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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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61 papers · 2 filters
SPHERE dynamical and spectroscopic characterization of HD142527B
R. Claudi, A. -L. Maire, D. Mesa +50
We detect the accreting low-mass companion HD142527B at a separation of 73 mas (11.4 au) from the star. No other companions with mass greater than 10 MJ are visible in the field of…
Disappearance of the extended main sequence turn-off in intermediate age clusters as a consequence of magnetic braking
C. Georgy, C. Charbonnel, L. Amard +8
Extended MS turn-offs are features commonly found in the colour-magnitude diagrams of young and intermediate age (less than about 2 Gyr) massive star clusters, where the MS turn-of…
ALMA polarimetric studies of rotating jet/disk systems
F. Bacciotti, J. M. Girart, M. Padovani +9
We have recently obtained polarimetric data at mm wavelengths with ALMA for the young systems DG Tau and CW Tau, for which the rotation properties of jet and disk have been investi…
The Disk Substructures at High Angular Resolution Project (DSHARP): IV. Characterizing substructures and interactions in disks around multiple star systems
Nicolás Kurtovic, Laura Pérez, Myriam Benisty +11
To characterize the substructures induced in protoplanetary disks by the interaction between stars in multiple systems, we study the mm continuum and the CO…
The Disk Substructures at High Angular Resolution Project (DSHARP): X. Multiple rings, a misaligned inner disk, and a bright arc in the disk around the T Tauri star HD 143006
Laura M. Pérez, Myriam Benisty, Sean M. Andrews +14
We present a detailed analysis of new ALMA observations of the disk around the T-Tauri star HD 143006, which at 46 mas (7.6 au) resolution reveal new substructures in the 1.25 mm c…
The Disk Substructures at High Angular Resolution Project (DSHARP) - IX. A high definition study of the HD 163296 planet forming disk
Andrea Isella, Jane Huang, Sean M. Andrews +11
ALMA observations of protoplanetary disks acquired by the Disk Substructure at High Angular Resolution Project (DSHARP) resolve the dust and gas emission on angular scales as small…
Disk Substructures at High Angular Resolution Program (DSHARP): VIII. The Rich Ringed Substructures in the AS 209 Disk
Viviana V. Guzmán, Jane Huang, Sean M. Andrews +12
We present a detailed analysis of the high-angular resolution (0.''037, corresponding to 5 au) observations of the 1.25 mm continuum and CO emission from the disk arou…
The Disk Substructures at High Angular Resolution Project (DSHARP): V. Interpreting ALMA maps of protoplanetary disks in terms of a dust model
Tilman Birnstiel, Cornelis P. Dullemond, Zhaohuan Zhu +9
The Disk Substructures at High Angular Resolution Project (DSHARP) is the largest homogeneous high-resolution ( arcsec, or 5 au) disk continuum imaging survey wi…
The Disk Substructures at High Angular Resolution Project (DSHARP): I. Motivation, Sample, Calibration, and Overview
Sean M. Andrews, Jane Huang, Laura M. Pérez +14
We introduce the Disk Substructures at High Angular Resolution Project (DSHARP), one of the initial Large Programs conducted with the Atacama Large Millimeter/submillimeter Array (…
Super-Keplerian Equatorial Outflows in SS 433. Centrifugal Ejection of the Circumbinary Disk
Idel Waisberg, Jason Dexter, Pierre Olivier-Petrucci +2
The microquasar SS 433 is the only known steady supercritical accretor in the Galaxy. It is well-known for its relativistic baryonic jets, but the system also drives equatorial out…
Dynamical masses of M-dwarf binaries in young moving groups: II - Toward empirical mass-luminosity isochrones
Markus Janson, Stephen Durkan, Mickael Bonnefoy +6
Low-mass stars exhibit substantial pre-main sequence evolution during the first ~100 Myrs of their lives. Thus, young M-type stars are prime targets for isochronal dating, especial…
