Creating White Dwarf Photospheres in the Laboratory

Details Creating White Dwarf Photospheres in the Laboratory Creating White Dwarf Photospheres in the Laboratory

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1273..436f&link_type=abstract

17TH EUROPEAN WHITE DWARF WORKSHOP. AIP Conference Proceedings, Volume 1273, pp. 436-439 (2010).

Astronomy and Astrophysics

Astrophysics

White Dwarfs, Photosphere, Photometry, X-Ray Beamlines, Galactic Nuclei, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, Photography And Photometry, X-Ray Sources, X-Ray Bursts, Galactic Center, Bar, Circumnuclear Matter, And Bulge

Scientific paper

We present a preliminary report from the laboratory astrophysics experiments to create macroscopic (~19 cm3) hydrogen-plasmas with white dwarf (WD) photospheric conditions (i.e., temperature, electron density). These experiments, performed at the Z Pulsed Power Facility at Sandia National Laboratories, will serve as benchmarks for fundamental atomic line profile measurements in emission and absorption; they are targeted to address the discrepancy between theory and observation of WD photospheres-cooler photospheres in particular.

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