The remarkable absorption-line systems in the quasar Tololo 1037-27

Details The remarkable absorption-line systems in the quasar Tololo 1037-27 The remarkable absorption-line systems in the quasar Tololo 1037-27

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.220..429u&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 220, May 15, 1986, p. 429-438.

Astronomy and Astrophysics

Astronomy

14

Absorption Spectra, Astronomical Spectroscopy, Line Spectra, Quasars, Carbon, Lyman Alpha Radiation, Red Shift, Silicon

Scientific paper

The authors present the first spectroscopic observations and analysis of the absorption-line systems in the quasar Tololo 1037-27. The observations show that this quasar has a rich and remarkable absorption spectrum. Six absorption-line systems are found between zabs = 1.971 and zabs = 2.138. The two strongest of these systems are highly ionized and have Lyα and C IV linewidth between 600 and 1100 km s-1 wide. These lines could be the superposition of the absorption lines produced in the haloes of galaxies in two separate clusters, where the absorbing material is ionized by the quasar. Alternatively these absorption systems could be intrinsic to the quasars and represent two outflows of gas.

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