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A Systematic Search for Gaseous Debris Disks in DESI Early Data Release White Dwarfs

  • Authors: Ziying Ma, 紫莹 马, Xiaoxia Zhang, 小霞 张, Taotao Fang, 陶陶 方, Junfeng Wang, 俊峰 王, Jincheng Guo, 金承 郭, Xiaochuan Jiang, 小川 姜, Zhi-Xiang Zhang, 志翔 张, Hu Zou, 虎 邹

Ziying Ma et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 1.

Normalized spectra of the 22 white dwarfs with candidate gaseous debris disks in the vicinity of the Ca II infrared triplet, displayed in order of their IDs (labeled at top left). For each source, the black curve shows the continuum-subtracted spectrum, the red curve shows the best-fit model comprising three Gaussians, and the vertical ticks mark the rest-frame wavelengths of the triplet.

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