Mapping of shadows cast on a protoplanetary disk by a close binary system
V. D'Orazi, R. Gratton, S. Desidera +47
For a comprehensive understanding of planetary formation and evolution, we need to investigate the environment in which planets form: circumstellar disks. Here we present high-cont…
A Search for Variability in Exoplanet Analogues and Low-Gravity Brown Dwarfs
Johanna M. Vos, Beth A. Biller, Mariangela Bonavita +18
We report the results of a -band survey for photometric variability in a sample of young, low-gravity objects using the New Technology Telescope (NTT) and the United Kingdom Inf…
The magnetic propeller accretion regime of LkCa 15
J-F Donati, J Bouvier, SH Alencar +12
We present a spectropolarimetric study of the classical T Tauri star (cTTS) LkCa 15 investigating the large-scale magnetic topology of the central star and the way the field connec…
Inner disk structure of the classical T Tauri star LkCa 15
S. H. P. Alencar, J. Bouvier, J. -F. Donati +15
Magnetospheric accretion has been thoroughly studied in young stellar systems with full non-evolved accretion disks, but it is poorly documented for transition disk objects with la…
Probing the Inner Disk Emission of the Herbig Ae Stars HD 163296 and HD 190073
Benjamin R. Setterholm, John D. Monnier, Claire L. Davies +16
The physical processes occurring within the inner few astronomical units of proto-planetary disks surrounding Herbig Ae stars are crucial to setting the environment in which the ou…
Modelling the abundance structure of isocyanic acid (HNCO) toward the low-mass solar type protostar IRAS 16293-2422
Antonio Hernández-Gómez, Emna Sahnoun, Emmanuel Caux +5
Isocyanic acid (HNCO), the most stable of the simplest molecules containing the four main elements essential for organic chemistry, has been observed in several astrophysical envir…
NU Ori: a hierarchical triple system with a strongly magnetic B-type star
M. Shultz, J. -B. Le Bouquin, Th. Rivinius +13
NU Ori is a massive spectroscopic and visual binary in the Orion Nebula Cluster, with 4 components: Aa, Ab, B, and C. The B0.5 primary (Aa) is one of the most massive B-type stars…
The magnetic fields of intermediate-mass T Tauri stars : I. Magnetic detections and fundamental stellar parameters
Florent Villebrun, Evelyne Alecian, Gaitee Hussain +13
Context. The origin of the fossil magnetic fields detected in 5 to 10% of intermediate-mass main sequence stars is still highly debated. Aims. We want to bring observational constr…
The census of interstellar complex organic molecules in the Class I hot corino of SVS13-A
E. Bianchi, C. Codella, C. Ceccarelli +12
We present the first census of the interstellar Complex Organic Molecules (iCOMs) in the low-mass Class I protostar SVS13-A, obtained by analysing data from the IRAM-30m Large Proj…
The Rotational Evolution of Young, Binary M Dwarfs
John Stauffer, Luisa Rebull, Ann Marie Cody +5
We have analysed K2 light curves for more than 3,000 low mass stars in the 8 Myr old Upper Sco association, the 125 Myr age Pleiades open cluster and the 700 Myr…
Evolution of protoplanetary disks from their taxonomy in scattered light: spirals, rings, cavities, and shadows
Antonio Garufi, Myriam Benisty, Paola Pinilla +11
The variety of observed protoplanetary disks in polarimetric light motivates a taxonomical study to constrain their evolution and establish the current framework of this type of ob…
Gaps and Rings in an ALMA Survey of Disks in the Taurus Star-forming Region
Feng Long, Paola Pinilla, Gregory J. Herczeg +23
Rings are the most frequently revealed substructure in ALMA dust observations of protoplanetary disks, but their origin is still hotly debated. In this paper, we identify dust subs…
Multiple Star Systems in the Orion Nebula
GRAVITY collaboration, Martina Karl, Oliver Pfuhl +133
This work presents an interferometric study of the massive-binary fraction in the Orion Trapezium Cluster with the recently comissioned GRAVITY instrument. We observe a total of 16…