Molecular tracers of radiative feedback in Orion (OMC-1) - Widespread CH+ (J = 1–0), CO (10–9), HCN (6–5), and HCO+ (6–5) emission

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Fig. B.6

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Large-scale (40′ × 20′) VISTA-NIR image of M42 and M43 in the K_S band around2.15 μm (Meingast et al. 2016) tracing vibrationally excited H₂ emission. The intensity scale is chosen to enhance the faint and extended NIR emission. Black contours show the CH⁺ J = 1–0 line integrated intensities from 1 to 50 K km s⁻¹.

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