IU Cnc (Eclipsing binary)

RA: 09h 00m 59.10s, DE: +12° 58' 52.00" (135.2462500000, 12.9811111104)

4/4/2015, 18:24 - 4/4/2015, 20:35 (UTC)

Data:
  • Observer: Martin Lehky
  • Created: 5/16/2015, 16:01
  • 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 IU Cnc
# VAR 09:00:59.06 +12:58:51.6 2451630.65700 0.4216475 11.80-12.36V EW (VSX 20110329)
# 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 04/05 IV 2015; Rc_115_60s (102/60); 2.2h; minimum S
# NOTE 2457117.31344 +/- 0.00018; 20150404 19:31:21 (UT) GEO
# COND clear weather; full moon period
Determined minima
  • S: 2457117.31344 (4/4/2015, 19:31)
    HJDmin: 2457117.31623 +/- 0.00024  
    Heliocentric correction: 0.00279
    Note: 
    # NAME IU Cnc
# VAR 09:00:59.06 +12:58:51.6 2451630.65700 0.4216475 11.80-12.36V EW (VSX 20110329)
# 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 04/05 IV 2015; Rc_115_60s (102/60); 2.2h; minimum S
# NOTE 2457117.31344 +/- 0.00018; 20150404 19:31:21 (UT) GEO
# COND clear weather; full moon period

----- EBFit result: -----
Tmin = 2457117.31344
Error (1 sigma): +0.00022/-0.00026 (Bootstrapping), +0.00014/-0.00014 (Prayer bead), +0.00018/-0.00018 (LSM)
Error (95% CI):  +0.00044/-0.00050 (Bootstrapping), +0.00020/-0.00019 (Prayer bead)
LSM: chi^2 = 150.2, n_freedom = 97
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - IU Cnc, JD 2457117.26697
Comments