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Laboratory investigations aimed at building a database for the interpretation of JWST spectra

Published online by Cambridge University Press:  12 October 2020

Maria Elisabetta Palumbo Open the ORCID record for Maria Elisabetta Palumbo [Opens in a new window] ,
Giuseppe A. Baratta ,
Gleb Fedoseev ,
Daniele Fulvio ,
Carlotta Scirè ,
Giovanni Strazzulla  and
Riccardo Giovanni Urso
Maria Elisabetta Palumbo
Affiliation:
INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 95123 Catania, Italy email: [email protected]
Giuseppe A. Baratta
Affiliation:
INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 95123 Catania, Italy email: [email protected]
Gleb Fedoseev
Affiliation:
INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 95123 Catania, Italy email: [email protected]
Daniele Fulvio
Affiliation:
Departamento de Física, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente 225, 22451-900 Rio de Janeiro, RJ, Brazil email: [email protected]
Carlotta Scirè
Affiliation:
INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 95123 Catania, Italy email: [email protected]
Giovanni Strazzulla
Affiliation:
INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 95123 Catania, Italy email: [email protected]
Riccardo Giovanni Urso
Affiliation:
Institut d’Astrophysique Spatiale, CNRS/Université Paris-Sud, Université Paris-Saclay, bâtiment 121, Université Paris-Sud, 91405 Orsay Cedex, France email: [email protected]
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Abstract

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The James Webb Space Telescope (JWST) is expected to be launched in 2021. The JWST’s science instruments will provide high quality spectra acquired in the line of sight to young stellar objects whose interpretation will require a robust database of laboratory data. With this in mind, an experimental work is in progress in the Laboratory for Experimental Astrophysics in Catania to study the profile (shape, width, and peak position) of the main infrared bands of molecular species expected to be present in icy grain mantles. Our study also takes into account the modifications induced on icy samples by low-energy cosmic ray bombardment and by thermal processing. Here we present some recent results on deuterium hydrogen monoxide (HDO), N-bearing species, and carbon dioxide (CO2).

Keywords

Astrochemistrymethods: laboratorytechniques: spectroscopicmolecular processesISM: moleculesISM: lines and bandsinfrared: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 77 - 80
Copyright
© International Astronomical Union 2020

Footnotes

†

Present address: Laboratory for Astrophysics, Leiden Observatory, PO Box 9513, 2300 RA Leiden, the Netherlands

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