Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistry. Some of them trace gas irradiated by UV or X-rays. Aims. We explore the abundances of major hydrides in W3 IRS5, a prototypical region of high-mass star formation. Methods. W3 IRS5 was observed by HIFI on the Herschel Space Observatory with deep integration ($\simeq$2500 s) in 8 spectral regions. Results. The target lines including CH, NH, H3O+, and the new molecules SH+, H2O+, and OH+ are detected. The H2O+ and OH+ J = 1–0 lines are found mostly in absorption, but also appear to exhibit weak emission (P-Cyg-like). Emission requires high density, thus originates most likely near the protostar. This is corroborated ...
International audienceContext. Hydrides are simple compounds containing one or a few hydrogen atoms ...
The cosmic abundance of hydrides depends critically on high-energy UV, X-ray, and particle irradiati...
CONTEXT: Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context: Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
Context. Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
International audienceContext. Hydrides are simple compounds containing one or a few hydrogen atoms ...
The cosmic abundance of hydrides depends critically on high-energy UV, X-ray, and particle irradiati...
CONTEXT: Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context: Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides of the most abundant heavier elements are fundamental molecules in cosmic chemistr...
Context. Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
Context. Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...
International audienceContext. Hydrides are simple compounds containing one or a few hydrogen atoms ...
The cosmic abundance of hydrides depends critically on high-energy UV, X-ray, and particle irradiati...
CONTEXT: Hydrides are simple compounds containing one or a few hydrogen atoms bonded to a heavier at...