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19962026
most citedMolecular Gas and Star Formation in Nearby Disk Galaxies

681 citations

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39 papers · 1 filter

astro-ph.EP2026

Destructuring the disk of AB Aurigae: Dynamics and accretion

Anthony Boccaletti, Emmanuel Di Folco, Anne Dutrey +23

In this paper, we present near-IR polarized images of the AB Aur disk at three epochs spanning 3.85 years with SPHERE/IRDIS, as well as Halpha images obtained with SPHERE/ZIMPOL at…

astro-ph.EP2026★ 7 cited

Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

N. Biver, D. Bockelée-Morvan, R. Moreno +6

3I/ATLAS is the third interstellar comet identified as passing through the Solar System. Its high outgassing activity and favourable perihelion passage on October 29, 2025 UT provi…

astro-ph.EP2026

Ortho-Para Chemistry of H2CO in the Protoplanetary Disk TW Hya

M. Gaillard, A. Faure, P. Hily-Blant +4

The spatial distribution of the chemical reservoirs in protoplanetary disks is key to elucidate the composition of planets, especially habitable ones. However, the partitioning of…

astro-ph.EP2025★ 3 cited

Edge-On Disk Study (EODS) III: Molecular Stratification in the Flying Saucer Disk

A. Dutrey, O. Denis-Alpizar, S. Guilloteau +22

Context: Investigating the vertical distribution of molecular content in protoplanetary disks remains difficult in most disks mildly inclined along the line of sight. In contrast,…

astro-ph.EP2025★ 14 cited

A D/H Ratio Consistent with Earth's Water in Halley-type Comet 12P from ALMA HDO Mapping

M. A. Cordiner, E. L. Gibb, Z. Kisiel +18

Isotopic measurements of Solar System bodies provide a primary paradigm within which to understand the origins and histories of planetary materials. The D/H ratio in particular, he…

astro-ph.EP2025★ 4 cited

Edge-On Disk Study (EODS) II: Thermal Structure of the Flying Saucer Disk

S. Guilloteau, O. Denis-Alpizar, A. Dutrey +21

Context. The dust and gas temperature in proto-planetary disks play critical roles in determining their chemical evolution and influencing planet formation processes. Aims. We atte…

astro-ph.EP2024★ 10 cited

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…

astro-ph.EP2024★ 23 cited

Chemical composition of comets C/2021 A1 (Leonard) and C/2022 E3 (ZTF) from radio spectroscopy and the abundance of HCOOH and HNCO in comets

N. Biver, D. Bockelee-Morvan, B. Handzlik +14

We present the results of a molecular survey of long period comets C/2021 A1 (Leonard) and C/2022 E3 (ZTF). Comet C/2021 A1 was observed with the IRAM 30-m radio telescope in Novem…

astro-ph.EP2021★ 2 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XVII: Determining the 2D Thermal Structure of the HD 163296 Disk

Jenny K. Calahan, Edwin A. Bergin, Ke Zhang +26

Understanding the temperature structure of protoplanetary disks is key to interpreting observations, predicting the physical and chemical evolution of the disk, and modeling planet…

astro-ph.EP2021

Molecules with ALMA at Planet-forming Scales (MAPS) II: CLEAN Strategies for Synthesizing Images of Molecular Line Emission in Protoplanetary Disks

Ian Czekala, Ryan A. Loomis, Richard Teague +27

The Molecules with ALMA at Planet-forming Scales large program (MAPS LP) surveyed the chemical structures of five protoplanetary disks across more than 40 different spectral lines…

astro-ph.EP2021★ 176 cited

Molecules with ALMA at Planet-forming Scales (MAPS) V: CO gas distributions

Ke Zhang, Alice S. Booth, Charles J. Law +32

Here we present high resolution (15-24 au) observations of CO isotopologue lines from the Molecules with ALMA on Planet-forming Scales (MAPS) ALMA Large Program. Our analysis emplo…

astro-ph.EP2021★ 124 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XIV: Revealing disk substructures in multi-wavelength continuum emission

Anibal Sierra, Laura M. Pérez, Ke Zhang +25

Constraining dust properties of planet-forming disks via high angular resolution observations is fundamental to understanding how solids are trapped in substructures and how dust g…

astro-ph.EP2021★ 3 cited

Molecules with ALMA at Planet-forming Scales (MAPS XVIII): Kinematic Substructures in the Disks of HD 163296 and MWC 480

Richard Teague, Jaehan Bae, Yuri Aikawa +24

We explore the dynamical structure of the protoplanetary disks surrounding HD 163296 and MWC 480 as part of the Molecules with ALMA at Planet Forming Scales (MAPS) large program. U…

astro-ph.EP2021★ 3 cited

Molecules with ALMA at Planet-forming Scales (MAPS) VIII: CO Gap in AS 209--Gas Depletion or Chemical Processing?

