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Passband reconstruction from photometry

Published online by Cambridge University Press:  03 March 2020

Michael Weiler ,
Carme Jordi ,
Josep Manel Carrasco  and
Claus Fabricius
Michael Weiler
Affiliation:
Institut de Ciències del Cosmos, Universitat de Barcelona, Spain email: mweiler@fqa.ub.edu
Carme Jordi
Affiliation:
Institut de Ciències del Cosmos, Universitat de Barcelona, Spain email: mweiler@fqa.ub.edu
Josep Manel Carrasco
Affiliation:
Institut de Ciències del Cosmos, Universitat de Barcelona, Spain email: mweiler@fqa.ub.edu
Claus Fabricius
Affiliation:
Institut de Ciències del Cosmos, Universitat de Barcelona, Spain email: mweiler@fqa.ub.edu
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Abstract

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Photometric passbands are usually characterised through laboratory measurements and once in operations they are refined with true observations of reference sources with known spectral energy distribution. This paper revises the methods to determine those passbands and discusses the limitations encountered. The passbands are not fully constrained by the reference sources used and the method presented here allows to evaluate which is the constrained and the unconstrained component of the passband.

Keywords

standardstechniques: photometricmethods: analytical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium A30: Astronomy in Focus XXX , August 2018 , pp. 472 - 479
Copyright
© International Astronomical Union 2020

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