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researcher

Å. Hjalmarson

17 papers hereh-index 333.3k citations160 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author13

Across the 13 of 17 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA8
  • astro-ph6
  • astro-ph.SR2
  • astro-ph.EP1

identity via Semantic Scholar / OpenAlex

activity
20032017
most citedHerschel Measurements of Molecular Oxygen in Orion

170 citations · 934 across the 17 of their papers we have counts for

collaborators
Showing 2014Show all

2 papers · 1 filter

astro-ph.GA2014★ 46 cited

Herschel HIFI observations of O2​ toward Orion: special conditions for shock enhanced emission

Jo-Hsin Chen, Paul F. Goldsmith, Serena Viti +18

We report observations of molecular oxygen (O2​) rotational transitions at 487 GHz, 774 GHz, and 1121 GHz toward Orion Peak A. The O2 lines at 487 GHz and 774 GHz are detected at…

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…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.