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Tests and discussion on the solution uniqueness of population synthesis methods

Published online by Cambridge University Press:  07 August 2017

Alex A. Schmidt
Affiliation:
Universidade Federal de Santa Maria, Depto. de Matemática, 97119 Santa Maria - RS, Brazil Astronomy Centre, University of Sussex, Falmer, Brighton, BN1 9QH, UK
Marcus V.F. Copetti
Affiliation:
Universidade Federal de Santa Maria, Depto. de Matemática, 97119 Santa Maria - RS, Brazil Royal Greenwich Observatory, Madingley Road, Cambridge CB3 0EZ, UK
Danielle Alloin
Affiliation:
Observatory de Paris - URA 173 du CNRS, Département d'Astrophysique Extragalactique et de Cosmologie, F-92195 Meudon, France
Pascale Jablonka
Affiliation:
Observatory de Paris - URA 173 du CNRS, Département d'Astrophysique Extragalactique et de Cosmologie, F-92195 Meudon, France

Extract

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Population synthesis is a powerful tool to study stellar populations where the analysis of the stellar content of a composite system is based on the results of breaking down into components (of a given base) the spectrum of the observed system. Such process constitutes an inverse problem which can have a multitude of possible or “acceptable” solutions. This degenerative character of the synthesis rises mainly from observable errors and from the base of components itself with respect to its internal consistency and its (in)capacity to fully embrace all the free parameters involved.

Type
Poster Papers
Copyright
Copyright © Kluwer 

References

Bica, E., 1988, Astr. Astrophys. , 195, 76.Google Scholar
Schmidt, A.A., Copetti, M.V.F., Alloin, D. and Jablonka, P., 1991, MNRAS , 249, 766.CrossRefGoogle Scholar