LM Boo (Eclipsing binary)

RA: 14h 36m 35.50s, DE: +24° 00' 37.00" (219.1479166667, 24.0102777778)

2/27/2019, 23:07 - 2/28/2019, 04:09 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 3/28/2019, 19:54
  • 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 LM Boo
# VAR 14:36:35.50 +24:00:37.1 2453823.7171 0.327925 12.6-13.2V EW (VSX 20190319)
# 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 27/28 II 2019; V_83_90s (79/28); Rc_83_60s (77/28); Ic_83_60s (77/27); 5.0h; minimum P
# NOTE FLT V 2458542.54129 +/- 0.00013; 20190228 00:59:27 (UT) GEO
# NOTE FLT Rc 2458542.54131 +/- 0.00012; 20190228 00:59:29 (UT) GEO
# NOTE FLT Ic 2458542.54091 +/- 0.00015; 20190228 00:58:55 (UT) GEO
# NOTE FLT BVRcIc average 2458542.54117 +/- 0.00015; 20190228 00:59:17 (UT) GEO
# COND clear weather
Determined minima
  • P: 2458542.54118 (2/28/2019, 00:59)
    HJDmin: 2458542.54423 +/- 0.00027  
    Heliocentric correction: 0.00305
    Note: 
    # NAME LM Boo
# VAR 14:36:35.50 +24:00:37.1 2453823.7171 0.327925 12.6-13.2V EW (VSX 20190319)
# 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 27/28 II 2019; V_83_90s (79/28); Rc_83_60s (77/28); Ic_83_60s (77/27); 5.0h; minimum P
# NOTE FLT V 2458542.54129 +/- 0.00013; 20190228 00:59:27 (UT) GEO
# NOTE FLT Rc 2458542.54131 +/- 0.00012; 20190228 00:59:29 (UT) GEO
# NOTE FLT Ic 2458542.54091 +/- 0.00015; 20190228 00:58:55 (UT) GEO
# NOTE FLT BVRcIc average 2458542.54117 +/- 0.00015; 20190228 00:59:17 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458542.54118
Error (1 sigma): +0.00027/-0.00026 (Bootstrapping), +0.00023/-0.00023 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI):  +0.00048/-0.00053 (Bootstrapping), +0.00036/-0.00031 (Prayer bead)
LSM: chi^2 = 175.0, n_freedom = 38
  • P: 2458542.54138 (2/28/2019, 00:59)
    HJDmin: 2458542.54443 +/- 0.00020  
    Heliocentric correction: 0.00305
    Note: 
    # NAME LM Boo
# VAR 14:36:35.50 +24:00:37.1 2453823.7171 0.327925 12.6-13.2V EW (VSX 20190319)
# 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 27/28 II 2019; V_83_90s (79/28); Rc_83_60s (77/28); Ic_83_60s (77/27); 5.0h; minimum P
# NOTE FLT V 2458542.54129 +/- 0.00013; 20190228 00:59:27 (UT) GEO
# NOTE FLT Rc 2458542.54131 +/- 0.00012; 20190228 00:59:29 (UT) GEO
# NOTE FLT Ic 2458542.54091 +/- 0.00015; 20190228 00:58:55 (UT) GEO
# NOTE FLT BVRcIc average 2458542.54117 +/- 0.00015; 20190228 00:59:17 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458542.54138
Error (1 sigma): +0.00017/-0.00022 (Bootstrapping), +0.00007/-0.00008 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI):  +0.00035/-0.00041 (Bootstrapping), +0.00011/-0.00014 (Prayer bead)
LSM: chi^2 = 91.0, n_freedom = 36
  • P: 2458542.54100 (2/28/2019, 00:59)
    HJDmin: 2458542.54405 +/- 0.00022  
    Heliocentric correction: 0.00305
    Note: 
    # NAME LM Boo
# VAR 14:36:35.50 +24:00:37.1 2453823.7171 0.327925 12.6-13.2V EW (VSX 20190319)
# 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 27/28 II 2019; V_83_90s (79/28); Rc_83_60s (77/28); Ic_83_60s (77/27); 5.0h; minimum P
# NOTE FLT V 2458542.54129 +/- 0.00013; 20190228 00:59:27 (UT) GEO
# NOTE FLT Rc 2458542.54131 +/- 0.00012; 20190228 00:59:29 (UT) GEO
# NOTE FLT Ic 2458542.54091 +/- 0.00015; 20190228 00:58:55 (UT) GEO
# NOTE FLT BVRcIc average 2458542.54117 +/- 0.00015; 20190228 00:59:17 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2458542.54100
Error (1 sigma): +0.00021/-0.00023 (Bootstrapping), +0.00023/-0.00022 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI):  +0.00041/-0.00049 (Bootstrapping), +0.00036/-0.00033 (Prayer bead)
LSM: chi^2 = 93.7, n_freedom = 37
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - LM Boo, JD 2458542.46362
Comments