A KInetic Database for Astrochemistry (KIDA)

V. Wakelam; E. Herbst; J.-C. Loison; I. W. M. Smith; V.; Chandrasekaran; B. Pavone; N. G. Adams; M.-C. Bacchus-Montabonel; A. Bergeat,; K. B\'eroff; V. M. Bierbaum; M. Chabot; A. Dalgarno; E. F. van Dishoeck; A.; Faure; W. D. Geppert; D. Gerlich; D. Galli; E. H\'ebrard; F. Hersant; K. M.; Hickson; P. Honvault; S. J. Klippenstein; S. Le Picard; G. Nyman; P. Pernot,; S. Schlemmer; F. Selsis; I. R. Sims; D. Talbi; J. Tennyson; J. Troe; R.; Wester; L. Wiesenfeld

arXiv:1201.5887·astro-ph.GA·June 3, 2015·1 cites

A KInetic Database for Astrochemistry (KIDA)

V. Wakelam, E. Herbst, J.-C. Loison, I. W. M. Smith, V., Chandrasekaran, B. Pavone, N. G. Adams, M.-C. Bacchus-Montabonel, A. Bergeat,, K. B\'eroff, V. M. Bierbaum, M. Chabot, A. Dalgarno, E. F. van Dishoeck, A., Faure, W. D. Geppert, D. Gerlich, D. Galli, E. H\'ebrard

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TL;DR

KIDA is a comprehensive, vetted chemical database for gas-phase astrochemistry, supporting simulations of interstellar and planetary atmospheres, with tools for modeling time-dependent chemistry.

Contribution

This work introduces KIDA, a new vetted database of gas-phase reaction rates for astrochemistry, including a simulation code for interstellar chemistry.

Findings

01

Provides a vetted database of reaction rates with uncertainties.

02

Includes a simulation code for time-dependent interstellar chemistry.

03

Plans to expand to planetary and circumstellar chemistry.

Abstract

We present a novel chemical database for gas-phase astrochemistry. Named the KInetic Database for Astrochemistry (KIDA), this database consists of gas-phase reactions with rate coefficients and uncertainties that will be vetted to the greatest extent possible. Submissions of measured and calculated rate coefficients are welcome, and will be studied by experts before inclusion into the database. Besides providing kinetic information for the interstellar medium, KIDA is planned to contain such data for planetary atmospheres and for circumstellar envelopes. Each year, a subset of the reactions in the database (kida.uva) will be provided as a network for the simulation of the chemistry of dense interstellar clouds with temperatures between 10 K and 300 K. We also provide a code, named Nahoon, to study the time-dependent gas-phase chemistry of 0D and 1D interstellar sources.

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Taxonomy

TopicsMolecular Spectroscopy and Structure · Advanced Chemical Physics Studies · Atmospheric Ozone and Climate