Laboratory Measurements of White Dwarf Photospheric Spectral Lines: H$\beta$

14 May 2015 Falcon Ross E. Rochau G. A. Bailey J. E. Gomez T. A. Montgomery M. H. Winget D. E. Nagayama T.

We spectroscopically measure multiple hydrogen Balmer line profiles from laboratory plasmas to investigate the theoretical line profiles used in white dwarf atmosphere models. X-ray radiation produced at the Z Pulsed Power Facility at Sandia National Laboratories initiates plasma formation in a hydrogen-filled gas cell, replicating white dwarf photospheric conditions... (read more)

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  • SOLAR AND STELLAR ASTROPHYSICS