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. Author manuscript; available in PMC: 2016 Dec 19.
Published in final edited form as: Astron Astrophys. 2016 Nov 22;596:L1. doi: 10.1051/0004-6361/201629913

Fig. 1.

Fig. 1

Detection of cis-HCOOH towards the FUV-illuminated edge of the Orion Bar. Left: 13CO J = 3 → 2 integrated emission image with a HPBW of 8′ obtained with the IRAM-30 m telescope (Cuadrado et al. in prep.). The cyan contour marks the position of neutral cloud boundary traced by the O i 1.317 µm fluorescent line emission (in contours from 3 to 7 by 2 × 10−4 erg s−1 cm−2 sr−1; Walmsley et al. 2000). Right: Cis- and trans-HCOOH stacked spectra towards the observed positions.