234 citations · 2k across the 64 of their papers we have counts for
66 papers
Azimuthal molecular variations in the AB Aur planet-forming disk
Haochang Jiang, Dmitry Semenov, Myriam Benisty +5
Late infall episodes are emerging as an important driver of disk evolution. Observed as filamentary streamers in molecular lines and scattered light, such accretion perturbs disk s…
Chemical study of two starless cores in the B213/L1495 filament
L. Moral-Almansa, A. Fuente, M. Rodríguez-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…
Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake. How do Planetary Systems Form?
I. Mendigutía, N. Huélamo, I. Jiménez-Serra +32
The detection and characterization of protoplanets in protoplanetary disks around young stars is emerging as a transformative field that will redefine our understanding of how plan…
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…
A quest for sulfur-bearing refractory species. Identification of CaS in the interstellar medium
A. Tasa-Chaveli, Á. Sánchez-Monge, A. Fuente +10
The recent detection of refractory molecules in massive star-forming regions provides a means of probing the innermost regions of disks around massive stars. These detections also…
Gas-phase Elemental abundances in Molecular cloudS (GEMS) XI. The evolution of HCN, HNC, and N2H+ isotopic ratios in starless cores
A. Tasa-Chaveli, A. Fuente, G. Esplugues +5
Isotopic ratios have been used as chemical diagnostics to investigate the origin of the material in the Solar System. We have determined the HCN, HNC, and N2H+ isotopic ratios and…
The sulfur plume in the Horsehead nebula: New detections of SH, SH, and CO
Asunción Fuente, Gisela Esplugues, Pablo Rivière-Marichalar +13
Sulfur is essential for life, but its abundance and distribution in the interstellar medium remain uncertain, with over 90% of sulfur undetected in cold molecular clouds. Sulfur al…
Hints of Disk Substructure in the First Brown Dwarf with a Dynamical Mass Constraint
Alejandro Santamaría Miranda, Pietro Curone, Laura Pérez +14
We present high-resolution ALMA observations at 0.89 mm of the Class II brown dwarf 2MASS J04442713+2512164 (2M0444), achieving a spatial resolution of 0046 (…
Evolution of Chemistry in the envelope of HOt CorinoS (ECHOS) II. The puzzling chemistry of isomers as revealed by the HNCS/HSCN ratio
G. Esplugues, M. Rodríguez-Baras, D. Navarro-Almaida +8
The observational detection of some metastable isomers in the interstellar medium with abundances comparable to those of the most stable isomer, or even when the stable isomer is n…
Gas phase Elemental abundances in Molecular cloudS (GEMS). X. Observational effects of turbulence on the chemistry of molecular clouds
L. Beitia-Antero, A. Fuente, D. Navarro-Almaida +12
(Abridged) We explore the chemistry of the most abundant C, O, S, and N bearing species in molecular clouds, in the context of the IRAM 30 m Large Programme Gas phase Elemental abu…
SO as shock tracer in protoplanetary disks: the AB Aurigae case
A. Dutrey, E. Chapillon, S. Guilloteau +9
{Sulfur Monoxide is known to be a good shock tracer in molecular clouds and protostar environments, but its abundance is difficult to reproduce even using state-of-the-art astroche…
A fast neural emulator for interstellar chemistry
A. Asensio Ramos, C. Westendorp Plaza, D. Navarro-Almaida +3
Astrochemical models are important tools to interpret observations of molecular and atomic species in different environments. However, these models are time-consuming, precluding a…
AB Aur, a Rosetta stone for studies of planet formation (III): continuum observations at 2 and 7 mm
Pablo Rivière-Marichalar, Enrique Macías, Clément Baruteau +7
Observational constraints on dust properties in protoplanetary disks are key to better understanding disks' evolution. We continue our exploration of the protoplanetary disk around…
Evolution of Chemistry in the envelope of Hot Corinos (ECHOS). I. Extremely young sulphur chemistry in the isolated Class 0 object B335
G. Esplugues, M. Rodríguez-Baras, D. San Andrés +7
Within the project Evolution of Chemistry in the envelope of HOt corinoS (ECHOS), we present a study of sulphur chemistry in the envelope of the Class 0 source B335 through observa…
Gas phase Elemental abundances in Molecular cloudS (GEMS) VIII. Unlocking the CS chemistry: the CH + S CS + H and C + S CS + C reactions
Carlos M. R. Rocha, Octavio Roncero, Niyazi Bulut +15
We revise the rates of reactions CH + S -> CS + H and C_2 + S -> CS + C, important CS formation routes in dark and diffuse warm gas. We performed ab initio calculations to characte…
The ALMA view of MP Mus (PDS 66): a protoplanetary disk with no visible gaps down to 4 au scales
Á. Ribas, E. Macías, P. Weber +12
We present ALMA multiwavelength observations of the protoplanetary disk around the nearby (d100 pc) young solar analog MP Mus (PDS 66). These observations at 0.89 mm, 1.3 mm,…
Gas phase Elemental abundances in Molecular cloudS (GEMS) VII. Sulfur elemental abundance
A. Fuente, P. Rivière-Marichalar, L. Beitia-Antero +18
Gas phase Elemental abundances in molecular CloudS (GEMS) is an IRAM 30m large program aimed at determining the elemental abundances of carbon (C), oxygen (O), nitrogen (N), and su…
AB Aur, a Rosetta stone for studies of planet formation (II): HS detection and sulfur budget
Pablo Rivière-Marichalar, Asunción Fuente, Gisela Esplugues +7
The sulfur abundance is poorly known in most environments. Yet, deriving the sulfur abundance is key to understanding the evolution of the chemistry from molecular clouds to planet…
Lithium depletion boundary, stellar associations, and Gaia
F. J. Galindo-Guil, D. Barrado, H. Bouy +9
Stellar ages are key to improving our understanding of different astrophysical phenomena. However, many techniques to estimate stellar ages are highly model-dependent. The lithium…
Gas phase Elemental abundances in Molecular cloudS (GEMS) VI. A sulphur journey across star-forming regions: study of thioformaldehyde emission
G. Esplugues, A. Fuente, D. Navarro-Almaida +10
In the context of the IRAM 30m Large Program GEMS, we present a study of thioformaldehyde in several starless cores located in star-forming filaments of Taurus, Perseus, and Orion.…
The search for gas in debris discs: ALMA detection of CO gas in HD 36546
Isabel Rebollido, Álvaro Ribas, Itziar de Gregorio-Monsalvo +9
Debris discs represent the last stages of planet formation and as such are expected to be depleted of primordial gas. Nonetheless, in the last few years the presence of cold gas ha…
Probing the kinematics and chemistry of the hot core Mon R 2 IRS 3 using ALMA observations
A. Fuente, S. P. Treviño-Morales, T. Alonso-Albi +3
We present high angular resolution 1.1mm continuum and spectroscopic ALMA observations of the well-known massive proto-cluster Mon R 2 IRS 3.The continuum image at 1.1mm shows two…
Evolutionary view through the starless cores in Taurus: deuteration in TMC 1-C and TMC 1-CP
D. Navarro-Almaida, A. Fuente, L. Majumdar +11
The chemical and physical evolution of starless and pre-stellar cores are of paramount importance to understanding the process of star formation. The Taurus Molecular Cloud cores T…
HS observations in young stellar disks in Taurus
P. Rivière-Marichalar, A. Fuente, R. Le Gal +7
Context. Studying gas chemistry in protoplanetary disks is key to understanding the process of planet formation. Sulfur chemistry in particular is poorly understood in interstellar…