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The Herschel/PACS view of disks around low-mass stars in Chamaleon-I
J. Olofsson, L. Szűcs, Th. Henning +3
Circumstellar disks are expected to be the birthplaces of planets. The potential for forming one or more planets of various masses is essentially driven by the initial mass of the…
A young hierarchical triple system harbouring a candidate debris disc
N. R. Deacon, J. E. Schlieder, J. Olofsson +2
We report the detection of a wide young hierarchical triple system where the primary has a candidate debris disc. The primary, TYC 5241-986-1 A, is a known Tycho star which we clas…
Herschel Observations of Gas and Dust in the Unusual 49 Ceti Debris Disk
A. Roberge, I. Kamp, B. Montesinos +12
We present far-IR/sub-mm imaging and spectroscopy of 49 Ceti, an unusual circumstellar disk around a nearby young A1V star. The system is famous for showing the dust properties of…
The 69 micron forsterite band in spectra of protoplanetary disks - Results from the Herschel DIGIT programme
B. Sturm, J. Bouwman, Th. Henning +14
Context: We have analysed Herschel-PACS spectra of 32 circumstellar disks around Herbig Ae/Be and T-Tauri stars obtained within the Herschel key programme DIGIT. In this paper we f…
Sculpting the disk around T Cha: an interferometric view
Johan Olofsson, Myriam Benisty, Jean-Baptiste Le Bouquin +13
(Abridged) Circumstellar disks are believed to be the birthplace of planets and are expected to dissipate on a timescale of a few Myr. The processes responsible for the removal of…
The twofold debris disk around HD 113766 A - Warm and cold dust as seen with VLTI/Midi and Herschel/Pacs
Johan Olofsson, Thomas Henning, Markus Nielbock +5
Warm debris disks are a sub-sample of the large population of debris disks, and display excess emission in the mid-IR. Around solar-type stars, very few objects show emission featu…