Felipe Alarcón, Arthur Bosman, Edwin Bergin +22

Emission substructures in gas and dust are common in protoplanetary disks. Such substructures can be linked to planet formation or planets themselves. We explore the observed gas s…

astro-ph.EP2021★ 288 cited

Molecules with ALMA at Planet-forming Scales (MAPS) I: Program Overview and Highlights

Karin I. Oberg, Viviana V. Guzman, Catherine Walsh +35

Planets form and obtain their compositions in dust and gas-rich disks around young stars, and the outcome of this process is intimately linked to the disk chemical properties. The…

astro-ph.EP2021★ 3 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XIX. Spiral Arms, a Tail, and Diffuse Structures Traced by CO around the GM Aur Disk

Jane Huang, Edwin A. Bergin, Karin I. Öberg +28

The concentric gaps and rings commonly observed in protoplanetary disks in millimeter continuum emission have lent the impression that planet formation generally proceeds within or…

astro-ph.EP2021★ 2 cited

Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing protoplanetary disk structure within 20 au

Arthur D. Bosman, Edwin A. Bergin, Ryan A. Loomis +25

Constraining the distribution of gas and dust in the inner 20 au of protoplanetary disks is difficult. At the same time, this region is thought to be responsible for most planet fo…

astro-ph.EP2021★ 85 cited

Molecules with ALMA at Planet-forming Scales (MAPS). VII. Sub-stellar O/H and C/H and super-stellar C/O in planet feeding gas

Arthur D. Bosman, Felipe Alarcón, Edwin A. Bergin +28

The elemental composition of the gas and dust in a protoplanetary disk influences the compositions of the planets that form in it. We use the Molecules with ALMA at Planet-forming…

astro-ph.EP2021★ 39 cited

Molecules with ALMA at Planet-forming Scales (MAPS) XVI: Characterizing the impact of the molecular wind on the evolution of the HD 163296 system

Alice S. Booth, Benoit Tabone, John D. Ilee +26

During the main phase of evolution of a protoplanetary disk, accretion regulates the inner-disk properties, such as the temperature and mass distribution, and in turn, the physical…

astro-ph.EP2021★ 2 cited

Molecules with ALMA at Planet-forming Scales. XX. The Massive Disk Around GM Aurigae

Kamber R. Schwarz, Jenny K. Calahan, Ke Zhang +25

Gas mass remains one of the most difficult protoplanetary disk properties to constrain. With much of the protoplanetary disk too cold for the main gas constituent, H2, to emit, alt…

astro-ph.EP2021★ 3 cited

Molecules with ALMA at Planet-forming Scales (MAPS) III: Characteristics of Radial Chemical Substructures

Charles J. Law, Ryan A. Loomis, Richard Teague +32

The Molecules with ALMA at Planet-forming Scales (MAPS) Large Program provides a detailed, high resolution (10-20 au) view of molecular line emission in five protoplanetary…

astro-ph.EP2021★ 37 cited

Molecular composition of comet 46P/Wirtanen from millimetre-wave spectroscopy

N. Biver, D. Bockelée-Morvan, J. Boissier +11

We present the results of a molecular survey of comet 46P/Wirtanen undertaken with the IRAM 30-m and NOEMA radio telescopes in December 2018. Observations at IRAM 30-m during the 1…

astro-ph.EP2020★ 29 cited

An attempt to detect transient changes in Io's SO2 and NaCl atmosphere

L. Roth, J. Boissier, A. Moullet +15

Io's atmosphere is predominately SO2 sustained by a combination of volcanic outgassing and sublimation. The loss from the atmosphere is the main mass source for Jupiter's large mag…

astro-ph.EP2020★ 81 cited

Possible evidence of ongoing planet formation in AB Aurigae. A showcase of the SPHERE/ALMA synergy

A. Boccaletti, E. Di Folco, E. Pantin +8

Context. Planet formation is expected to take place in the first million years of a planetary system through various processes, which remain to be tested through observations. Aims…