GV Leo - JD 2457840.28479

GV Leo (Eclipsing binary)

RA: 10h 11m 59.23s, DE: +16° 52' 29.50" (152.9967916617, 16.8748611104)

3/27/2017, 18:50 - 3/28/2017, 00:29 (UTC)

Data:

Observer: Martin Lehky
Created: 4/13/2017, 22:04
Station: Hradec Králové, CZ (MPC 048)
Instrument: 0.40-m f/5 + CCD G2-1600 + BVRcIc
Photometric band: B
Time standard: Gjd
Brightness in: Mag

Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather

Determined minima

S: 2457840.31517 (3/27/2017, 19:33)
HJD_min: 2457840.31965 +/- 0.00022
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather


----- EBFit result: -----
Tmin = 2457840.31517
Error (1 sigma): +0.00018/-0.00025 (Bootstrapping), +0.00008/-0.00007 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00044/-0.00048 (Bootstrapping), +0.00013/-0.00019 (Prayer bead)
LSM: chi^2 = 107.6, n_freedom = 26

S: 2457840.31519 (3/27/2017, 19:33)
HJD_min: 2457840.31967 +/- 0.00014
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather

----- EBFit result: -----
Tmin = 2457840.31519
Error (1 sigma): +0.00013/-0.00015 (Bootstrapping), +0.00005/-0.00005 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI):  +0.00028/-0.00026 (Bootstrapping), +0.00009/-0.00013 (Prayer bead)
LSM: chi^2 = 92.8, n_freedom = 25

S: 2457840.31496 (3/27/2017, 19:33)
HJD_min: 2457840.31944 +/- 0.00015
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather


----- EBFit result: -----
Tmin = 2457840.31496
Error (1 sigma): +0.00014/-0.00016 (Bootstrapping), +0.00008/-0.00008 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00033/-0.00033 (Bootstrapping), +0.00014/-0.00015 (Prayer bead)
LSM: chi^2 = 86.5, n_freedom = 25

S: 2457840.31529 (3/27/2017, 19:34)
HJD_min: 2457840.31977 +/- 0.00018
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather

----- EBFit result: -----
Tmin = 2457840.31529
Error (1 sigma): +0.00018/-0.00019 (Bootstrapping), +0.00004/-0.00006 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI):  +0.00035/-0.00036 (Bootstrapping), +0.00014/-0.00010 (Prayer bead)
LSM: chi^2 = 48.1, n_freedom = 26

P: 2457840.44885 (3/27/2017, 22:46)
HJD_min: 2457840.45333 +/- 0.00026
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather

----- EBFit result: -----
Tmin = 2457840.44885
Error (1 sigma): +0.00029/-0.00024 (Bootstrapping), +0.00018/-0.00019 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI):  +0.00062/-0.00049 (Bootstrapping), +0.00026/-0.00029 (Prayer bead)
LSM: chi^2 = 236.4, n_freedom = 31

P: 2457840.44882 (3/27/2017, 22:46)
HJD_min: 2457840.45330 +/- 0.00022
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather

----- EBFit result: -----
Tmin = 2457840.44882
Error (1 sigma): +0.00023/-0.00021 (Bootstrapping), +0.00013/-0.00014 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI):  +0.00046/-0.00044 (Bootstrapping), +0.00017/-0.00019 (Prayer bead)
LSM: chi^2 = 364.0, n_freedom = 32

P: 2457840.44838 (3/27/2017, 22:45)
HJD_min: 2457840.45286 +/- 0.00018
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather


----- EBFit result: -----
Tmin = 2457840.44838
Error (1 sigma): +0.00018/-0.00018 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00038/-0.00037 (Bootstrapping), +0.00010/-0.00008 (Prayer bead)
LSM: chi^2 = 171.7, n_freedom = 31

P: 2457840.44845 (3/27/2017, 22:45)
HJD_min: 2457840.45293 +/- 0.00024
Heliocentric correction: 0.00448
Note:

# NAME GV Leo
# VAR 10:11:59.17 +16:52:30.1 2452754.4602 0.266727 11.45-11.96V EW (VSX 20170328)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 27/28 III 2017; B_91_90s (83); V_91_60s (85); Rc_91_30s (87); Ic_91_30s (86); 5.6h; minimum S, maximum, minimum P

# NOTE FLT B 2457840.31515 +/- 0.00011; 20170327 19:33:49 (UT) GEO
# NOTE FLT V 2457840.31519 +/- 0.00008; 20170327 19:33:52 (UT) GEO
# NOTE FLT Rc 2457840.31495 +/- 0.00009; 20170327 19:33:32 (UT) GEO
# NOTE FLT Ic 2457840.31528 +/- 0.00013; 20170327 19:34:00 (UT) GEO
# NOTE FLT BVRcIc average 2457840.31514 +/- 0.00013; 20170327 19:33:48 (UT) GEO

# NOTE FLT B 2457840.44876 +/- 0.00010; 20170327 22:46:13 (UT) GEO
# NOTE FLT V 2457840.44878 +/- 0.00007; 20170327 22:46:15 (UT) GEO
# NOTE FLT Rc 2457840.44837 +/- 0.00009; 20170327 22:45:39 (UT) GEO
# NOTE FLT Ic 2457840.44844 +/- 0.00011; 20170327 22:45:45 (UT) GEO
# NOTE FLT BVRcIc average 2457840.44859 +/- 0.00011; 20170327 22:45:58 (UT) GEO

# COND FINE clear weather


----- EBFit result: -----
Tmin = 2457840.44845
Error (1 sigma): +0.00025/-0.00024 (Bootstrapping), +0.00006/-0.00006 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI):  +0.00053/-0.00048 (Bootstrapping), +0.00012/-0.00013 (Prayer bead)
LSM: chi^2 = 188.5, n_freedom = 32

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