183 citations · 718 across the 20 of their papers we have counts for
20 papers
Correlation between accretion rate and free-free emission in protoplanetary disks -- A multi-wavelength analysis of central mm/cm emission in transition disks
Alessia A. Rota, Jurrian D. Meijerhof, Nienke van der Marel +3
The inner regions of protoplanetary disks are the locations where most of planets are thought to form and where processes that influence the global evolution of the disk, such as M…
JOYS: JWST Observations of Young protoStars: Outflows and accretion in the high-mass star-forming region IRAS23385+605
H. Beuther, E. F. van Dishoeck, L. Tychoniec +21
Aims: The JWST program JOYS (JWST Observations of Young protoStars) aims at characterizing the physical and chemical properties of young high- and low-mass star-forming regions, in…
FAUST VII. Detection of A Hot Corino in the Prototypical Warm Carbon-Chain Chemistry Source IRAS 15398-3359
Yuki Okoda, Yoko Oya, Logan Francis +16
We have observed the low-mass protostellar source, IRAS 153983359, at a resolution of 0.2-0.3, as part of the Atacama Large Millimeter/Submillimeter Array Large Program…
Accretion Burst Echoes as Probes of Protostellar Environments and Episodic Mass Assembly
Logan Francis, Doug Johnstone, Jeong-Eun Lee +5
Protostars likely accrete material at a highly time variable rate, however, measurements of accretion variability from the youngest protostars are rare, as they are still deeply em…
Kinematics and brightness temperatures of transition discs -- A survey of gas substructures as seen with ALMA
Lisa Wölfer, Stefano Facchini, Nienke van der Marel +6
In recent years, high-angular-resolution observations of the dust and gas in circumstellar discs have revealed a variety of morphologies, naturally triggering the question of wheth…
Gap Opening and Inner Disk Structure in the Strongly Accreting Transition Disk of DM Tau
Logan Francis, Nienke van der Marel, Doug Johnstone +7
Large inner dust gaps in transition disks are frequently posited as evidence of giant planets sculpting gas and dust in the disk, or the opening of a gap by photoevaporative winds.…
Hot methanol in the [BHB2007] 11 protobinary system: hot corino versus shock origin? : FAUST V
C. Vastel, F. Alves, C. Ceccarelli +63
Methanol is a ubiquitous species commonly found in the molecular interstellar medium. It is also a crucial seed species for the building-up of the chemical complexity in star formi…
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…
Two Rings and a Marginally Resolved, 5 AU, Disk Around LkCa 15 Identified Via Near Infrared Sparse Aperture Masking Interferometry
Dori Blakely, Logan Francis, Doug Johnstone +10
Sparse aperture masking interferometry (SAM) is a high resolution observing technique that allows for imaging at and beyond a telescope's diffraction limit. The technique is ideal…
FAUST III. Misaligned rotations of the envelope, outflow, and disks in the multiple protostellar system of VLA 16232417
Satoshi Ohashi, Claudio Codella, Nami Sakai +69
We report a study of the low-mass Class-0 multiple system VLA 1623AB in the Ophiuchus star-forming region, using HCO (), CS (), and CCH () lines as…
Probing inner and outer disk misalignments in transition disks
A. J. Bohn, M. Benisty, K. Perraut +16
For several transition disks (TDs), dark regions interpreted as shadows have been observed in scattered light imaging and are hypothesized to originate from misalignments between d…
The JCMT Transient Survey: Four Year Summary of Monitoring the Submillimeter Variability of Protostars
Yong-Hee Lee, Doug Johnstone, Jeong-Eun Lee +49
We present the four-year survey results of monthly submillimeter monitoring of eight nearby (pc) star-forming regions by the JCMT Transient Survey. We apply the Lomb-Scargl…
ALMA Observations of the Asymmetric Dust Disk around DM Tau
Jun Hashimoto, Takayuki Muto, Ruobing Dong +5
We report an analysis of the dust disk around DM~Tau, newly observed with the Atacama Large Millimeter/submillimeter Array (ALMA) at 1.3 mm. The ALMA observations with high sensiti…
Dust Traps and the Formation of Cavities in Transition Discs: A millimetre to sub-millimetre comparison survey
Brodie J. Norfolk, Sarah T. Maddison, Christophe Pinte +8
The origin of the inner dust cavities observed in transition discs remains unknown. The segregation of dust and size of the cavity is expected to vary depending on which clearing m…
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,…
On the diversity of asymmetries in gapped protoplanetary disks
Nienke van der Marel, Til Birnstiel, Antonio Garufi +7
Protoplanetary disks with large inner dust cavities are thought to host massive planetary or substellar companions. These disks show asymmetries and rings in the millimeter continu…
On the accuracy of the ALMA flux calibration in the time domain and across spectral windows
Logan Francis, Doug Johnstone, Gregory Herczeg +2
A diverse array of science goals require accurate flux calibration of observations with the Atacama Large Millimeter/Submillimeter array (ALMA), however, this goal remains challeng…
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…
Dust depleted inner disks in a large sample of transition disks through long-baseline ALMA observations
Logan Francis, Nienke van der Marel
Transition disks with large inner dust cavities are thought to host massive companions. However, the disk structure inside the companion orbit and how material flows toward an acti…
Identifying Variability in Deeply Embedded Protostars with ALMA and CARMA
Logan Francis, Doug Johnstone, Michael M. Dunham +2
Variability of pre-main-sequence stars observed at optical wavelengths has been attributed tofluctuations in the mass accretion rate from the circumstellar disk onto the forming st…