Heavy element abundances in absorption line systems towards Q2206-199N

Details Heavy element abundances in absorption line systems towards Q2206-199N Heavy element abundances in absorption line systems towards Q2206-199N

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.118..499r&link_type=abstract

(IAU, Asian-Pacific Regional Meeting, 3rd, Kyoto, Japan, Sept. 30-Oct. 5, 1984) Astrophysics and Space Science (ISSN 0004-640X),

Astronomy and Astrophysics

Astrophysics

1

Absorption Spectra, Hydrogen Clouds, Lyman Alpha Radiation, Metallicity, Quasars, Heavy Elements, Interstellar Gas

Scientific paper

Spectroscopy of the z = 2.0763 absorption line system in Q2206-199N
shows that it has a very large hydrogen column density
(5×1020cm-2) but extremely weak absorption
due to heavy elements. The authors discuss the possibility that the gas
cloud causing this aborption system may be exceptionally metal-poor.

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