STIS observations of five hot white dwarfs

Details STIS observations of five hot white dwarfs STIS observations of five hot white dwarfs

2000-10-16

arxiv.org/abs/astro-ph/0010313v1

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures. 12th International Workshop on White Dwarf Stars (Delaware, USA)

Scientific paper

We present some early results from a study of five hot DA white dwarf stars, based on spectra obtained using STIS. All show multiple components in one or more of the strong resonance absorption lines typically associated with the stellar photosphere (e.g. C IV, Si IV, N V and O V). Possible relationships between the non-photospheric velocity components and the interstellar medium or local stellar environment, are investigated, including contributions from gravitational redshifting.

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