Asteroseismology of the Crystallized ZZ Ceti Star BPM 37093: A Different View (Part II)

Details Asteroseismology of the Crystallized ZZ Ceti Star BPM 37093: A Different View (Part II) Asteroseismology of the Crystallized ZZ Ceti Star BPM 37093: A Different View (Part II)

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..334..565f&link_type=abstract

14th European Workshop on White Dwarfs, ASP Conference Series, Vol. 334 Proceedings of a meeting held at Kiel, July 19-23, 2004

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Scientific paper

BPM 37093 is a pulsating white dwarf of the ZZ Ceti type massive enough to have undergone partial crystallization. Recently, on the basis of asteroseismological techniques, Metcalfe et al. (2004) claimed to have measured the fraction of crystallized matter in BPM 37093, a value upward of 90%. If true, this is a most significant achievement, well worthy of further scrutiny. In this spirit, we have reexamined the data available -- 8 periods -- with our own independent model building code and period matching code in parameter space. We present the second and final part of the results of our investigations in this communication.

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