The distribution of neutral hydrogen in the interstellar medium. 1: The data

Abstract

view Abstract Citations (128) References (88) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Distribution of Neutral Hydrogen in the Interstellar Medium. I. The Data Fruscione, Antonella ; Hawkins, Isabel ; Jelinsky, Patrick ; Wiercigroch, Alexandria Abstract We compile, from the existing literature, the largest sample to date (842 data points) of hydrogen column density measurements, N(H I), of the gas in the interstellar medium. We include only results obtained from absorption measurements toward individual stars (594 in our sample) in an effort to construct a three-dimensional picture of the interstellar gas. We derive hydrogen column densities toward a fraction of the stars in the sample from published column density measurements of metal ions. A three-dimensional physical model derived from this data set will be presented in a companion paper. The observed stars span distances from a few parsecs to a few thousand parsecs, and more than half of the sample serves to describe the local interstellar medium within a few hundred parsecs of the Sun. Hydrogen column densities range from 1017 to 1022/sq cm. We describe here the various observational methods used to estimate the hydrogen column densities and present the table with the stellar and hydrogen column density data. The provided table is intended as a global reference work, not to introduce new results. Publication: The Astrophysical Journal Supplement Series Pub Date: September 1994 DOI: 10.1086/192075 Bibcode: 1994ApJS...94..127F Keywords: Astronomical Catalogs; Extreme Ultraviolet Radiation; H I Regions; Interstellar Gas; Ultraviolet Astronomy; X Ray Astronomy; Extreme Ultraviolet Explorer Satellite; Ionized Gases; Iue; Lyman Alpha Radiation; Neutral Gases; Oao 3; Rosat Mission; Astronomy; ISM: ABUNDANCES; ASTRONOMICAL DATA BASES: MISCELLANEOUS; CATALOGS full text sources ADS | data products SIMBAD (595) MAST (2) CDS (2) Related Materials (1) Catalog: 2001yCat..20940127F