Median Statistics and the Hubble Constant

被引:126
|
作者
Chen, Gang [1 ]
Ratra, Bharat [2 ]
机构
[1] Tianjin Normal Univ, Tianjin Astrophys Ctr, Tianjin 300387, Peoples R China
[2] Kansas State Univ, Dept Phys, Manhattan, KS 66506 USA
基金
美国国家科学基金会;
关键词
CONSTRAINTS; IA;
D O I
10.1086/662131
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Following Gott et al., we use Huchra's final compilation of 553 measurements of the Hubble constant (H-0) to estimate median statistical constraints on H-0. Our median statistical analysis yields H-0 = 68 +/- 5.5 (or +/- 1) kms(-1) Mpc(-1), where the errors are the 95% statistical and systematic (or statistical) errors. These results are close to what Gott et al. found a decade ago, with smaller statistical errors and similar systematic errors. With about two-thirds more measurements, we are also able to clearly illustrate the presence and magnitude of systematic errors for different methods.
引用
收藏
页码:1127 / 1132
页数:6
相关论文
共 50 条
  • [31] Median-shift sign statistics for constant signal detection in impulsive noise environment
    Kim, HG
    Song, I
    Kim, KS
    Kim, YH
    Park, SR
    [J]. MILCOM 97 PROCEEDINGS, VOLS 1-3, 1997, : 1382 - 1386
  • [32] Hubble-constant crisis
    Cai, Rong-Gen
    Li, Li
    Wang, Shao-Jiang
    [J]. ACTA PHYSICA SINICA, 2023, 72 (23)
  • [33] THE 1% CONCORDANCE HUBBLE CONSTANT
    Bennett, C. L.
    Larson, D.
    Weiland, J. L.
    Hinshaw, G.
    [J]. ASTROPHYSICAL JOURNAL, 2014, 794 (02):
  • [34] A combined value of the Hubble constant
    Nevalainen, J
    Roos, M
    [J]. NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 1999, 70 : 123 - 125
  • [35] TYCHO SUPERNOVA AND THE HUBBLE CONSTANT
    DEVAUCOULEURS, G
    [J]. ASTROPHYSICAL JOURNAL, 1985, 289 (01): : 5 - 9
  • [36] Cepheid parallaxes and the Hubble constant
    van Leeuwen, Floor
    Feast, Michael W.
    Whitelock, Patricia A.
    Laney, Clifton D.
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2007, 379 (02) : 723 - 737
  • [37] Price of shifting the Hubble constant
    Evslin, Jarah
    Sen, Anjan A.
    Ruchika
    [J]. PHYSICAL REVIEW D, 2018, 97 (10)
  • [38] Redshift in Hubble's constant
    TempleRaston, M
    [J]. INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 1997, 36 (01) : 249 - 258
  • [39] HUBBLE CONSTANT - THE UNIVERSE IN CRISIS
    JACOBY, GH
    [J]. NATURE, 1994, 371 (6500) : 741 - 742
  • [40] The Hubble Constant and Dark Energy
    Mould, Jeremy
    [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2011, 123 (907) : 1030 - 1033