output
19962026
most citedMolecular Gas and Star Formation in Nearby Disk Galaxies

681 citations

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32 papers · 1 filter

astro-ph.SR2025★ 5 cited

Anatomy of the Class I protostar L1489 IRS with NOEMA - II. A disk replenished by a massive streamer

M. Tanious, R. Le Gal, A. Faure +3

(abridged) Streamers are newly identified channels that transport mass from large, molecular-cloud scales down to small, protoplanetary-disk scales. To better understand their impa…

astro-ph.SR2023★ 12 cited

An APEX study of molecular outflows in FUor-type stars

Fernando Cruz-Sáenz de Miera, Ágnes Kóspál, Péter Ábrahám +4

FU Orionis-type objects (FUors) are low-mass pre-main-sequence objects which go through a short-lived phase (~100 years) of increased mass accretion rate (from 10^-8 to 10^-4 M_sun…

astro-ph.SR2021★ 46 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XIII: HCO and disk ionization structure

Yuri Aikawa, Gianni Cataldi, Yoshihide Yamato +25

We observed HCO and HCO emission towards the five protoplanetary disks around IM Lup, GM Aur, AS 209, HD 163296, and MWC 480 as part of the MAPS proj…

astro-ph.SR2021★ 53 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XI: CN and HCN as Tracers of Photochemistry in Disks

Jennifer B. Bergner, Karin I. Oberg, Viviana V. Guzman +23

UV photochemistry in the surface layers of protoplanetary disks dramatically alters their composition relative to previous stages of star formation. The abundance ratio CN/HCN has…

astro-ph.SR2021★ 14 cited

An unbiased NOEMA 2.6 to 4 mm survey of the GG Tau ring: First detection of CCS in a protoplanetary disk

N. T. Phuong, A. Dutrey, E. Chapillon +13

Molecular line surveys are among the main tools to probe the structure and physical conditions in protoplanetary disks (PPDs), the birthplace of planets. The large radial and verti…

astro-ph.SR2021★ 28 cited

Molecules with ALMA at Planet-forming Scales (MAPS). X. Studying deuteration at high angular resolution toward protoplanetary disks

Gianni Cataldi, Yoshihide Yamato, Yuri Aikawa +26

Deuterium fractionation is dependent on various physical and chemical parameters. Thus, the formation location and thermal history of material in the solar system is often studied…

astro-ph.SR2021★ 37 cited

Massive compact disks around FU Orionis-type young eruptive stars revealed by ALMA

Á. Kóspál, F. Cruz-Sáenz de Miera, J. A. White +14

FU Orionis-type objects (FUors) are low-mass pre-main sequence stars undergoing a temporary, but significant increase of mass accretion rate from the circumstellar disk onto the pr…

astro-ph.SR2021★ 4 cited

The first radio spectrum of a rapidly rotating A-type star

Jacob Aaron White, F. Tapia-Vázquez, A. G. Hughes +9

The radio spectra of main-sequence stars remain largely unconstrained due to the lack of observational data to inform stellar atmosphere models. As such, the dominant emission mech…

astro-ph.SR2020★ 7 cited

On the Nature of the T Tauri Triple System

Tracy L. Beck, G. H. Schaefer, S. Guilloteau +4

We present a multi-wavelength analysis to reveal the nature of the enigmatic T Tauri triple star system. New optical and infrared measurements are coupled with archival X-ray, UV a…

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.SR2020★ 6 cited

A Study of Millimeter Variability in FUor Objects

John Wendeborn, Catherine C. Espaillat, Enrique Macias +6

FU Orionis objects (FUors) are rapidly-accreting, pre-main sequence objects that are known to exhibit large outbursts at optical and near-infrared wavelengths, with post-eruption,…

astro-ph.SR2020★ 55 cited

Constraining MHD disk winds with ALMA. Apparent rotation signatures and application to HH212

