NT UMa (Eclipsing binary)

RA: 08h 24m 39.00s, DE: +72° 45' 27.00" (126.1625000000, 72.7575000000)

1/26/2017, 21:55 - 1/27/2017, 04:37 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 3/14/2017, 19:28
  • Station: Upice observatory
  • Instrument: 0.16-m f/11 Mertz refractor + CCD ST-2000XM + C
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME NT UMa
# VAR 08:24:38.98 +72:45:27.0 2451520.823 1.66439 13.75-14.3R1 EA (VSX 20170127)
# OBS Martin Lehky (Upice observatory CZ; 0.16-m f/11 Mertz refractor + CCD ST2000XM)
# FLT C
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 26/27 I 2017; C_193_120s (178/67); 6.7h; minimum P
# NOTE 2457780.52267 +/- 0.00019; 20170127 00:32:39 (UT) GEO
# COND clear weather
Determined minima
  • P: 2457780.52264 (1/27/2017, 00:32)
    HJDmin: 2457780.52595 +/- 0.00021  
    Heliocentric correction: 0.00331
    Note: 
    # NAME NT UMa
# VAR 08:24:38.98 +72:45:27.0 2451520.823 1.66439 13.75-14.3R1 EA (VSX 20170127)
# OBS Martin Lehky (Upice observatory CZ; 0.16-m f/11 Mertz refractor + CCD ST2000XM)
# FLT C
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 26/27 I 2017; C_193_120s (178/67); 6.7h; minimum P
# NOTE 2457780.52267 +/- 0.00019; 20170127 00:32:39 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457780.52264
Error (1 sigma): +0.00022/-0.00021 (Bootstrapping), +0.00006/-0.00006 (Prayer bead), +0.00019/-0.00019 (LSM)
Error (95% CI):  +0.00041/-0.00043 (Bootstrapping), +0.00010/-0.00008 (Prayer bead)
LSM: chi^2 = 95.5, n_freedom = 85
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - NT UMa, JD 2457780.41374
Comments