Computer Science
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1170..191k&link_type=abstract
STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION: Proceedings of the International Conference. AIP Conference Proceedin
Computer Science
Cepheids, Photometric, Polarimetric, And Spectroscopic Instrumentation, Characteristics And Properties Of The Milky Way Galaxy
Scientific paper
The Northern Sky Variability Survey (NSVS) is an all-sky photometric survey of variable objects found down to V~15. The NSVS probes the disk and inner halo components of the Milky Way Galaxy. Field RR Lyrae (RRL) variable stars have been identified and analyzed. We have begun a campaign to obtain spectra for many of these new RRL stars. Mid-resolution spectra were obtained using the Dual Imaging Spectrograph on the ARC 3.5 m telescope at Apache Point Observatory over a span of 2 years. We have collected 89 spectra of RRL stars, which were selected for their possible membership of the thick and thin disk components. We have also included RRL stars with long periods (P>0.75 days). We present the driving science and goals of these projects, and preliminary results from the mid-resolution spectra.
Bochanski John J.
Fraser Oliver
Hawley Scott
Kinemuchi Karen
Preston George
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