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Interpretation of Quasar Colours in the Near IR

Published online by Cambridge University Press:  25 April 2016

A. R. Hyland  and
M. P. Schwarz
A. R. Hyland
Affiliation:
Mount stromlo and Siding Spring Observatory, Australian National University
M. P. Schwarz
Affiliation:
Mount stromlo and Siding Spring Observatory, Australian National University
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Extract

Over the past ten years, there has been considerable interest in the infrared continua of quasars, however few published colours exist in the literature. The only major compilation of infrared data out to 2.2 μ is that of Oke et al. (1970). The intrinsic faintness of the sources prevented the acquisition of significant high quality data. This situation is not expected to remain static for very long. The recent introduction of new high sensitivity InSb detectors has made it possible for a large number of sources to be measured, and published data is expected to increase significantly over the next few years.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 2 , September 1977 , pp. 137 - 140
Copyright
Copyright © Astronomical Society of Australia 1977

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References

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