Measurement of Temperature Changes in a Pulsating Pre-White Dwarf Star

Details Measurement of Temperature Changes in a Pulsating Pre-White Dwarf Star Measurement of Temperature Changes in a Pulsating Pre-White Dwarf Star

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20314808o&link_type=abstract

American Astronomical Society Meeting 203, #148.08; Bulletin of the American Astronomical Society, Vol. 36, p.594

Astronomy and Astrophysics

Astronomy

Scientific paper

We report results of two nights of time-series spectroscopy of the pulsating pre-white dwarf star PG 0122+200 with the LRIS instrument on the Keck II telescope. We are able for the first time to measure the temperature changes in such a star over the pulsation cycle. This provides an important test for the NLTE model atmospheres used to analyze these extremely hot stars.

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