Until a decade ago, the only anion observed to play a prominent role in astrophysics was H–
. The bound–free transitions in H–dominate the visible opacity in stars with photospheric …

In this review I summarize the current state of knowledge about the composition of Titan's
atmosphere and our current understanding of the suggested chemistry that leads to that …

Context. Detailed astrochemical models are a key component to interpret the observations of
interstellar and circumstellar molecules since they allow important physical properties of the …

A new collection of photodissociation and photoionisation cross sections for 102 atoms and
molecules of astrochemical interest has been assembled, along with a brief review of the …

We present a one-dimensional coupled ion-neutral photochemical kinetics and diffusion
model to study the atmospheric composition of Titan in light of new theoretical kinetics …

The habitability of the surface of any planet is determined by a complex evolution of its
interior, surface, and atmosphere. The electromagnetic and particle radiation of stars drive …

The origin of life on Earth would benefit from a prebiotic atmosphere that produced nitriles,
like HCN, which enable ribonucleotide synthesis. However, geochemical evidence suggests …

We report the detection of two isomers of ethynyl cyclopentadiene (cC 5 H 5 CCH), namely 1-
and 2-ethynyl-1, 3-cyclopentadiene, in the direction of TMC-1. We derive column densities of …

We have conducted an extensive search for nitrogen-, oxygen-, and sulfur-bearing
heterocycles toward Taurus Molecular Cloud 1 (TMC-1) using the deep, broadband …

Many models with different characteristics have been published so far to study the chemical
processes at work in Titan's atmosphere. Some models focus on neutral species in the …