Session H4: Astrophysics and Astronomy I

10:30 AM–11:54 AM, Saturday, October 18, 2008
Union East, 3rd Floor Room: Smiley

Chair: Verne Smith, National Optical Astronomy Observatory

Abstract ID: BAPS.2008.TS4CF.H4.2

Abstract: H4.00002 : Orbits of selected stars in a barred Galactic potential

10:42 AM–10:54 AM

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Authors:

  Hector Noriega-Mendoza
    (UTEP Physics Department)

  Christine Allen
    (Instituto de Astronomia, UNAM)

  Edmundo Moreno
    (Instituto de Astronomia, UNAM)

Stellar orbits were numerically integrated in the barred Galactic potential of Pichardo, Martos and Moreno (2004). The stellar sample was taken from the catalog of low-metallicity stars of Beers et al. (2000) with known kinematic information. We present a preliminary comparison of orbital parameters in both axisymmetric and barred potentials, emphasizing the dispersive effects introduced by the central Galactic bar.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2008.TS4CF.H4.2