V0445 Cas (Eclipsing binary)

RA: 00h 31m 39.65s, DE: +53° 13' 00.30" (7.9152083233, 53.2167499993)

9/30/2017, 17:58 - 9/30/2017, 23:05 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 11/11/2017, 07:27
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
  • Photometric band: V
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME V 445 Cas
# VAR 00:31:39.65 +53:13:00.3 2441921.3782 0.67352 10.89-11.32V EB (VSX 20171006)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 30 IX / 01 X 2017; V_79_90s (75/33); Rc_79_60s (72/29); Ic_79_60s (75/31); 5.1h; minimum P
# NOTE FLT V 2458027.34121 +/- 0.00031; 20170930 20:11:21 (UT) GEO
# NOTE FLT Rc 2458027.33914 +/- 0.00032; 20170930 20:08:22 (UT) GEO
# NOTE FLT Ic 2458027.34164 +/- 0.00052; 20170930 20:11:58 (UT) GEO
# NOTE FLT VRcIc average 2458027.34066 +/- 0.00052; 20170930 20:10:33 (UT) GEO
# COND clear weather
Determined minima
  • P: 2458027.34013 (9/30/2017, 20:09)
    HJDmin: 2458027.34384
    Heliocentric correction: 0.00371
    Note: 
    # NAME V 445 Cas
# VAR 00:31:39.65 +53:13:00.3 2441921.3782 0.67352 10.89-11.32V EB (VSX 20171006)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 30 IX / 01 X 2017; V_79_90s (75/33); Rc_79_60s (72/29); Ic_79_60s (75/31); 5.1h; minimum P
# NOTE FLT V 2458027.34121 +/- 0.00031; 20170930 20:11:21 (UT) GEO
# NOTE FLT Rc 2458027.33914 +/- 0.00032; 20170930 20:08:22 (UT) GEO
# NOTE FLT Ic 2458027.34164 +/- 0.00052; 20170930 20:11:58 (UT) GEO
# NOTE FLT VRcIc average 2458027.34066 +/- 0.00052; 20170930 20:10:33 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458027.34013
Error (1 sigma): +0.00063/-0.00056 (Bootstrapping), +0.00047/-0.00041 (Prayer bead), +0.00034/-0.00034 (LSM)
Error (95% CI):  +0.00119/-0.00114 (Bootstrapping), +0.00066/-0.00055 (Prayer bead)
LSM: chi^2 = 159.8, n_freedom = 50
  • P: 2458027.33899 (9/30/2017, 20:08)
    HJDmin: 2458027.34270
    Heliocentric correction: 0.00371
    Note: 
    # NAME V 445 Cas
# VAR 00:31:39.65 +53:13:00.3 2441921.3782 0.67352 10.89-11.32V EB (VSX 20171006)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 30 IX / 01 X 2017; V_79_90s (75/33); Rc_79_60s (72/29); Ic_79_60s (75/31); 5.1h; minimum P
# NOTE FLT V 2458027.34121 +/- 0.00031; 20170930 20:11:21 (UT) GEO
# NOTE FLT Rc 2458027.33914 +/- 0.00032; 20170930 20:08:22 (UT) GEO
# NOTE FLT Ic 2458027.34164 +/- 0.00052; 20170930 20:11:58 (UT) GEO
# NOTE FLT VRcIc average 2458027.34066 +/- 0.00052; 20170930 20:10:33 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458027.33899
Error (1 sigma): +0.00043/-0.00043 (Bootstrapping), +0.00022/-0.00031 (Prayer bead), +0.00032/-0.00032 (LSM)
Error (95% CI):  +0.00093/-0.00080 (Bootstrapping), +0.00029/-0.00043 (Prayer bead)
LSM: chi^2 = 94.6, n_freedom = 51
  • P: 2458027.34164 (9/30/2017, 20:11)
    HJDmin: 2458027.34535
    Heliocentric correction: 0.00371
    Note: 
    # NAME V 445 Cas
# VAR 00:31:39.65 +53:13:00.3 2441921.3782 0.67352 10.89-11.32V EB (VSX 20171006)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT VRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 30 IX / 01 X 2017; V_79_90s (75/33); Rc_79_60s (72/29); Ic_79_60s (75/31); 5.1h; minimum P
# NOTE FLT V 2458027.34121 +/- 0.00031; 20170930 20:11:21 (UT) GEO
# NOTE FLT Rc 2458027.33914 +/- 0.00032; 20170930 20:08:22 (UT) GEO
# NOTE FLT Ic 2458027.34164 +/- 0.00052; 20170930 20:11:58 (UT) GEO
# NOTE FLT VRcIc average 2458027.34066 +/- 0.00052; 20170930 20:10:33 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458027.34164
Error (1 sigma): +0.00077/-0.00077 (Bootstrapping), +0.00013/-0.00012 (Prayer bead), +0.00048/-0.00048 (LSM)
Error (95% CI):  +0.00141/-0.00146 (Bootstrapping), +0.00026/-0.00032 (Prayer bead)
LSM: chi^2 = 85.7, n_freedom = 40
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - V0445 Cas, JD 2458027.24867
Comments