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Gas and dust structures in protoplanetary disks hosting multiple planets
P. Pinilla, M. de Juan Ovelar, S. Ataiee +4
Transition disks have dust-depleted inner regions and may represent an intermediate step of an on-going disk dispersal process, where planet formation is probably in progress. Rece…
The Herschel/PACS view of the Cep OB2 region: Global protoplanetary disk evolution and clumpy star formation
Aurora Sicilia-Aguilar, Veronica Roccatagliata, Konstantin Getman +7
(Abridged) We use Herschel PACS observations at 70 and 160m to probe the protoplanetary disks around young stars in the CepOB2 clusters Tr37 and NGC7160 and to trace the small-s…
ALMA hints at the presence of two companions in the disk around HD 100546
Catherine Walsh, Attila Juhasz, Paola Pinilla +10
HD 100546 is a well-studied Herbig Be star-disk system that likely hosts a close-in companion with compelling observational evidence for an embedded protoplanet at 68 AU. We presen…
Resolved Multifrequency Radio Observations of GG Tau
Sean M. Andrews, Claire J. Chandler, Andrea Isella +20
We present sub-arcsecond resolution observations of continuum emission associated with the GG Tau quadruple star system at wavelengths of 1.3, 2.8, 7.3, and 50 mm. These data confi…
Millimetre spectral indices of transition disks and their relation to the cavity radius
P. Pinilla, M. Benisty, T. Birnstiel +7
Transition disks are protoplanetary disks with inner depleted dust cavities and excellent candidates to investigate the dust evolution under the existence of a pressure bump. A pre…
Dust Evolution in Protoplanetary Disks
Leonardo Testi, Tilman Birnstiel, Luca Ricci +8
(abridged) In the core accretion scenario for the formation of planetary rocky cores, the first step toward planet formation is the growth of dust grains into larger and larger agg…