BV Dra (食連星)

RA: 15h 11m 50.36s, DE: +61° 51' 25.30" (227.9598333283, 61.8570277778)

2023/06/14, 20:17 - 2023/06/14, 23:52 (UTC)

データ:
  • 観測者: Urbaník M.
  • 作成: 2023/06/15 13:23:55
  • 観測所: Kysucká hvezdáreň
  • 観測装置: MEGREZ 88 FD 88/498 + MII G2-8300
  • 測光バンド: B
  • 基準時: Gjd
  • 光度: Mag
注釈:
CCD+B,exp.30 s., comp. HD134825.
決定された極小
  • P: 2460110.44257 (2023/06/14, 22:37)
    HJDmin: 2460110.44260
    太陽中心補正: 0.00003
    注釈: 
    CCD+B,exp.30 s., comp. HD134825.

----- EBFit result: -----
Tmin = 2460110.44257
Error (1 sigma): +0.00018/-0.00018 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI):  +0.00037/-0.00034 (Bootstrapping), +0.00015/-0.00025 (Prayer bead)
LSM: chi^2 = 251.5, n_freedom = 54
  • P: 2460110.44461 (2023/06/14, 22:40)
    HJDmin: 2460110.44464
    太陽中心補正: 0.00003
    注釈: 
    CCD+V,exp.20 s., comp. HD134825.

----- EBFit result: -----
Tmin = 2460110.44461
Error (1 sigma): +0.00022/-0.00022 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00046/-0.00044 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
LSM: chi^2 = 1083.4, n_freedom = 60
  • P: 2460110.44398 (2023/06/14, 22:39)
    HJDmin: 2460110.44401
    太陽中心補正: 0.00003
    注釈: 
    CCD+R,exp.10 s., comp. HD134825.

----- EBFit result: -----
Tmin = 2460110.44398
Error (1 sigma): +0.00019/-0.00020 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI):  +0.00036/-0.00040 (Bootstrapping), +0.00007/-0.00006 (Prayer bead)
LSM: chi^2 = 1120.2, n_freedom = 56
  • P: 2460110.44392 (2023/06/14, 22:39)
    HJDmin: 2460110.44395
    太陽中心補正: 0.00003
    注釈: 
    CCD+I,exp.10 s., comp. HD134825.

----- EBFit result: -----
Tmin = 2460110.44392
Error (1 sigma): +0.00023/-0.00023 (Bootstrapping), +0.00006/-0.00005 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI):  +0.00048/-0.00041 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
LSM: chi^2 = 1008.8, n_freedom = 58
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 - BV Dra, JD 2460110.34562
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