On the Observability of Giant Protoplanets in Circumstellar Disks

Details On the Observability of Giant Protoplanets in Circumstellar Disks On the Observability of Giant Protoplanets in Circumstellar Disks

2004-10-04

arxiv.org/abs/astro-ph/0410064v1

Astrophys.J. 619 (2005) 1114-1122

Astronomy and Astrophysics

Astrophysics

ApJ, in press

Scientific paper

10.1086/426662

We investigate the possibility to detect giant planets that are still embedded in young circumstellar disks. Based on models with different stellar, planetary, and disk masses, and different radial positions of the planet we analyze the resulting submillimeter appearance of these systems. We find that the influence of the planet on the spectral energy distribution could not be distinguished from that of other disk parameters. However, dust reemission images of the disks show that the hot region in the proximity of a young planet, along with the gap, could indeed be detected and mapped with the Atacama Large Millimeter Array in the case of nearby circumstellar disks (d<100pc) in approximate face-on orientation.

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