Abstract
view Abstract Citations (24) References (35) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Evolution of Spiral Galaxies. V. The Galactic Bulge Molla, Mercedes ; Ferrini, Federico Abstract We apply the multipopulation nonlinear model developed by Ferrini and coworkers to the evolution of the bulge of the Galaxy. We investigate the hypothesis of a bulge formed from the accumulation of gas by accretion from the halo in the center of the Galaxy. We extend the properties of phase interactions, determined in the solar neighborhood, to the bulge. The models show that bulge star formation in the bulge peaked during the early stages of the Galactic evolution and that the consequent element enrichment is in agreement with the observed metal abundances in bulge stars. The evolution of Galactic bulges and elliptical galaxies cannot be considered equivalent. Publication: The Astrophysical Journal Pub Date: December 1995 DOI: 10.1086/176524 Bibcode: 1995ApJ...454..726M Keywords: GALAXIES: EVOLUTION; GALAXIES: KINEMATICS AND DYNAMICS; GALAXIES: SPIRAL; GALAXIES: STRUCTURE full text sources ADS | Related Materials (6) Part 1: 1992ApJ...387..138F Part 2: 1994ApJ...421..491P Part 3: 1994ApJ...427..745F Part 4: 1995ApJ...444..207P Part 6: 1996ApJ...466..668M Part 7: 1997ApJ...475..519M
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