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The Stellar Content in the Central Region of M81

Published online by Cambridge University Press:  25 May 2016

Monique Joly ,
Catherine Boisson  and
Didier Pelat
Monique Joly
Affiliation:
Observatoire de Meudon, 92195 Meudon cedex, France
Catherine Boisson
Affiliation:
Observatoire de Meudon, 92195 Meudon cedex, France
Didier Pelat
Affiliation:
Observatoire de Meudon, 92195 Meudon cedex, France

Abstract

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Using long slit spectroscopy, we investigate the stellar population and reddening gradients inside the central regions of the nearby spiral galaxy M81. Observational data are analyzed using a new mathematical method. The basic elements to construct the synthetic spectra are taken from a database of star spectra. We show the ability of this method to define detailed stellar populations and to differentiate between age and metallicity effects.

Type
Part 3: Star Formation Processes and Chemical Evolution
Information
Symposium - International Astronomical Union , Volume 192: The Stellar Content of Local Group Galaxies , 1999 , pp. 373 - 376
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

Pelat, D. 1997, MNRAS, 284, 365 Google Scholar
Serote Roos, M., Boisson, C., Joly, M., Pelat, D. 1998, MNRAS, submitted Google Scholar