LP UMa (Eclipsing binary)

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

4/14/2018, 18:53 - 4/15/2018, 00:20 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/11/2018, 11:54
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + Rc
  • 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 20180415)
# 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 14/15 IV 2018; Rc_188_90s (175/68); 5.4h; minimum S and maximum
# NOTE 2458223.36711 +/- 0.00044; 20180414 20:48:38 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)
Determined minima
  • S: 2458223.36710 (4/14/2018, 20:48)
    HJDmin: 2458223.36837 +/- 0.00050  
    Heliocentric correction: 0.00127
    Note: 
    # NAME LP UMa
# VAR 10:33:57.87 +58:52:15.7 2452500.2181 0.3098971 12.53-12.8V EW (VSX 20180415)
# 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 14/15 IV 2018; Rc_188_90s (175/68); 5.4h; minimum S and maximum
# NOTE 2458223.36711 +/- 0.00044; 20180414 20:48:38 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)

----- EBFit result: -----
Tmin = 2458223.36710
Error (1 sigma): +0.00051/-0.00049 (Bootstrapping), +0.00026/-0.00025 (Prayer bead), +0.00046/-0.00046 (LSM)
Error (95% CI):  +0.00095/-0.00100 (Bootstrapping), +0.00050/-0.00031 (Prayer bead)
LSM: chi^2 = 119.4, n_freedom = 106
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - LP UMa, JD 2458223.28704
Comments