DW UMa (食連星)

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

2020/04/07, 19:29 - 2020/04/08, 00:28 (UTC)

データ:
  • 観測者: Martin Lehky
  • 作成: 2020/07/23, 12:19
  • 観測所: Hradec Králové, CZ (MPC 048)
  • 観測装置: EQ6 + 0.25-m f/4 + CCD ST7 + Rc
  • 測光バンド: R
  • 基準時: Gjd
  • 光度: Mag
注釈:
# 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
決定された極小
  • P: 2458947.34612 (2020/04/07, 20:18)
    HJDmin: 2458947.34781
    太陽中心補正: 0.00169
    注釈: 
    # 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 (2020/04/07, 23:35)
    HJDmin: 2458947.48494
    太陽中心補正: 0.00169
    注釈: 
    # 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
アクション:
光度曲線
近傍の天体、比較星や確認用の恒星
チャート - DW UMa, JD 2458947.31215
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