B. Tabone, S. Cabrit, G. Pineau des Forêts +7

Large millimeter interferometers are revealing a growing number of rotating outflows, which are suggested to trace magneto-centrifugal disk winds (MHD DWs). However, their impact o…

astro-ph.SR2019★ 18 cited

Exploring the formation pathways of formamide near young O-type stars

Veronica Allen, Floris F. S. van der Tak, Ana López-Sepulcre +4

Context. As a building block for amino acids, formamide (NHCHO) is an important molecule in astrobiology and astrochemistry, but its formation path in the interstellar medium i…

astro-ph.SR2019★ 13 cited

The HH 212 interstellar laboratory: astrochemistry as a tool to reveal protostellar disks on Solar System scales around a rising Sun

Claudio Codella, Cecilia Ceccarelli, Chin-Fei Lee +8

The investigation of star forming regions have enormously benefited from the recent advent of the ALMA interferometer. More specifically, the unprecedented combination of high-sens…

astro-ph.SR2019★ 105 cited

Masses and Implications for Ages of Low-Mass Pre-Main Sequence Stars in Taurus and Ophiuchus

M. Simon, S. Guilloteau, Tracy L. Beck +6

The accuracy of masses of pre-main sequence (PMS) stars derived from their locations on the Hertzsprung-Russell Diagram (HRD) can be tested by comparison with accurate and precise…

astro-ph.SR2019★ 16 cited

Observation of narrow polar jets in the nascent wind of oxygen-rich AGB star EP Aqr

P. Tuan-Anh, D. T. Hoai, P. T. Nhung +6

Using ALMA observations of CO(2-1), SiO(5-4) and SO(16-17) emissions of the circumstellar envelope of AGB star EP Aqr, we describe the mo…

astro-ph.SR2019★ 18 cited

The morpho-kinematics of the circumstellar envelope around the AGB star EP Aqr

D. T. Hoai, P. T. Nhung, P. Tuan-Anh +6

ALMA observations of CO(1-0) and CO(2-1) emissions of the circumstellar envelope of EP Aqr, an oxygen-rich AGB star, are reported. A thorough analysis of their properties is presen…

astro-ph.SR2018★ 114 cited

First Detection of the Simplest Organic Acid in a Protoplanetary Disk

Cécile Favre, Davide Fedele, Dmitry Semenov +14

The formation of asteroids, comets and planets occurs in the interior of protoplanetary disks during the early phase of star formation. Consequently, the chemical composition of th…

astro-ph.SR2017★ 40 cited

Deuterated methanol on Solar System scale around the HH212 protostar

E. Bianchi, C. Codella, C. Ceccarelli +13

Context: Methanol is thought to be mainly formed during the prestellar phase and its deuterated form keeps memory of the conditions at that epoch. Thanks to the unique combination…

astro-ph.SR2017★ 65 cited

Dynamical Masses of Low Mass Stars in the Taurus and Ophiuchus Star Forming Regions

M. Simon, S. Guilloteau, E. di Folco +8

We report new dynamical masses for 5 pre-main sequence (PMS) stars in the L1495 region of the Taurus star-forming region (SFR) and 6 in the L1688 region of the Ophiuchus SFR. Since…

astro-ph.SR2017★ 71 cited

The Flying Saucer: Tomography of the thermal and density gas structure of an edge-on protoplanetary disk

A. Dutrey, S. Guilloteau, V. Piétu +10

Determining the gas density and temperature structures of protoplanetary disks is a fundamental task to constrain planet formation theories. This is a challenging procedure and mos…

astro-ph.SR2016★ 48 cited

The hybrid disks: a search and study to better understand evolution of disks

J. Pericaud, E. Di Folco, A. Dutrey +2

The increased sensitivity of millimeter-wave facilities now makes possible the detection of low amounts of gas in debris disks. Some of the gas-rich debris disks harbor peculiar pr…

astro-ph.SR2015★ 3 cited

HD141569A: disk dissipation caught in action

J. Péricaud, E. Di Folco, A. Dutrey +3

Debris disks are usually thought to be gas-poor, the gas being dissipated by accretion or evaporation during the protoplanetary phase. HD141569A is a 5 Myr old star harboring a fam…

astro-ph.SR2015★ 20 cited

Sensitive survey for 13CO, CN, H2CO, and SO in the disks of T Tauri and Herbig Ae stars II: Stars in Oph and upper Scorpius

L. Reboussin, S. Guilloteau, M. Simon +5

We attempt to determine the molecular composition of disks around young low-mass stars in the Oph region and to compare our results with a similar study performed in the Taurus…