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On the Problem of Standardisation in Time-Domain Photometry

Published online by Cambridge University Press:  29 August 2019

C. Sterken
C. Sterken*
Affiliation:
Department of Physics, University of Brussels, Brussels, Belgium
*
email: csterken@vub.ac.be
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Abstract

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This presentation addressed some aspects of photometric standardisation and calibration that have a very significant effect on the accuracy of long time-baseline photometry. The difficulties were illustrated by examples of combinations of vintage photographic magnitudes with photomultiplier and CCD photometry, and with photometry from space. The case studies involved variability on time-scales of hours, years, decades and centuries. The examples went beyond classical problems of combining incongruent and ambiguous passbands, non-linear detectors and poor standardisation.

Keywords

Stars: imagingstars: individual (AG Car, η Car, HD 34664, ZZ Cet, γ Dor)techniques: photometricinstrumentation: photometers
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S339: Southern Horizons in Time-Domain Astronomy , November 2017 , pp. 139 - 142
Copyright
© International Astronomical Union 2019 

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