Radial velocities of RR Lyrae stars in the Baade Window

Details Radial velocities of RR Lyrae stars in the Baade Window Radial velocities of RR Lyrae stars in the Baade Window

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.224..175g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 224, Jan. 1, 1987, p. 175-178.

Physics

Optics

11

Cepheid Variables, Lyra Constellation, Radial Velocity, Solar Orbits, Stellar Spectra, Cassegrain Optics, Error Analysis, Galactic Bulge

Scientific paper

Radial velocities for 17 RR Lyrae stars in the Baade Window are presented. Once reduced for the solar motion, the systemic velocity of +11±34 km s-1 is obtained, with a single star dispersion of 133±25 km s-1. These values agree with systemic velocities and dispersions obtained from other components of the galactic bulge.

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