13 papers
Discovery of sulfur oxides in the ejecta of a B[e] supergiant
C. Bordiu, J. Ricardo Rizzo, D. Navarro-Almaida +12
B[e] supergiants represent a rare class of luminous, evolved massive stars surrounded by dusty circumstellar disks. Since their intense UV fields were long thought to sterilize the…
Evolution of Chemistry in the envelope of HOt corinoS (ECHOS). III. Sulphur chemistry in the Class 0 objects HH 212 and NGC 1333 IRAS 4A
P. Fernández-Ruiz, A. Fuente, G. Esplugues +7
Our goal is to find chemical diagnostics to determine the physical conditions in protostellar envelopes and help establish the development of matter during the formation of a low-m…
Modeling the UV-photon irradiation of CS-bearing ices in the laboratory with the pyRate gas-grain astrochemical code. New insights into the missing sulfur problem
O. Sipilä, R. MartÃn-Doménech, W. Riedel +4
Observations indicate that the total abundance of S-bearing species in dense clouds is orders of magnitude lower than the cosmic sulfur abundance. Addressing this "missing sulfur p…
Chemical study of two starless cores in the B213/L1495 filament
L. Moral-Almansa, A. Fuente, M. RodrÃguez-Baras +7
The chemical evolution of pre-stellar cores during their transition to a protostellar stage is not yet fully understood. Detailed chemical characterizations of these sources are ne…
Observations of sulfuretted species in HL Tau
P. Rivière-Marichalar, R. le Gal, A. Fuente +4
Protoplanetary disks inherit their chemical composition from their natal molecular cloud, but the extent to which this material is preserved versus reset through chemical reprocess…
First Detection of CH3OD in Prestellar Cores
Beatrice M. Kulterer, Asunción Fuente, Maria N. Drozdovskaya +6
The isotopic ratios of deuterated methanol derived around protostars are commonly used to infer the physical conditions under which they formed in the earlier prestellar stage. How…