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Intertwined Birth and Death: A Herbig–Haro Outflow Resolves the Distance to Vela Junior

  • Authors: Janette Suherli, Ivo R. Seitenzahl, Samar Safi-Harb, Frédéric P. A. Vogt, Wynn C. G. Ho, Parviz Ghavamian, Chuan-Jui Li, Ashley J. Ruiter, Roland M. Crocker, Arpita Roy, Ralph Sutherland

Janette Suherli et al 2026 The Astrophysical Journal Letters 997 .

  • Provider: AAS Journals

Caption: Figure 4.

(a) Velocity map of the [N II]λ6583 line, showing the kinematic structure of Ve 7–27 and Vela Jr CCO nebula. (b) Spatial distribution of [N II]/Hα ratio and (c) [N II]/[S II], both highlighting the strong nitrogen enrichment of both Ve 7–27 and the CCO nebula. (d) Spatial map of the canonical electron-density-sensitive [S II]λ6716/λ6731 ratio across the field. This ratio decreases with increasing electron density.

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