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High-velocity Circumstellar Gas Orbiting a White Dwarf Star

  • Authors: B. Zuckerman, Érika Le Bourdais, Beth L. Klein, Patrick Dufour, Carl Melis, Alycia J. Weinberger, Siyi Xu, 偲艺 许, Antoine Bédard, Detlev Koester

B. Zuckerman et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 7.

Weak Ca IR triplet emission (mentioned by GF21) as measured with HIRES (black) and MagE (red). The dip in the HIRES spectrum at 8520 Å is due to a bad column in the red HIRES detector and not an absorption feature in the white dwarf spectrum.

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