Identification of lines in the spectrum of the quasar 0237-233

Details Identification of lines in the spectrum of the quasar 0237-233 Identification of lines in the spectrum of the quasar 0237-233

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.149..197v&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 149, no. 2, Nov. 1988, p. 197-215.

Astronomy and Astrophysics

Astrophysics

1

Line Spectra, Metallicity, Quasars, Spectrum Analysis, Absorption Spectra, Chromium, Emission Spectra, Iron, Stellar Models, Titanium

Scientific paper

The emission and absorption lines (λλ3716 - 4290) in the spectrum of the quasar 0237-233 are identified within the framework of the PLS model. The available evidence indicates that it is a helium star. Similarities between the spectral properties of 0237-233 and the star Upsilon Sagittarii are pointed out. Predictions are made for the absorption-line spectrum which falls outside λλ3716 - 4290 and also for an expected discontinuity at λ2600.

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