V0574 Lyr (Eclipsing binary)

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

9/26/2016, 18:00 - 9/26/2016, 21:17 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 10/10/2016, 14:56
  • 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)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 26/27 IX 2016; V_54_90s (42/33); Rc_54_60s (39/32); Ic_54_60s (41/32); 3.2h; minimum S
# NOTE FLT V 2457658.33426 +/- 0.00010; 20160926 20:01:20 (UT) GEO
# NOTE FLT Rc 2457658.33459 +/- 0.00011; 20160926 20:01:49 (UT) GEO
# NOTE FLT Ic 2457658.33423 +/- 0.00012; 20160926 20:01:17 (UT) GEO
# NOTE FLT VRcIc average 2457658.33436 +/- 0.00012; 20160926 20:01:29 (UT) GEO
# COND clear weather
Determined minima
  • S: 2457658.33432 (9/26/2016, 20:01)
    HJDmin: 2457658.33466 +/- 0.00025  
    Heliocentric correction: 0.00034
    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 26/27 IX 2016; V_54_90s (42/33); Rc_54_60s (39/32); Ic_54_60s (41/32); 3.2h; minimum S
# NOTE FLT V 2457658.33426 +/- 0.00010; 20160926 20:01:20 (UT) GEO
# NOTE FLT Rc 2457658.33459 +/- 0.00011; 20160926 20:01:49 (UT) GEO
# NOTE FLT Ic 2457658.33423 +/- 0.00012; 20160926 20:01:17 (UT) GEO
# NOTE FLT VRcIc average 2457658.33436 +/- 0.00012; 20160926 20:01:29 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457658.33432
Error (1 sigma): +0.00025/-0.00025 (Bootstrapping), +0.00009/-0.00004 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00044/-0.00051 (Bootstrapping), +0.00012/-0.00017 (Prayer bead)
LSM: chi^2 = 73.7, n_freedom = 16
  • S: 2457658.33460 (9/26/2016, 20:01)
    HJDmin: 2457658.33494 +/- 0.00008  
    Heliocentric correction: 0.00034
    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 26/27 IX 2016; V_54_90s (42/33); Rc_54_60s (39/32); Ic_54_60s (41/32); 3.2h; minimum S
# NOTE FLT V 2457658.33426 +/- 0.00010; 20160926 20:01:20 (UT) GEO
# NOTE FLT Rc 2457658.33459 +/- 0.00011; 20160926 20:01:49 (UT) GEO
# NOTE FLT Ic 2457658.33423 +/- 0.00012; 20160926 20:01:17 (UT) GEO
# NOTE FLT VRcIc average 2457658.33436 +/- 0.00012; 20160926 20:01:29 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457658.33460
Error (1 sigma): +0.00009/-0.00008 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00019/-0.00016 (Bootstrapping), +0.00004/-0.00004 (Prayer bead)
LSM: chi^2 = 7.7, n_freedom = 11
  • S: 2457658.33429 (9/26/2016, 20:01)
    HJDmin: 2457658.33463 +/- 0.00019  
    Heliocentric correction: 0.00034
    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 26/27 IX 2016; V_54_90s (42/33); Rc_54_60s (39/32); Ic_54_60s (41/32); 3.2h; minimum S
# NOTE FLT V 2457658.33426 +/- 0.00010; 20160926 20:01:20 (UT) GEO
# NOTE FLT Rc 2457658.33459 +/- 0.00011; 20160926 20:01:49 (UT) GEO
# NOTE FLT Ic 2457658.33423 +/- 0.00012; 20160926 20:01:17 (UT) GEO
# NOTE FLT VRcIc average 2457658.33436 +/- 0.00012; 20160926 20:01:29 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457658.33429
Error (1 sigma): +0.00018/-0.00021 (Bootstrapping), +0.00007/-0.00005 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00035/-0.00041 (Bootstrapping), +0.00011/-0.00014 (Prayer bead)
LSM: chi^2 = 29.9, n_freedom = 12
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0574 Lyr, JD 2457658.25043
Comments