HE 1045-0908: a new magnetic DA white dwarf with a distinctive Zeeman line splitting pattern

Details HE 1045-0908: a new magnetic DA white dwarf with a distinctive Zeeman line splitting pattern HE 1045-0908: a new magnetic DA white dwarf with a distinctive Zeeman line splitting pattern

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...285..995r&link_type=abstract

Astronomy and Astrophysics 285, 995-997 (1994)

Astronomy and Astrophysics

Astrophysics

15

Stars: White Dwarfs, Stars: Magnetic Fields, Stars: Individual: He 1045-0908, Stars: Atmospheres, Surveys

Scientific paper

We report the discovery of a magnetic DA white dwarf within the Hamburg/ESO objective prism survey for bright quasars. The new magnetic DA HE 1045-0908 was found by automated search techniques and classified as QSO candidate. Subsequent spectroscopy with EFOSC at the ESO 3.6m telescope showed that Halpha_ is a triplet, while Hbeta_ and Hgamma_ are split in a distinctive way into several Zeeman components. A model atmosphere analysis yields T_eff_= 9200 +/-500 K, a polar field strength of 31 +/-2 MG, and a dipole inclination of 5deg+15deg-5deg, i.e. a nearly equator-on view.

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