V0508 Cyg (Eclipsing binary)

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

8/24/2016, 19:24 - 8/25/2016, 00:56 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 10/10/2016, 10:54
  • 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 24/25 VIII 2016 V_84_90s (63/36); R_84_60s (61/33); I_84_60s (60/35); 5.5h; minimum P
# NOTE FLT V 2457625.42013 +/- 0.00022; 20160824 22:04:59 (UT) GEO
# NOTE FLT Rc 2457625.42031 +/- 0.00016; 20160824 22:05:15 (UT) GEO
# NOTE FLT Ic 2457625.41971 +/- 0.00017; 20160824 22:04:23 (UT) GEO
# NOTE FLT VRcIc average 2457625.42005 +/- 0.00022; 20160824 22:04:52 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2457625.42014 (8/24/2016, 22:05)
    HJDmin: 2457625.42288 +/- 0.00039  
    Heliocentric correction: 0.00274
    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 24/25 VIII 2016 V_84_90s (63/36); R_84_60s (61/33); I_84_60s (60/35); 5.5h; minimum P
# NOTE FLT V 2457625.42013 +/- 0.00022; 20160824 22:04:59 (UT) GEO
# NOTE FLT Rc 2457625.42031 +/- 0.00016; 20160824 22:05:15 (UT) GEO
# NOTE FLT Ic 2457625.41971 +/- 0.00017; 20160824 22:04:23 (UT) GEO
# NOTE FLT VRcIc average 2457625.42005 +/- 0.00022; 20160824 22:04:52 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457625.42014
Error (1 sigma): +0.00043/-0.00034 (Bootstrapping), +0.00034/-0.00034 (Prayer bead), +0.00022/-0.00022 (LSM)
Error (95% CI):  +0.00086/-0.00066 (Bootstrapping), +0.00043/-0.00044 (Prayer bead)
LSM: chi^2 = 148.1, n_freedom = 58
  • P: 2457625.42031 (8/24/2016, 22:05)
    HJDmin: 2457625.42305 +/- 0.00034  
    Heliocentric correction: 0.00274
    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 24/25 VIII 2016 V_84_90s (63/36); R_84_60s (61/33); I_84_60s (60/35); 5.5h; minimum P
# NOTE FLT V 2457625.42013 +/- 0.00022; 20160824 22:04:59 (UT) GEO
# NOTE FLT Rc 2457625.42031 +/- 0.00016; 20160824 22:05:15 (UT) GEO
# NOTE FLT Ic 2457625.41971 +/- 0.00017; 20160824 22:04:23 (UT) GEO
# NOTE FLT VRcIc average 2457625.42005 +/- 0.00022; 20160824 22:04:52 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457625.42031
Error (1 sigma): +0.00036/-0.00032 (Bootstrapping), +0.00037/-0.00036 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI):  +0.00073/-0.00061 (Bootstrapping), +0.00049/-0.00056 (Prayer bead)
LSM: chi^2 = 219.7, n_freedom = 56
  • P: 2457625.41972 (8/24/2016, 22:04)
    HJDmin: 2457625.42246 +/- 0.00029  
    Heliocentric correction: 0.00274
    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 24/25 VIII 2016 V_84_90s (63/36); R_84_60s (61/33); I_84_60s (60/35); 5.5h; minimum P
# NOTE FLT V 2457625.42013 +/- 0.00022; 20160824 22:04:59 (UT) GEO
# NOTE FLT Rc 2457625.42031 +/- 0.00016; 20160824 22:05:15 (UT) GEO
# NOTE FLT Ic 2457625.41971 +/- 0.00017; 20160824 22:04:23 (UT) GEO
# NOTE FLT VRcIc average 2457625.42005 +/- 0.00022; 20160824 22:04:52 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457625.41972
Error (1 sigma): +0.00032/-0.00027 (Bootstrapping), +0.00029/-0.00026 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI):  +0.00069/-0.00048 (Bootstrapping), +0.00044/-0.00052 (Prayer bead)
LSM: chi^2 = 167.8, n_freedom = 55
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0508 Cyg, JD 2457625.30868
Comments