activity
20022026
most citedThe origin of complex organic molecules in prestellar cores

257 citations · 7.1k across the 128 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

33 papers · 1 filter

astro-ph.SR2026

Chemical Complexity in the Early Stages of Star Formation in the SKAO Era

Eleonora Bianchi, Mathilde Bouvier, Claudio Codella +44

About 350 molecules have been identified in the interstellar medium (ISM), including complex molecules relevant to prebiotic chemistry. A remarkable level of molecular diversity ha…

astro-ph.SR2026

FAUST XXXI. Grain properties and variability of three sources in GSS 30

Q. Yang, H. Baobab Liu, S. Feng +55

To advance our understanding of dust properties in class 0/I young stellar objects, it is crucial to resolve their structures at multiple wavelengths and investigate how grain grow…

astro-ph.SR2025

FAUST XXIX. OCS line emission: a new method for measuring the luminosity of embedded protostars in binary systems

Guillaume Saury, Vittorio Bariosco, Cecilia Ceccarelli +19

The luminosity of embedded protostars is commonly measured via observations of the dust continuum spectral energy distribution from millimetre to infrared wavelengths. However, thi…

astro-ph.SR2025

FAUST XXVII: The circumbinary disk and the outflow of the L 1551 IRS 5 binary system

Aurora Durán, Laurent Loinard, Pedro R. Rivera-Ortiz +21

Using continuum and line data obtained from the large ALMA program FAUST, we studied the structure of the protostellar binary system L1551 IRS5 at sc…

astro-ph.SR2025★ 9 cited

FAUST XXVI. The dust opacity spectral indices of protostellar envelopes bridge the gap between interstellar medium and disks

Luca Cacciapuoti, L. Testi, A. J. Maury +36

The sub-millimetre dust opacity spectral index is a critical observable to constrain dust properties, such as the maximum grain size of an observed dust population. It has been wid…

astro-ph.SR2025

Evidence for Jet/Outflow Shocks Heating the Environment Around the Class I Protostellar Source Elias 29: FAUST XXI

Yoko Oya, Eri Saiga, Anna Miotello +1

We have observed the late Class I protostellar source Elias~29 at a spatial-resolution of 70~au with the Atacama~Large~Millimeter/submillimeter~Array (ALMA) as part of the FAUST La…

astro-ph.SR2024★ 8 cited

FAUST XV. A disk wind mapped by CHOH and SiO in the inner 300 au of the NGC 1333 IRAS 4A2 protostar

M. De Simone, L. Podio, L. Chahine +23

Context. Understanding the connection between outflows, winds, accretion and disks in the inner protostellar regions is crucial for comprehending star and planet formation process.…

astro-ph.SR2024

FAUST XI: Enhancement of the complex organic material in the shocked matter surrounding the [BHB2007] 11 protobinary system

C. Vastel, T. Sakai, C. Ceccarelli +20

iCOMs are species commonly found in the interstellar medium. They are believed to be crucial seed species for the build-up of chemical complexity in star forming regions as well as…

astro-ph.SR2022★ 20 cited

Chemical and Physical Characterization of the Isolated Protostellar Source CB68: FAUST. IV

Muneaki Imai, Yoko Oya, Brian Svoboda +1

Chemical diversity of low-mass protostellar sources has so far been recognized, and environmental effects are invoked as its origin. In this context, observations of isolated proto…

astro-ph.SR2022

Organic chemistry in the first phases of Solar-type protostars

C. Ceccarelli, C. Codella, N. Balucani +7

Planetary systems such as our own are formed after a long process where matter condenses from diffuse clouds to stars, planets, asteroids, comets and residual dust, undergoing dram…

astro-ph.SR2022★ 14 cited

Mass ejection and time variability in protostellar outflows: Cep E. SOLIS XVI

A. de A. Schutzer, P. R. Rivera-Ortiz, B. Lefloch +46

Protostellar jets are an important agent of star formation feedback, tightly connected with the mass-accretion process. The history of jet formation and mass-ejection provides cons…

astro-ph.SR2022★ 80 cited

The Central 1000 au of a Pre-stellar Core Revealed with ALMA. II. Almost Complete Freeze-out

Paola Caselli, Jaime E. Pineda, Olli Sipilä +18

Pre-stellar cores represent the initial conditions in the process of star and planet formation. Their low temperatures (10 K) allow the formation of thick icy dust mantles, whic…

astro-ph.SR2021★ 39 cited

FAUST II. Discovery of a Secondary Outflow in IRAS 15398-3359: Variability in Outflow Direction during the Earliest Stage of Star Formation?

