PDRs4All: A JWST early release science program on radiative feedback from massive stars

PI Team, O Berné, É Habart, E Peeters… - Publications of the …, 2022 - iopscience.iop.org
The James Webb Space Telescope (JWST, Gardner et al. 2006) is a 6.5 m space telescope
launched in 2021 December and is developed by the National Aeronautics and Space …

Modeling the pan-spectral energy distribution of starburst galaxies. IV. The controlling parameters of the starburst SED

B Groves, MA Dopita, RS Sutherland… - The Astrophysical …, 2008 - iopscience.iop.org
We combine the stellar spectral synthesis code Starburst99, the nebular modeling code
MAPPINGS III and a one-dimensional dynamical evolution model of H II regions around …

Variations of the mid-IR aromatic features inside and among galaxies

F Galliano, SC Madden, AGGM Tielens… - The Astrophysical …, 2008 - iopscience.iop.org
We present the results of a systematic study of mid-IR spectra of Galactic regions,
Magellanic H ii regions, and galaxies of various types (dwarf, spiral, starburst), observed by …

the infrared spectra of very large irregular polycyclic aromatic hydrocarbons (PAHs): Observational probes of astronomical PAH geometry, size, and charge

CW Bauschlicher, E Peeters… - The Astrophysical …, 2009 - iopscience.iop.org
The mid-infrared (IR) spectra of six large, irregular polycyclic aromatic hydrocarbons (PAHs)
with formulae (C 84 H 24–C 120 H 36) have been computed using density functional theory …

The infrared spectra of very large, compact, highly symmetric, polycyclic aromatic hydrocarbons (PAHs)

CW Bauschlicher Jr, E Peeters… - The Astrophysical …, 2008 - iopscience.iop.org
The mid-infrared spectra of large PAHs ranging from C 54 H 18 to C 130 H 28 are
determined computationally using density functional theory. Trends in the band positions …

The Fraction of Dust Mass in the Form of Polycyclic Aromatic Hydrocarbons on 10–50 pc Scales in Nearby Galaxies

J Sutter, K Sandstrom, J Chastenet… - The Astrophysical …, 2024 - iopscience.iop.org
Polycyclic aromatic hydrocarbons (PAHs) are a ubiquitous component of the interstellar
medium (ISM) in z∼ 0 massive, star-forming galaxies and play key roles in ISM energy …

The polycyclic aromatic hydrocarbon mass fraction on a 10 pc scale in the magellanic clouds

J Chastenet, K Sandstrom, ID Chiang… - The Astrophysical …, 2019 - iopscience.iop.org
We present maps of the dust properties in the Small and Large Magellanic Clouds (SMC,
LMC) from fitting Spitzer and Herschel observations with the Draine & Li dust model. We …

Astrochemical relevance of VUV ionization of large PAH cations

G Wenzel, C Joblin, A Giuliani, SR Castillo… - Astronomy & …, 2020 - aanda.org
Context. As part of interstellar dust, polycyclic aromatic hydrocarbons (PAHs) are processed
by an interaction with vacuum ultraviolet (VUV) photons emitted by hot stars. This interaction …

The charge state of polycyclic aromatic hydrocarbons across a reflection nebula, an H II region, and a planetary nebula

C Boersma, J Bregman… - The Astrophysical …, 2018 - iopscience.iop.org
Low-resolution Spitzer-IRS spectral map data of a reflection nebula (NGC 7023), H ii region
(M17), and planetary nebula (NGC 40), totaling 1417 spectra, are analyzed using the data …

Excitation of H2 in photodissociation regions as seen by Spitzer

E Habart, A Abergel, F Boulanger, C Joblin… - Astronomy & …, 2011 - aanda.org
Aims. We present spectroscopic observations obtained with the infrared Spitzer Space
Telescope, which provide insight into the H 2 physics and gas energetics in …