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1. The Solar Spectrum in 1877–8; with some Idea of its Probable Temperature of Origination

Published online by Cambridge University Press:  15 September 2014

Piazzi Smyth
Piazzi Smyth
Affiliation:
Astronomer Royal for Scotland
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Abstract

This solar spectrum contains measures of about 2000 fixed lines, or fully a third more than are represented in Ångström's worthily celebrated Normal Solar Spectrum Map, which is taken as the standard reference for “place.” The observations were made in Lisbon during the summers of 1877–8, with apparatus prepared by the author; who aimed at including everything visible, from the extreme red to the extreme violet ends of the spectrum, so far as that is amenable to the human eye after transmission through glass.

Type
Proceedings 1878–79
Information
Proceedings of the Royal Society of Edinburgh , Volume 10 , 1880 , pp. 274 - 275
Copyright
Copyright © Royal Society of Edinburgh 1880

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