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4.16. A model of the Galactic disk by a central hole

Published online by Cambridge University Press:  25 May 2016

J.R.D. Lépine  and
P. Leroy
J.R.D. Lépine
Affiliation:
Instituto Astronômico e Geofísico, University of São Paulo
P. Leroy
Affiliation:
Departamento de Física, Universidade Federal de Minas Gerais, Brazil

Extract

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We present a model aimed to reproduce the infrared brigtness distribution of the Galaxy, as observed by the COBE-DIRBE experiment, and by the Japanese balloon flights (eg. Hayakawa et al., 1981). Based on the disk brightness profiles of a sample of spiral galaxies, and on the observed brigthness distribution of bars, we adopted new mathematical expressions to represent each component (bulge, bar, disk, spiral arms).

Type
Part II. Nuclear Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 201 - 202
Copyright
Copyright © Kluwer 1998 

References

Amaral, L.H., Lépine, J.R.D., 1997, MNRAS, 286, 885.Google Scholar
Hayakawa, S., Matsumoto, T., Murakami, H., Uyama, K., Thomas, J.A., Yamagami, T., 1981, A&A, 100, 116.Google Scholar
Ortiz, R., Lépine, J.R.D., 1993, A&A, 279, 90.Google Scholar