DW UMa (食連星)

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

2018/04/14, 18:53 - 2018/04/15, 00:18 (UTC)

データ:
  • 観測者: Martin Lehky
  • 作成: 2018/05/11, 12:00
  • 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 20180415)
# 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 14/15 IV 2018; Rc_188_90s (163); 5.4h; minimum P, minimum P
# NOTE 2458223.33361 +/- 0.00029; 20180414 20:00:24 (UT) GEO
# NOTE 2458223.46993 +/- 0.00037; 20180414 23:16:42 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)
決定された極小
  • P: 2458223.33339 (2018/04/14, 20:00)
    HJDmin: 2458223.33467
    太陽中心補正: 0.00128
    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 20180415)
# 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 14/15 IV 2018; Rc_188_90s (163); 5.4h; minimum P, minimum P
# NOTE 2458223.33361 +/- 0.00029; 20180414 20:00:24 (UT) GEO
# NOTE 2458223.46993 +/- 0.00037; 20180414 23:16:42 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)

----- EBFit result: -----
Tmin = 2458223.33457
Error (1 sigma): +0.00054/-0.00124 (Bootstrapping), +0.00082/-0.00102 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI):  +0.00102/-0.00148 (Bootstrapping), +0.00151/-0.00175 (Prayer bead)
LSM: chi^2 = 40.0, n_freedom = 16


----- EBFit result: -----
Tmin = 2458223.33339
Error (1 sigma): +0.00023/-0.00017 (Bootstrapping), +0.00013/-0.00009 (Prayer bead), +0.00031/-0.00031 (LSM)
Error (95% CI):  +0.00060/-0.00041 (Bootstrapping), +0.00018/-0.00032 (Prayer bead)
LSM: chi^2 = 8.0, n_freedom = 18
  • P: 2458223.47011 (2018/04/14, 23:16)
    HJDmin: 2458223.47138
    太陽中心補正: 0.00127
    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 20180415)
# 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 14/15 IV 2018; Rc_188_90s (163); 5.4h; minimum P, minimum P
# NOTE 2458223.33361 +/- 0.00029; 20180414 20:00:24 (UT) GEO
# NOTE 2458223.46993 +/- 0.00037; 20180414 23:16:42 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)

----- EBFit result: -----
Tmin = 2458223.47011
Error (1 sigma): +0.00036/-0.00035 (Bootstrapping), +0.00011/-0.00012 (Prayer bead), +0.00034/-0.00034 (LSM)
Error (95% CI):  +0.00068/-0.00082 (Bootstrapping), +0.00026/-0.00039 (Prayer bead)
LSM: chi^2 = 13.4, n_freedom = 17
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 2458223.28704
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