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The UMIST database for astrochemistry 2012

7 Pith papers cite this work. Polarity classification is still indexing.

7 Pith papers citing it
abstract

We present the fifth release of the UMIST Database for Astrochemistry (UDfA). The new reaction network contains 6173 gas-phase reactions, involving 467 species, 47 of which are new to this release. We have updated rate coefficients across all reaction types. We have included 1171 new anion reactions and updated and reviewed all photorates. In addition to the usual reaction network, we also now include, for download, state-specific deuterated rate coefficients, deuterium exchange reactions and a list of surface binding energies for many neutral species. Where possible, we have referenced the original source of all new and existing data. We have tested the main reaction network using a dark cloud model and a carbon-rich circumstellar envelope model. We present and briefly discuss the results of these models.

years

2026 7

representative citing papers

HCO$^+$ and the Effect of Mixing in SN 1987A

astro-ph.SR · 2026-07-28 · conditional · novelty 6.0

In SN 1987A's inner ejecta, HCO+ is co-spatial with CO, and its two-line RADEX mass of 3–9×10^-6 solar masses implies hydrogen was mixed into the carbon-oxygen zones.

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