FLT V 2457090.64058 +/- 0.00015; 20150309 03:22:26 (UT) GEO
# NOTE FLT R 2457090.64088 +/- 0.00011; 20150309 03:22:52 (UT) GEO
# NOTE FLT I 2457090.64086 +/- 0.00014; 20150309 03:22:50 (UT) GEO
# NOTE FLT VRI average 2457090.64077 +/- 0.000; 20150309 03:22:43 (UT) GEO
# COND clear weather; moonlight

----- EBFit result: -----
Tmin = 2457090.64088
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00016/-0.00008 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00021/-0.00027 (Bootstrapping), +0.00023/-0.00019 (Prayer bead)
LSM: chi^2 = 60.3, n_freedom = 31
  • P: 2457090.64086 (3/9/2015, 03:22)
    HJDmin: 2457090.63974 +/- 0.00017  
    Heliocentric correction: -0.00112
    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)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 08/09 III 2015; V_37_90s (35/20); Rc_37_60s (36/20); Ic_37_60s (34/16); 2.2h; minimum P
# NOTE FLT V 2457090.64058 +/- 0.00015; 20150309 03:22:26 (UT) GEO
# NOTE FLT R 2457090.64088 +/- 0.00011; 20150309 03:22:52 (UT) GEO
# NOTE FLT I 2457090.64086 +/- 0.00014; 20150309 03:22:50 (UT) GEO
# NOTE FLT VRI average 2457090.64077 +/- 0.000; 20150309 03:22:43 (UT) GEO
# COND clear weather; moonlight

----- EBFit result: -----
Tmin = 2457090.64086
Error (1 sigma): +0.00016/-0.00019 (Bootstrapping), +0.00021/-0.00015 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI):  +0.00031/-0.00037 (Bootstrapping), +0.00030/-0.00024 (Prayer bead)
LSM: chi^2 = 57.1, n_freedom = 29
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0574 Lyr, JD 2457090.59113
Comments