LP UMa (Eclipsing binary)

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

4/7/2020, 19:29 - 4/8/2020, 00:28 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 7/23/2020, 12:18
  • 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 20200413)
# 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 07/08 IV 2020; Rc_180_90s (174/112); 5.0h; maximum and minimum P
# NOTE 2458947.45091 +/- 0.00138; 20200407 22:49:19 (UT) GEO
# COND clear weather, full moon period
Determined minima
  • P: 2458947.45084 (4/7/2020, 22:49)
    HJDmin: 2458947.45252 +/- 0.00107  
    Heliocentric correction: 0.00168
    Note: 
    # NAME LP UMa
# VAR 10:33:57.87 +58:52:15.7 2452500.2181 0.3098971 12.53-12.8V EW (VSX 20200413)
# 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 07/08 IV 2020; Rc_180_90s (174/112); 5.0h; maximum and minimum P
# NOTE 2458947.45091 +/- 0.00138; 20200407 22:49:19 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458947.45084
Error (1 sigma): +0.00098/-0.00115 (Bootstrapping), +0.00037/-0.00038 (Prayer bead), +0.00141/-0.00141 (LSM)
Error (95% CI):  +0.00198/-0.00245 (Bootstrapping), +0.00104/-0.00071 (Prayer bead)
LSM: chi^2 = 53.3, n_freedom = 83
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - LP UMa, JD 2458947.31215
Comments