Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997rmxaa..33..143r&link_type=abstract
Revista Mexicana de Astronomia y Astrofisica, 33, p. 143-156 (1997)
Astronomy and Astrophysics
Astronomy
Scientific paper
We develop a very simple model for the distribution of the stellar component in our Galaxy. This model is completely arbitrary and is utilised only as a description of the stellar distribution in the Galaxy. The model consists of a flat (disc) component with a radial Gaussian density profile and an exponential density decay in the direction perpendicular to the galactic plane; moreover, it also presents a spheroidal (bulge) component with a radial Gaussian density profile. At this stage, the model is used for predicting the would-be-observed bolometric luminosity functions (LF) of bright (Mbol ≤ 0.0) stars. The main purpose of this paper is to check, using our simplified galactic model, whether the stellar population in Baade's Window (BW), may consist of a combination of bulge and disc extending to the galactic centre populations. We show that this possibility is consistent with the data, and that the observed LF may be separated into two Gaussian components which may consistently correspond to the bulge and disc contributions.
Noriega-Mendoza Hector
Román-Zúñiga Carlos
Ruelas-Mayorga Alex
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