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A New Observing Station at the PIC Du Midi Observatory for the Absolute Calibration of Stellar Radiation

Published online by Cambridge University Press:  04 August 2017

Roger H. Peyturaux
Roger H. Peyturaux*
Affiliation:
Institute for Astrophysics, Paris

Abstract

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A new observing station designed for the absolute calibration of stellar and solar radiation has been built in the last few years at the Pic du Midi Observatory, France, at an elevation of 2860 meters. The stellar observations may begin next summer. The main improvements with respect to the calibration experiments carried out during the last decades are the use of a new type of blackbody source and an optical arrangement which is free of systematic errors in the measurements of the star/blackbody ratio. The aim of the experiment is to establish a set of homogeneous standards (about 10 B and A stars) covering the whole northern sky.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 111: Calibration of Fundamental Stellar Quantities , 1985 , pp. 475 - 478
Copyright
Copyright © Reidel 1985 

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