LP UMa (Eclipsing binary)

RA: 10h 33m 57.87s, DE: +58° 52' 15.70" (158.4911250000, 58.8710277771)

2/17/2019, 17:22 - 2/18/2019, 00:09 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 2/24/2019, 10:00
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME LP UMa
# VAR 10:33:57.87 +58:52:15.7 2452500.2181 0.3098971 12.53-12.8V EW (VSX 20190220)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT Rc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 II 2019; Rc_260_90s (226/91); 6.7h; maximum, minimum S and maximum
# NOTE 2458532.34395 +/- 0.00129; 20190217 20:15:17 (UT) GEO
# COND clear weather, full moon period
Determined minima
  • S: 2458532.34287 (2/17/2019, 20:13)
    HJDmin: 2458532.34674 +/- 0.00106  
    Heliocentric correction: 0.00387
    Note: 
    # NAME LP UMa
# VAR 10:33:57.87 +58:52:15.7 2452500.2181 0.3098971 12.53-12.8V EW (VSX 20190220)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT Rc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 17/18 II 2019; Rc_260_90s (226/91); 6.7h; maximum, minimum S and maximum
# NOTE 2458532.34395 +/- 0.00129; 20190217 20:15:17 (UT) GEO
# COND clear weather, full moon period


----- EBFit result: -----
Tmin = 2458532.34287
Error (1 sigma): +0.00118/-0.00095 (Bootstrapping), +0.00135/-0.00116 (Prayer bead), +0.00104/-0.00104 (LSM)
Error (95% CI):  +0.00243/-0.00190 (Bootstrapping), +0.00216/-0.00275 (Prayer bead)
LSM: chi^2 = 92.9, n_freedom = 96
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - LP UMa, JD 2458532.22422
Comments