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The Herschel DIGIT Survey of Weak-line T Tauri Stars: implications for disk evolution and dissipation
Lucas A. Cieza, Johan Olofsson, Paul M. Harvey +8
As part of the "Dust, Ice, and Gas In Time (DIGIT)" Herschel Open Time Key Program, we present Herschel photometry (at 70, 160, 250, 350 and 500 micron) of 31 Weak-Line T Tauri sta…
HD 172555: detection of 63 microns [OI] emission in a debris disc
P. Riviere-Marichalar, D. Barrado, J. -C. Augereau +14
Context. HD 172555 is a young A7 star belonging to the Beta Pictoris Moving Group that harbours a debris disc. The Spitzer IRS spectrum of the source showed mid-IR features such as…
Planet gaps in the dust layer of 3D protoplanetary disks. II. Observability with ALMA
J. -F. Gonzalez, C. Pinte, S. T. Maddison +2
[Abridged] Aims: We provide predictions for ALMA observations of planet gaps that account for the specific spatial distribution of dust that results from consistent gas+dust dynami…
Intricate visibility effects from resolved emission of young stellar objects: the case of MWC158 observed with the VLTI
Jacques Kluska, Fabien Malbet, Jean-Philippe Berger +7
In the course of our VLTI young stellar object PIONIER imaging program, we have identified a strong visibility chromatic dependency that appeared in certain sources. This effect, r…
Herschel/PACS observations of young sources in Taurus: the far-infrared counterpart of optical jets
L. Podio, I. Kamp, D. Flower +8
Observations of the atomic and molecular line emission associated with jets and outflows emitted by young stellar objects can be used to trace the various evolutionary stages they…
GASPS observations of Herbig Ae/Be stars with PACS/Herschel. The atomic and molecular content of their protoplanetary discs
G. Meeus, B. Montesinos, I. Mendigutia +3
We observed a sample of 20 representative Herbig Ae/Be stars and five A-type debris discs with PACS onboard of Herschel. The observations were done in spectroscopic mode, and cover…