A dataset provided by the European Space Agency

Name OT1_jolofsso_1
Title How to produce warm dust around warm debris disks? - Testing the outer Planetesimal Belt Scenario
URL

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DOI 10.5270/esa-scqhwdt
Author olofsson, j.
Description During the last decade, some peculiar objects emerged from mid-infrared observation campaigns: warm debris disks. These unique and rare objects have the same properties as "classical" debris disks, except that they display emission features in the mid-infrared, that are associated with warm micron-sized silicate grains. The origin of the warm dust component is still subject to discussion. According to the most recent studies, this dust population may be the consequence of two scenarios. The first explanation would be that a recent catastrophic collision took place in the inner regions of the disks, producing a large amount of micron-sized grains. The second possibility is that a cold outer planetesimal belt is feeding the inner regions, in a similar way as the Late Heavy Bombardment that took place in the Solar System. Such dynamical instability can possibly be triggered by giant planet.s migration. We propose to use the PACS photometer, combined with SED modeling, for a unique set of 6 warm debris disks, than may host on-going planetary formation, in order to search for emission in excess at long wavelengths, that may reveal the presence of outer planetesimal belts.
Publication
Instrument PACS_PacsPhoto_largeScan
Temporal Coverage 2011-06-03T23:19:53Z/2012-12-31T14:51:45Z
Version SPG v14.2.0
Mission Description Herschel was launched on 14 May 2009! It is the fourth 'cornerstone' mission in the ESA science programme. With a 3.5 m Cassegrain telescope it is the largest space telescope ever launched. It is performing photometry and spectroscopy in approximately the 55-671 ┬Ám range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/herschel/
Date Published 2013-06-30T14:10:35Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-06-30T14:10:35Z, OT1_jolofsso_1, SPG v14.2.0. https://doi.org/10.5270/esa-scqhwdt