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Chandra Observations of NGC 253: New Insights into the Nature of Starburst‐driven Superwinds

  • Authors: David K. Strickland, Timothy M. Heckman, Kimberly A. Weaver, and Michael Dahlem

Strickland et al. 2000 The Astronomical Journal 120 2965.

  • Provider: AAS Journals

Caption: Fig. 6.

(a) Normalized azimuthal surface brightness profiles of the southern outflow cone, in Hα emission (diamonds, dashed line) and 0.3–2.0 keV X‐ray emission (crosses, dotted line). (b) Hα profile with best‐fit hollow cone model (Ic/Is = 0) overlaid (solid line). A model with Ic/Is = 0. 2 (dashed line) overpredicts the central surface brightness between position angles 134° and 142°. (c) Same as (b), but for the soft X‐ray emission. Models with Ic/Is ≥ 0.3 (dashed line) fail to fit the data between position angles 134° and 142°.

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