SIMBAD references

2003NewA....8..401D - New Astronomy, 8, 401-414 (2003/July-0)

On the nature of the proposed blob in the inner preplanetary disk of the Herbig Ae/Be star HD141569: evidence for a giant vortex?

DE LA FUENTE MARCOS C. and DE LA FUENTE MARCOS R.

Abstract (from CDS):

Recently, Brittain and Rettig, using the cryogenic echelle spectrograph at the Infrared Telescope Facility to study the infrared emission from the inner preplanetary disk of the Herbig Ae/Be star HD141569, detected CO and H3+ ion emission. This emission has been tentatively interpreted as due to the existence of a forming gas giant planet. The suggested protoplanetary blob appears to be orbiting its host star at about 7 AU being perhaps 2 AU across and roughly five times the mass of Jupiter. Based on numerical modeling of the evolution of the dust disk we show that their observational results are compatible with the presence of an evolved giant vortex in the disk. Our calculations suggest that vortices formed in disks similar to the one found around HD141569 are more effective at capturing solid material than equivalent structures around solar-like stars. On the other hand, we investigate the possibility to find evidence for large-scale vortices in preplanetary disks bysubm! illimeter interferometry. Disks around Herbig Ae/Be stars may be primary targets for giant vortex detection using this technique.

Abstract Copyright:

Journal keyword(s): Planets and satellites: formation - Circumstellar matter - Planetary systems: protoplanetary disks - Stars: individual: HD141569

CDS comments: KH 15D = Cl* NGC 2264 VVO 15D

Simbad objects: 5

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