QW Boo - JD 2457844.42339

QW Boo (Eclipsing binary)

RA: 15h 36m 34.58s, DE: +46° 38' 09.30" (234.1440833333, 46.6359166663)

3/31/2017, 22:09 - 4/1/2017, 03:39 (UTC)

Data:

Observer: Martin Lehky
Created: 4/13/2017, 22:41
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 QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

Determined minima

S: 2457844.45998 (3/31/2017, 23:02)
HJD_min: 2457844.46252 +/- 0.00021
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.45998
Error (1 sigma): +0.00020/-0.00022 (Bootstrapping), +0.00013/-0.00008 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00042/-0.00039 (Bootstrapping), +0.00016/-0.00029 (Prayer bead)
LSM: chi^2 = 98.4, n_freedom = 26

S: 2457844.45977 (3/31/2017, 23:02)
HJD_min: 2457844.46231 +/- 0.00014
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.45977
Error (1 sigma): +0.00014/-0.00015 (Bootstrapping), +0.00004/-0.00002 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00030/-0.00028 (Bootstrapping), +0.00009/-0.00012 (Prayer bead)
LSM: chi^2 = 65.9, n_freedom = 27

S: 2457844.45978 (3/31/2017, 23:02)
HJD_min: 2457844.46232 +/- 0.00019
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.45978
Error (1 sigma): +0.00019/-0.00020 (Bootstrapping), +0.00006/-0.00006 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI):  +0.00038/-0.00042 (Bootstrapping), +0.00012/-0.00010 (Prayer bead)
LSM: chi^2 = 45.2, n_freedom = 27

P: 2457844.60444 (4/1/2017, 02:30)
HJD_min: 2457844.60698 +/- 0.00013
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.60444
Error (1 sigma): +0.00012/-0.00014 (Bootstrapping), +0.00009/-0.00006 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00024/-0.00028 (Bootstrapping), +0.00016/-0.00015 (Prayer bead)
LSM: chi^2 = 81.4, n_freedom = 31

P: 2457844.60451 (4/1/2017, 02:30)
HJD_min: 2457844.60705 +/- 0.00012
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.60451
Error (1 sigma): +0.00012/-0.00012 (Bootstrapping), +0.00009/-0.00011 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00024/-0.00024 (Bootstrapping), +0.00014/-0.00016 (Prayer bead)
LSM: chi^2 = 90.5, n_freedom = 33

P: 2457844.60424 (4/1/2017, 02:30)
HJD_min: 2457844.60678 +/- 0.00016
Heliocentric correction: 0.00254
Note:

# NAME QW Boo
# VAR 15:36:34.56 +46:38:09.3 2451391.919 0.290871 12.1-12.45R1 EW (VSX 20170401)
# 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 31 III / 01 IV 2017; V_85_90s (80); Rc_85_60s (86); Ic_85_60s (81); 5.5h; minimum S, maximum, minimum P

# NOTE FLT V 2457844.45998 +/- 0.00012; 20170331 23:02:22 (UT) GEO
# NOTE FLT Rc 2457844.45978 +/- 0.00012; 20170331 23:02:05 (UT) GEO
# NOTE FLT Ic 2457844.45978 +/- 0.00014; 20170331 23:02:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.45984 +/- 0.00014; 20170331 23:02:10 (UT) GEO

# NOTE FLT V 2457844.60444 +/- 0.00008; 20170401 02:30:24 (UT) GEO
# NOTE FLT Rc 2457844.60451 +/- 0.00008; 20170401 02:30:30 (UT) GEO
# NOTE FLT Ic 2457844.60422 +/- 0.00010; 20170401 02:30:05 (UT) GEO
# NOTE FLT VRcIc average 2457844.60439 +/- 0.00010; 20170401 02:30:19 (UT) GEO

# COND clear weather

----- EBFit result: -----
Tmin = 2457844.60424
Error (1 sigma): +0.00014/-0.00017 (Bootstrapping), +0.00011/-0.00013 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00027/-0.00035 (Bootstrapping), +0.00019/-0.00021 (Prayer bead)
LSM: chi^2 = 69.7, n_freedom = 31

Actions:

. . .

Light curve

Catalog geometry

R_p: N/A +/- N/A R_Jup	R_*: N/A +/- N/A R_Sun
i: N/A +/- N/A °	A: N/A +/- N/A AU

Measured geometry

R_p: N/A _-N/A ^+N/A R_Jup
i: N/A _-N/A\|N/A ^+N/A\|N/A °

Neighborhood of the object, comparison and check stars

Comments