Concepedia

Hydrogen Column Density

Hydrogen Column Density is a physical quantity in astrophysics that denotes the integrated number of hydrogen atoms per unit area along a line of sight through the circumgalactic medium, typically measured in atoms per square centimeter.

913

Publications

57.4K

Citations

2.9K

Authors

761

Institutions

Publications per year

2017–2026

138

Parents

Publications

913

A survey of interstellar H I from L-alpha absorption measurements. II

R. C. Bohlin, Blair D. Savage, J. F. Drake · The Astrophysical Journal · 1978 · 2.6K citations

, , +14

The relationship between carbon monoxide abundance and visual extinction in interstellar clouds

M. A. Frerking, W. D. Langer, R. W. Wilson · The Astrophysical Journal · 1982 · 1.1K citations

, , +16

Distribution of Hydrogen in the Near Surface of Mars: Evidence for Subsurface Ice Deposits

W. V. Boynton, W. C. Feldman, S. W. Squyres et al. · Science · 2002 · 918 citations

, , +14

Calibration of X-ray absorption in our Galaxy

R. Willingale, R. L. C. Starling, A. P. Beardmore et al. · Monthly Notices of the Royal Astronomical Society · 2013 · 802 citations · Full text

, , +14

The relation between optical extinction and hydrogen column density in the Galaxy

Feryal ÖZel · Monthly Notices of the Royal Astronomical Society · 2009 · 662 citations · Full text

, , +11

1–5 of 913

Authors

2.9K

  1. BD
    Blair D. Savage

    University of Wisconsin–Madison, United States

    16 publications · 4.4K citations

    15

    h-index

  2. AV
    A. Vidal‐Madjar

    Institut d'Astrophysique de Paris, France

    13 publications · 873 citations

    11

    h-index

  3. JX
    J. X. Prochaska

    University of California, Santa Cruz, United States

    9 publications · 1K citations

    9

    h-index

  4. DS
    D. Semenov

    Max Planck Institute for Astronomy, Germany

    9 publications · 793 citations

    9

    h-index

  5. JP
    J. P. U. Fynbo

    University of Copenhagen, Denmark

    9 publications · 749 citations

    9

    h-index

1–5 of 2.9K

Institutions

761

  1. Centre National de la Recherche Scientifique

    Paris, France

    47 h-index

    278 publications

    19.3K citations

  2. Center for Astrophysics Harvard & Smithsonian

    Cambridge, United States

    33 h-index

    97 publications

    5.4K citations

  3. Johns Hopkins University

    Baltimore, United States

    31 h-index

    103 publications

    7.6K citations

  4. Goddard Space Flight Center

    Greenbelt, United States

    31 h-index

    97 publications

    8.9K citations

  5. Max Planck Institute for Extraterrestrial Physics

    Garching bei München, Germany

    30 h-index

    114 publications

    9.1K citations

  6. Space Telescope Science Institute

    Baltimore, United States

    29 h-index

    68 publications

    5.3K citations

  7. California Institute of Technology

    Pasadena, United States

    29 h-index

    133 publications

    10.8K citations

  8. Leiden University

    Leiden, The Netherlands

    28 h-index

    54 publications

    5.3K citations

1–8 of 761

Venues

  1. The Astrophysical Journal

    ApJ · 371 publications · 25.9K citations

    80

    h-index

  2. Monthly Notices of the Royal Astronomical Society

    159 publications · 9.4K citations

    52

    h-index

  3. Astronomy and Astrophysics

    112 publications · 6.9K citations

    49

    h-index

  4. The Astronomical Journal

    AJ · 28 publications · 1.5K citations

    22

    h-index

  5. The Astrophysical Journal Supplement Series

    19 publications · 2.1K citations

    19

    h-index

1–5