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WALLABY Pilot Survey: Blinded by the Light—Discovery of a Fourth Member in the ESO 179-013 System

  • Authors: R. Guimarães Silva, M. Grossi, D. R. Gonçalves, E. Corbelli, B. Catinella, N. Deg, B. W. Holwerda, R. Ianjamasimanana, D. A. Leahy, P. E. Mancera Piña, S. Sankar, K. Spekkens, S. F. ur Rahman, T. Westmeier, O. I. Wong

R. Guimarães Silva et al 2026 The Astrophysical Journal 1008 .

  • Provider: AAS Journals

Caption: Figure 3.

Channel map of the H I emission for ESO 179-013. Each panel displays a 415″ × 415″ region with contours of the H I emission at different velocities. Contours are drawn at the [2.6, 6.1, …, 33.9] × 1019 cm−2 levels. The red ellipses mark the optical positions of the ring and galaxies A, B, and C. The beam is shown as a yellow circle in the first panel. The background image is the continuum-subtracted Hα from CTIO (Q. A. Parker et al. 2015), and the white strip marks a detector gap.

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