DW UMa

RA: 10h 33m 52.87s, DE: +58° 46' 54.70" (158.4702916667, 58.7818611104)

4/7/2020, 7:29 PM - 4/8/2020, 12:28 AM (UTC)

Data:

  • Observer: Martin Lehky
  • Created: 7/23/2020 12:19:55 PM
  • 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 DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (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 (170); 5.0h; minimum P and minimum P
# NOTE 2458947.34608 +/- 0.00039; 20200407 20:18:21 (UT) GEO
# NOTE 2458947.48325 +/- 0.00040; 20200407 23:35:53 (UT) GEO
# COND clear weather, full moon period
Determined minima
  • P: 2458947.34612 (4/7/2020, 20:18)
    HJDmin: 2458947.34781
    Heliocentric correction: 0.00169
    Note:
    # NAME DW UMa
    # VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (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 (170); 5.0h; minimum P and minimum P
    # NOTE 2458947.34608 +/- 0.00039; 20200407 20:18:21 (UT) GEO
    # NOTE 2458947.48325 +/- 0.00040; 20200407 23:35:53 (UT) GEO
    # COND clear weather, full moon period
    
    ----- EBFit result: -----
    Tmin = 2458947.34612
    Error (1 sigma): +0.00054/-0.00041 (Bootstrapping), +0.00109/-0.00110 (Prayer bead), +0.00042/-0.00042 (LSM)
    Error (95% CI):  +0.00106/-0.00113 (Bootstrapping), +0.00153/-0.00277 (Prayer bead)
    LSM: chi^2 = 27.6, n_freedom = 22
    
  • P: 2458947.48325 (4/7/2020, 23:35)
    HJDmin: 2458947.48494
    Heliocentric correction: 0.00169
    Note:
    # NAME DW UMa
    # VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (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 (170); 5.0h; minimum P and minimum P
    # NOTE 2458947.34608 +/- 0.00039; 20200407 20:18:21 (UT) GEO
    # NOTE 2458947.48325 +/- 0.00040; 20200407 23:35:53 (UT) GEO
    # COND clear weather, full moon period
    
    ----- EBFit result: -----
    Tmin = 2458947.48325
    Error (1 sigma): +0.00026/-0.00022 (Bootstrapping), +0.00016/-0.00006 (Prayer bead), +0.00040/-0.00040 (LSM)
    Error (95% CI):  +0.00058/-0.00047 (Bootstrapping), +0.00021/-0.00014 (Prayer bead)
    LSM: chi^2 = 11.5, n_freedom = 20
    
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments