To date, 204 individual molecular species, comprised of 16 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

To date, 241 individual molecular species, composed of 19 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

We report the detection in the envelope of the C-rich star IRC+ 10216 of four series of lines
with harmonically related frequencies: B1389, B1390, B1394, and B1401. The four series …

We report a new version of the UMIST database for astrochemistry. The previous (1995)
version has been updated and its format has been revised. The database contains the rate …

In order to make new predictions for chemical rate coefficients for ion-molecule reactions,
quantum chemical calculations were performed for about 200 neutral molecules with up to …

Spectroscopic characterisation of carbon chains and ions has been motivated by a general
interest in understanding the electronic structure and properties and also due to their …

Searching for C_7_H and C_8_H in the carbon star envelope IRC+ 10216, we have
identified 10 lines with harrnonically related frequencies and with regularly increasing …

THERE are many absorption lines in the visible and near-infrared spectra of stars located on
the far side of diffuse interstellar clouds. The origin of these'diffuse interstellar bands'(DIBs) …

Linear carbon-chain radicals CnH for n= 2− 7 have been studied with correlation consistent
valence and core-valence basis sets and the coupled cluster method RCCSD (T) …

Following our discovery of C_8_H in IRC+ 10216 (Cernicharo & Guelin 1996A&A... 309L..
27C), we report the detection in this circumstellar envelope of another linear carbon chain …