Abundance ratios in quasi-stellar objects

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1977 English Publisher:Springer Science and Business Media LLCJournal:Astrophysics and Space Science, volume 51, pages 249-264 (issn: 0004-640X, eissn: 1572-946X,

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Authors: R. K. Thakur; P. K. Mishra;

doi: 10.1007/bf00644151

Abundance ratios in quasi-stellar objects

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Abstract

Relative abundances of carbon and aluminium with respect to silicon have been calculated in the QSOs PHL957, PKS0237-23, 1331+170, 3C191 and M132. Relative abundance of Fe with respect to Mg has been also calculated in the QSOs 1331+170 and PHL938. The ratiosN(C)/N(Si),N(Al)/N(Si) andN(Fe)/N(Mg) in QSOs considered as a class are (5.5±1.6), (0.13±0.03) and (2.6±1.2), respectively.

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Pandit Ravishankar Shukla University
India

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