803 citations · 6.4k across the 78 of their papers we have counts for
5 papers · 2 filters
Terahertz spectroscopy of NO and isotopic invariant fit of several nitric oxide isotopologs
Holger S. P. Müller, Kaori Kobayashi, Kazumasa Takahashi +2
A tunable far-infrared laser sideband spectrometer was used to investigate a nitric oxide sample enriched in 18O between 0.99 and 4.75 THz. Regular, electric dipole transitions wer…
Detection of a branched alkyl molecule in the interstellar medium: iso-propyl cyanide
Arnaud Belloche, Robin T. Garrod, Holger S. P. Müller +1
The largest non-cyclic molecules detected in the interstellar medium (ISM) are organic with a straight-chain carbon backbone. We report an interstellar detection of a branched alky…
Revised spectroscopic parameters of SH from ALMA and IRAM 30 m observations
Holger S. P. Müller, Javier R. Goicoechea, José Cernicharo +6
Hydrides represent the first steps of interstellar chemistry. Sulfanylium (SH), in particular, is a key tracer of energetic processes. We used ALMA and the IRAM 30 m telescope…
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…
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…