Yuki Okoda, Yoko Oya, Logan Francis +66

We have observed the very low-mass Class 0 protostar IRAS 15398-3359 at scales ranging from 50 au to 1800 au, as part of the ALMA Large Program FAUST. We uncover a linear feature,…

astro-ph.SR2020★ 51 cited

FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5

E. Bianchi, C. J. Chandler, C. Ceccarelli +63

The study of hot corinos in Solar-like protostars has been so far mostly limited to the Class 0 phase, hampering our understanding of their origin and evolution. In addition, recen…

astro-ph.SR2020★ 17 cited

A 3mm chemical exploration of small organics in Class I YSOs

Romane Le Gal, Karin I. Öberg, Jane Huang +8

There is mounting evidence that the composition and structure of planetary systems are intimately linked to their birth environments. During the past decade, several spectral surve…

astro-ph.SR2019★ 35 cited

Sulfur-Bearing Species Tracing the Disk/Envelope System in the Class I Protostellar Source Elias 29

Yoko Oya, Ana López-Sepulcre, Nami Sakai +11

We have observed the Class I protostellar source Elias 29 with Atacama Large Millimeter/submillimeter Array (ALMA). We have detected CS, SO, SO, SO, and SiO line emissio…

astro-ph.SR2018★ 16 cited

Deuterium and N fractionation in NH during the formation of a Sun-like star

M. De Simone, F. Fontani, C. Codella +7

Although chemical models predict that the deuterium fractionation in NH is a good evolutionary tracer in the star formation process, the fractionation of nitrogen is still…

astro-ph.SR2017★ 155 cited

Seeds Of Life In Space (SOLIS): The organic composition diversity at 300--1000 au scale in Solar-type star forming regions

C. Ceccarelli, P. Caselli, F. Fontani +43

Complex organic molecules have been observed for decades in the interstellar medium. Some of them might be considered as small bricks of the macromolecules at the base of terrestri…

astro-ph.SR2017★ 99 cited

L483: Warm Carbon-Chain Chemistry Source Harboring Hot Corino Activity

Yoko Oya, Nami Sakai, Yoshimasa Watanabe +11

The Class 0 protostar, L483, has been observed in various molecular lines in the 1.2 mm band at a sub-arcsecond resolution with ALMA. An infalling-rotating envelope is traced by th…

astro-ph.SR2016★ 94 cited

Discovery of a Hot Corino in the Bok Globule B335

Muneaki Imai, Nami Sakai, Yoko Oya +11

We report the first evidence of a hot corino in a Bok globule. This is based on the ALMA observations in the 1.2 mm band toward the low-mass Class 0 protostar IRAS 19347+0727 in B3…

astro-ph.SR2016★ 234 cited

The Spatial Distribution of Complex Organic Molecules in the L1544 Pre-stellar Core

Izaskun Jimenez-Serra, Anton I. Vasyunin, Paola Caselli +7

The detection of complex organic molecules (COMs) toward cold sources such as pre-stellar cores (with T<10 K), has challenged our understanding of the formation processes of COMs i…

astro-ph.SR2016★ 55 cited

Subarcsecond Analysis of Infalling-Rotating Envelope around the Class I Protostar IRAS 04365+2535

Nami Sakai, Yoko Oya, Ana López-Sepulcre +10

Sub-arcsecond images of the rotational line emission of CS and SO have been obtained toward the Class I protostar IRAS 043652535 in TMC-1A with ALMA. A compact component around…

astro-ph.SR2015★ 7 cited

Detectability of deuterated water in prestellar cores

David Quénard, Vianney Taquet, Charlotte Vastel +2

Water is an important molecule in the chemical and thermal balance of dense molecular gas, but knowing its history through-out the various stages of the star formation is a fundame…

astro-ph.SR2015★ 1 cited

Abundance Anomaly of the C Isotopic Species of c-CH in the Low-Mass Star Formation Region L1527

Kento Yoshida, Nami Sakai, Tomoya Tokudome +9

The rotational spectral lines of c-CH and two kinds of the C isotopic species, c-CCCH ( symmetry) and c-CCCH ( symmetry) have been…