The galactic cosmic ray ionization rate

A Dalgarno - Proceedings of the National Academy of …, 2006 - National Acad Sciences
The chemistry that occurs in the interstellar medium in response to cosmic ray ionization is
summarized, and a review of the ionization rates that have been derived from …

Abundances and behavior of 12CO, 13CO, and C2 in translucent sight lines

P Sonnentrucker, DE Welty, JA Thorburn… - The Astrophysical …, 2007 - iopscience.iop.org
Using UV spectra obtained with FUSE, HST, and/or IUE together with higher resolution
optical spectra, we determine interstellar column densities of 12 CO, 13 CO, and/or C 2 for …

Laboratory investigation of shock-induced dissociation of buckminsterfullerene and astrophysical insights

S Chakraborty, SN Yurchenko, R Georges… - Astronomy & …, 2024 - aanda.org
Fullerene C 60 is one of the most iconic forms of carbon found in the interstellar medium
(ISM). The interstellar chemistry of carbon-rich components, including fullerenes, is driven by …

H and other species in the diffuse cloud towards Persei: A new detailed model

F Le Petit, E Roueff, E Herbst - Astronomy & Astrophysics, 2004 - aanda.org
McCall et al. have recently shown that a large column density for the molecular ion H of≈ 8
10 13 cm-2 exists in the classical diffuse cloud towards ζ Persei. They have used this …

The Swan system of C2: A global analysis of Fourier transform emission spectra

A Tanabashi, T Hirao, T Amano… - The Astrophysical …, 2007 - iopscience.iop.org
The C 2 Swan system (d 3 Π ga 3 Π u) was observed in emission for the Δv=-3 to Δv=+ 2
sequences in the 14,000-24,000 cm-1 spectral range using a Fourier transform …

Diffuse interstellar bands of unprecedented strength in the line of sight towards high-mass X-ray binary 4U 1907+ 09

NLJ Cox, L Kaper, BH Foing, P Ehrenfreund - Astronomy & Astrophysics, 2005 - aanda.org
High-resolution VLT/UVES spectra of the strongly reddened O supergiant companion to the
X-ray pulsar 4U 1907+ 09 provide a unique opportunity to study the nature of the diffuse …

Constraining the environment of CH+ formation with CH+ 3 observations

N Indriolo, T Oka, TR Geballe… - The Astrophysical …, 2010 - iopscience.iop.org
The formation of CH+ in the interstellar medium (ISM) has long been an outstanding
problem in chemical models. In order to probe the physical conditions of the ISM in which …

Tiny-scale molecular structures in the Magellanic Clouds-I. FUSE, HST and VLT observations

MK André, F Le Petit, P Sonnentrucker, R Ferlet… - Astronomy & …, 2004 - aanda.org
The objective of this series of two papers is to investigate small-scale molecular structures in
the Magellanic Clouds (hereafter MCs). We report on the FUSE detections of the HD and CO …

An Experimental Study of the Intersystem Crossing and Reactions of C2(XΣg+) and C2(a3Πu) with O2 and NO at Very Low Temperature (24−300 K)

A Páramo, A Canosa, SD Le Picard… - The Journal of Physical …, 2006 - ACS Publications
A low-temperature gas-phase kinetics study of the reactions and collisional relaxation
processes involving C2 (X1Σg+) and C2 (a3Πu) in collision with O2 and NO partners at …

New identification of the visible bands of the C2 Swan system

A Tanabashi, T Amano - Journal of Molecular Spectroscopy, 2002 - Elsevier
The well known Swan system (d3Πg–a3Πu) of C2 has been observed in absorption in a
hollow cathode discharge in a mixture of C2H2 and helium. Three bands,(v′, v ″)=(5 …