Studies of the Galactic bulge. III - Indications of an extensive young stellar population of the bulge

Details Studies of the Galactic bulge. III - Indications of an extensive young stellar population of the bulge Studies of the Galactic bulge. III - Indications of an extensive young stellar population of the bulge

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1036r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, April 1989, p. 1036-1047.

Astronomy and Astrophysics

Astronomy

14

Early Stars, Galactic Bulge, Galactic Evolution, Galactic Structure, Milky Way Galaxy, Star Distribution, Astronomical Photometry, Globular Clusters, Main Sequence Stars, Stellar Color, Stellar Luminosity

Scientific paper

Star counts as a function of V magnitude in three galactic fields toward the Galactic bulge at latitudes of -14, -22, and -33 deg are found to agree with the standard Bahcall-Soneira (1980) model galaxy. It is demonstrated that the star counts can be better matched if the model spheroid effective radius is reduced from 2.7 kpc to 1200 pc at a galactocentric distance of 2.8 kpc. The relatively young stars observed may be the result of a perturbation of the Galactic bulge morphology.

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