V0508 Cyg (Eclipsing binary)

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

9/17/2014, 18:00 - 9/18/2014, 01:09 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 9/18/2014, 13:35
  • 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 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 VRI
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 IX 2014 V_119_90s (99/6); R_119_60s (115/8); I_119_60s (110/6); 7.3h; minimum P and maximum
# NOTE FLT V 2456918.26943 +/- 0.00105; 20140917 18:27:59 (UT) GEO
# NOTE FLT R 2456918.26887 +/- 0.00049; 20140917 18:27:10 (UT) GEO
# NOTE FLT I 2456918.26835 +/- 0.00054; 20140917 18:26:25 (UT) GEO
# NOTE FLT VRI average 2456918.26888 +/- 0.00105; 20140917 18:27:11 (UT) GEO
# COND fine clear weather
Determined minima
  • P: 2456918.26949 (9/17/2014, 18:28)
    HJDmin: 2456918.27206 +/- 0.00103  
    Heliocentric correction: 0.00257
    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 VRI
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 IX 2014 V_119_90s (99/6); R_119_60s (115/8); I_119_60s (110/6); 7.3h; minimum P and maximum
# NOTE FLT V 2456918.26943 +/- 0.00105; 20140917 18:27:59 (UT) GEO
# NOTE FLT R 2456918.26887 +/- 0.00049; 20140917 18:27:10 (UT) GEO
# NOTE FLT I 2456918.26835 +/- 0.00054; 20140917 18:26:25 (UT) GEO
# NOTE FLT VRI average 2456918.26888 +/- 0.00105; 20140917 18:27:11 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456918.26949
Error (1 sigma): +0.00093/-0.00113 (Bootstrapping), +0.00077/-0.00082 (Prayer bead), +0.00109/-0.00109 (LSM)
Error (95% CI):  +0.00189/-0.00261 (Bootstrapping), +0.00136/-0.00169 (Prayer bead)
LSM: chi^2 = 21.9, n_freedom = 26
  • P: 2456918.26827 (9/17/2014, 18:26)
    HJDmin: 2456918.27084 +/- 0.00067  
    Heliocentric correction: 0.00257
    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 VRI
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 IX 2014 V_119_90s (99/6); R_119_60s (115/8); I_119_60s (110/6); 7.3h; minimum P and maximum
# NOTE FLT V 2456918.26943 +/- 0.00105; 20140917 18:27:59 (UT) GEO
# NOTE FLT R 2456918.26887 +/- 0.00049; 20140917 18:27:10 (UT) GEO
# NOTE FLT I 2456918.26835 +/- 0.00054; 20140917 18:26:25 (UT) GEO
# NOTE FLT VRI average 2456918.26888 +/- 0.00105; 20140917 18:27:11 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456918.26827
Error (1 sigma): +0.00069/-0.00064 (Bootstrapping), +0.00039/-0.00037 (Prayer bead), +0.00068/-0.00068 (LSM)
Error (95% CI):  +0.00135/-0.00135 (Bootstrapping), +0.00043/-0.00057 (Prayer bead)
LSM: chi^2 = 24.9, n_freedom = 39
  • P: 2456918.26788 (9/17/2014, 18:25)
    HJDmin: 2456918.27045 +/- 0.00086  
    Heliocentric correction: 0.00257
    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 VRI
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 IX 2014 V_119_90s (99/6); R_119_60s (115/8); I_119_60s (110/6); 7.3h; minimum P and maximum
# NOTE FLT V 2456918.26943 +/- 0.00105; 20140917 18:27:59 (UT) GEO
# NOTE FLT R 2456918.26887 +/- 0.00049; 20140917 18:27:10 (UT) GEO
# NOTE FLT I 2456918.26835 +/- 0.00054; 20140917 18:26:25 (UT) GEO
# NOTE FLT VRI average 2456918.26888 +/- 0.00105; 20140917 18:27:11 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456918.26788
Error (1 sigma): +0.00090/-0.00083 (Bootstrapping), +0.00092/-0.00082 (Prayer bead), +0.00065/-0.00065 (LSM)
Error (95% CI):  +0.00182/-0.00226 (Bootstrapping), +0.00214/-0.00212 (Prayer bead)
LSM: chi^2 = 70.6, n_freedom = 53
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0508 Cyg, JD 2456918.25015
Comments