Time-Series Spectroscopy of the subdwarf-B star PG 1219+534

Details Time-Series Spectroscopy of the subdwarf-B star PG 1219+534 Time-Series Spectroscopy of the subdwarf-B star PG 1219+534

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...209.2922e&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #29.22; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of our time-series spectroscopy work on the pulsating subdwarf-B star PG 1219+534. Our data set consists of roughly 5,000 spectra obtained in April 2006 at Kitt Peak National Observatory and the Nordic Optical Telescope. We determine velocity variations via the frequency analysis of measured line-centroid shifts and measure equivalent width variations.

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