Context. Yebes 40 m radio telescope is the main and largest observing instrument at Yebes
Observatory and is devoted to very long baseline interferometry (VLBI) and single-dish …

ABSTRACT G+ 0.693-0.03 is a quiescent molecular cloud located within the Sagittarius B2
(Sgr B2) star-forming complex. Recent spectral surveys have shown that it represents one of …

We present Yebes 40 m telescope observations of the three most stable C 4 H 3 N isomers
towards the cyanopolyyne peak of TMC-1. We have detected 13 transitions from CH 3 C 3 N …

We present the first detections of CH 3 SH, C 3 H+, C 3 N, HCOOH, CH 2 CHCN, and H 2
CN in an extragalactic source. Namely the spiral arm of a galaxy located at z= 0.89 on the …

Context. Our current insights into the circumstellar chemistry of asymptotic giant branch
(AGB) stars are largely based on studies of carbon-rich stars and stars with high mass-loss …

We report the first full-dimensional potential energy surface (PES) and quantum mechanical
close-coupling calculations for scattering of SiO due to H2. The full-dimensional interaction …

Context. There is a class of binary post-asymptotic giant branch (post-AGB) stars that exhibit
remarkable near-infrared excess. Such stars are surrounded by Keplerian or quasi …

Context. The latest evolutionary phases of low-and intermediate-mass stars are
characterized by complex physical processes like turbulence, convection, stellar pulsations …

Context. This study is based on models of the first overtone (Δv= 2) bands of the
monosubstituted isotopologues of CO at 2.3 μm in the spectrum of Arcturus (K2 III) and of the …

We report on the first 1432 sources observed using the Atacama Large Millimeter/
submillimeter Array, from the Bulge Asymmetries and Dynamical Evolution survey, which …