activity
20012023
most citedThe photodissociation and chemistry of CO isotopologues: applications to interstellar clouds and circumstellar disks

551 citations · 2k across the 22 of their papers we have counts for

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Showing astro-ph.GAShow all

15 papers · 1 filter

astro-ph.GA2023★ 92 cited

PDRs4All III: JWST's NIR spectroscopic view of the Orion Bar

Els Peeters, Emilie Habart, Olivier Berne +135

(Abridged) We investigate the impact of radiative feedback from massive stars on their natal cloud and focus on the transition from the HII region to the atomic PDR (crossing the i…

astro-ph.GA2014★ 18 cited

Upper limits to interstellar NH+ and para-NH2- abundances. Herschel-HIFI observations towards Sgr B2 (M) and G10.6-0.4 (W31C)

C. M. Persson, M. Hajigholi, G. E. Hassel +12

The understanding of interstellar nitrogen chemistry has improved significantly with recent results from the Herschel Space Observatory. To set even better constraints, we report h…

astro-ph.GA2014★ 149 cited

Ubiquitous argonium (ArH) in the diffuse interstellar medium -- a molecular tracer of almost purely atomic gas

Peter Schilke, David A. Neufeld, Holger S. P. Müller +14

We describe the assignment of a previously unidentified interstellar absorption line to ArH and discuss its relevance in the context of hydride absorption in diffuse gas with a…

astro-ph.GA2014★ 12 cited

Detection of a dense clump in a filament interacting with W51e2

B. Mookerjea, C. Vastel, G. E. Hassel +8

In the framework of the Herschel/PRISMAS Guaranteed Time Key Program, the line of sight to the distant ultracompact HII region W51e2 has been observed using several selected molecu…

astro-ph.GA2014★ 25 cited

Widespread Rotationally-Hot Hydronium Ion in the Galactic Interstellar Medium

D. C. Lis, P. Schilke, E. A. Bergin +11

We present new observations of the (6,6) and (9,9) inversion transitions of the hydronium ion toward Sagittarius B2(N) and W31C. Sensitive observations toward Sagittarius B2(N) sho…

astro-ph.GA2013★ 109 cited

The chemistry of ions in the Orion Bar I. - CH+, SH+, and CF+: The effect of high electron density and vibrationally excited H2 in a warm PDR surface

Z. Nagy, F. F. S. Van der Tak, V. Ossenkopf +8

The abundances of interstellar CH+ and SH+ are not well understood as their most likely formation channels are highly endothermic. Using data from Herschel, we study the formation…