WW Cnc (Eclipsing binary)

RA: 09h 09m 48.60s, DE: +30° 25' 36.80" (137.4525000000, 30.4268888882)

4/15/2015, 18:53 - 4/15/2015, 20:08 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/16/2015, 18:56
  • Station: Hradec Králové, CZ (MPC 048)
  • Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + R
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Note:
# NAME WW Cnc 
# VAR 09:09:48.60 +30:25:36.8 2427133.459 1.1159843 10.5-11.6p EA/SD (VSX 20110202)
# 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 15/16 IV 2015; Rc_65_60s (64/29); 1.2h; minimum P
# NOTE 2457128.31135 +/- 0.00007; 20150415 19:28:21 (UT) GEO
# COND clear weather
Determined minima
  • P: 2457128.31136 (4/15/2015, 19:28)
    HJDmin: 2457128.31283 +/- 0.00009  
    Heliocentric correction: 0.00147
    Note: 
    # NAME WW Cnc 
# VAR 09:09:48.60 +30:25:36.8 2427133.459 1.1159843 10.5-11.6p EA/SD (VSX 20110202)
# 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 15/16 IV 2015; Rc_65_60s (64/29); 1.2h; minimum P
# NOTE 2457128.31135 +/- 0.00007; 20150415 19:28:21 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2457128.31136
Error (1 sigma): +0.00009/-0.00009 (Bootstrapping), +0.00010/-0.00007 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI):  +0.00016/-0.00019 (Bootstrapping), +0.00012/-0.00010 (Prayer bead)
LSM: chi^2 = 98.6, n_freedom = 59
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - WW Cnc, JD 2457128.28710
Comments