Photodissociation and X-Ray-Dominated Regions
MG Wolfire, L Vallini, M Chevance - Annual Review of …, 2022 - annualreviews.org
The radiation from stars and active galactic nuclei (AGNs) creates photodissociation regions
(PDRs) and X-ray-dominated regions (XDRs), where the chemistry or heating is dominated …
(PDRs) and X-ray-dominated regions (XDRs), where the chemistry or heating is dominated …
The CO-to-H2 Conversion Factor
AD Bolatto, M Wolfire, AK Leroy - Annual Review of Astronomy …, 2013 - annualreviews.org
CO line emission represents the most accessible and widely used tracer of the molecular
ISM. This renders the translation of observed CO intensity into total H2 gas mass critical to …
ISM. This renders the translation of observed CO intensity into total H2 gas mass critical to …
Water in star-forming regions: physics and chemistry from clouds to disks as probed by Herschel spectroscopy
Context. Water is a key molecule in the physics and chemistry of star and planet formation,
but it is difficult to observe from Earth. The Herschel Space Observatory provided …
but it is difficult to observe from Earth. The Herschel Space Observatory provided …
Molecular clouds in the Milky Way
M Heyer, TM Dame - Annual Review of Astronomy and …, 2015 - annualreviews.org
In the past twenty years, the reconnaissance of 12CO and 13CO emission in the Milky Way
by single-dish millimeter-wave telescopes has expanded our view and understanding of …
by single-dish millimeter-wave telescopes has expanded our view and understanding of …
The dark molecular gas
MG Wolfire, D Hollenbach… - The Astrophysical …, 2010 - iopscience.iop.org
The mass of molecular gas in an interstellar cloud is often measured using line emission
from low rotational levels of CO, which are sensitive to the CO mass, and then scaling to the …
from low rotational levels of CO, which are sensitive to the CO mass, and then scaling to the …
A unified representation of gas-phase element depletions in the interstellar medium
EB Jenkins - The Astrophysical Journal, 2009 - iopscience.iop.org
ABSTRACT A study of gas-phase element abundances reported in the literature for 17
different elements sampled over 243 sight lines in the local part of our Galaxy reveals that …
different elements sampled over 243 sight lines in the local part of our Galaxy reveals that …
The cosmic origins spectrograph
JC Green, CS Froning, S Osterman… - The Astrophysical …, 2011 - iopscience.iop.org
ABSTRACT The Cosmic Origins Spectrograph (COS) is a moderate-resolution spectrograph
with unprecedented sensitivity that was installed into the Hubble Space Telescope (HST) in …
with unprecedented sensitivity that was installed into the Hubble Space Telescope (HST) in …
The nine lives of cosmic rays in galaxies
IA Grenier, JH Black, AW Strong - Annual Review of Astronomy …, 2015 - annualreviews.org
Cosmic-ray astrophysics has advanced rapidly in recent years, and its impact on other
astronomical disciplines has broadened. Many new experiments measuring these particles …
astronomical disciplines has broadened. Many new experiments measuring these particles …
The molecular universe
A Tielens - Reviews of Modern Physics, 2013 - APS
Molecular absorption and emission bands dominate the visible, infrared, and submillimeter
spectra of most objects with associated gas. These observations reveal a surprisingly rich …
spectra of most objects with associated gas. These observations reveal a surprisingly rich …
The photodissociation and chemistry of CO isotopologues: applications to interstellar clouds and circumstellar disks
R Visser, EF Van Dishoeck, JH Black - Astronomy & Astrophysics, 2009 - aanda.org
Aims. Photodissociation by UV light is an important destruction mechanism for carbon
monoxide (CO) in many astrophysical environments, ranging from interstellar clouds to …
monoxide (CO) in many astrophysical environments, ranging from interstellar clouds to …