A high-resolution optical survey of interstellar absorption lines toward globular clusters and extragalactic objects. II - Further data

Details A high-resolution optical survey of interstellar absorption lines toward globular clusters and extragalactic objects. II - Further data A high-resolution optical survey of interstellar absorption lines toward globular clusters and extragalactic objects. II - Further data

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..956s&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Sept. 15, 1981, p. 956-962.

Astronomy and Astrophysics

Astrophysics

20

Astronomical Spectroscopy, Globular Clusters, Interstellar Matter, Visible Spectrum, Absorption Spectra, Astronomical Catalogs, Galactic Nuclei, High Resolution, Quasars

Scientific paper

A status report is given on an ongoing survey of narrow-line, visual absorption components, which has been expanded to include lines of sight to the 3C 273 quasar, the nucleus of M87, and the NGC 1851, NGC 2808, and 47 Tuc globular cluster cores. The number density of components of the halo is calculated to lie between one-third and one per 100 kpc, though with substantial uncertainty. This estimate is held to be consistent with the galactic halo interpretation of the origin of high column density, quasar absorption-line systems.

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