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Origin of the IRAS Vela Shell: New Insights from 3D Dust Mapping

  • Authors: Bore Annie Gao, 般若 高, Catherine Zucker, Tirupati Kumara Sridharan, Cameren Swiggum, Shmuel Bialy, Theo J. O'Neill, J. E. G. Peek, Luciana Bianchi, Robert Benjamin, Lewis McCallum, Alyssa Goodman, João Alves, Charles Lada, Gordian Edenhofer, Rowan Smith, Elizabeth Watkins, Kenneth Wood, Doni Anderson

Bore Annie Gao et al 2025 The Astrophysical Journal 987 .

  • Provider: AAS Journals

Caption: Figure 10.

Comparison of projected IVS 3D models. One the left, we show the IVS model used in this work (blue) alongside the model constructed with the peak-finding method from T. J. O'Neill et al. (2024; gold), both overlaid on an Hα emission maps (D. P. Finkbeiner 2003). Both models find similar geometries for the dense bowl-like structure in the plane and the Hα filament of the IVS similarly, while differing in their treatment of diffuse regions at around b ∼ −25°.

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