V0508 Cyg (Eclipsing binary)

RA: 20h 34m 05.95s, DE: +46° 52' 16.50" (308.5247916567, 46.8712499993)

8/26/2016, 19:10 - 8/26/2016, 23:17 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 10/10/2016, 11:27
  • 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 508 Cyg
# VAR 20:34:05.97 +46:52:16.1 2448888.5923 0.7796587 11.99-12.68V EW (VSX 20111013)
# 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 VIII 2016 V_68_90s (61/28); R_68_60s (66/26); I_68_60s (67/27); 4.1h; minimum S
# NOTE FLT V 2457627.36883 +/- 0.00018; 20160826 20:51:07 (UT) GEO
# NOTE FLT Rc 2457627.36845 +/- 0.00013; 20160826 20:50:34 (UT) GEO
# NOTE FLT Ic 2457627.36895 +/- 0.00012; 20160826 20:51:17 (UT) GEO
# NOTE FLT VRcIc average 2457627.36874 +/- 0.00018; 20160826 20:50:59 (UT) GEO
# COND fine clear weather
Determined minima
  • S: 2457627.36882 (8/26/2016, 20:51)
    HJDmin: 2457627.37157 +/- 0.00015  
    Heliocentric correction: 0.00275
    Note: 
    # NAME V 508 Cyg
# VAR 20:34:05.97 +46:52:16.1 2448888.5923 0.7796587 11.99-12.68V EW (VSX 20111013)
# 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 VIII 2016 V_68_90s (61/28); R_68_60s (66/26); I_68_60s (67/27); 4.1h; minimum S
# NOTE FLT V 2457627.36883 +/- 0.00018; 20160826 20:51:07 (UT) GEO
# NOTE FLT Rc 2457627.36845 +/- 0.00013; 20160826 20:50:34 (UT) GEO
# NOTE FLT Ic 2457627.36895 +/- 0.00012; 20160826 20:51:17 (UT) GEO
# NOTE FLT VRcIc average 2457627.36874 +/- 0.00018; 20160826 20:50:59 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457627.36882
Error (1 sigma): +0.00015/-0.00016 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00018/-0.00018 (LSM)
Error (95% CI):  +0.00029/-0.00032 (Bootstrapping), +0.00010/-0.00012 (Prayer bead)
LSM: chi^2 = 47.9, n_freedom = 56
  • S: 2457627.36845 (8/26/2016, 20:50)
    HJDmin: 2457627.37120 +/- 0.00014  
    Heliocentric correction: 0.00275
    Note: 
    # NAME V 508 Cyg
# VAR 20:34:05.97 +46:52:16.1 2448888.5923 0.7796587 11.99-12.68V EW (VSX 20111013)
# 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 VIII 2016 V_68_90s (61/28); R_68_60s (66/26); I_68_60s (67/27); 4.1h; minimum S
# NOTE FLT V 2457627.36883 +/- 0.00018; 20160826 20:51:07 (UT) GEO
# NOTE FLT Rc 2457627.36845 +/- 0.00013; 20160826 20:50:34 (UT) GEO
# NOTE FLT Ic 2457627.36895 +/- 0.00012; 20160826 20:51:17 (UT) GEO
# NOTE FLT VRcIc average 2457627.36874 +/- 0.00018; 20160826 20:50:59 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457627.36845
Error (1 sigma): +0.00015/-0.00014 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI):  +0.00026/-0.00028 (Bootstrapping), +0.00008/-0.00008 (Prayer bead)
LSM: chi^2 = 85.9, n_freedom = 61
  • S: 2457627.36895 (8/26/2016, 20:51)
    HJDmin: 2457627.37170 +/- 0.00016  
    Heliocentric correction: 0.00275
    Note: 
    # NAME V 508 Cyg
# VAR 20:34:05.97 +46:52:16.1 2448888.5923 0.7796587 11.99-12.68V EW (VSX 20111013)
# 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 VIII 2016 V_68_90s (61/28); R_68_60s (66/26); I_68_60s (67/27); 4.1h; minimum S
# NOTE FLT V 2457627.36883 +/- 0.00018; 20160826 20:51:07 (UT) GEO
# NOTE FLT Rc 2457627.36845 +/- 0.00013; 20160826 20:50:34 (UT) GEO
# NOTE FLT Ic 2457627.36895 +/- 0.00012; 20160826 20:51:17 (UT) GEO
# NOTE FLT VRcIc average 2457627.36874 +/- 0.00018; 20160826 20:50:59 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457627.36895
Error (1 sigma): +0.00015/-0.00017 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00030/-0.00028 (Bootstrapping), +0.00008/-0.00006 (Prayer bead)
LSM: chi^2 = 122.7, n_freedom = 62
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0508 Cyg, JD 2457627.29869
Comments