A dataset provided by the European Space Agency

Name OT1_cespaill_1
Title A Clearer View of Dust Evolution in Protoplanetary Disks
URL

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DOI 10.5270/esa-y8goorp
Author espaillat, c.
Description We propose to quantify dust evolution in protoplanetary disks around low-mass pre-main sequence stars, the precursors of our own Sun. To this end, we will measure grain growth and settling, the first two steps towards planet formation, in disks located within the star-forming clouds of Taurus, Chamaeleon, and Ophiuchus. In addition to studying "full" disks we will also target objects which are in the process of clearing gaps in their disks, a phenomena which is most likely due to newly formed planets. By combining spectral energy distributions that employ mid-infrared Spitzer and submillimeter Herschel data with spatial brightness distributions obtained with interferometers in the millimeter (SMA, ALMA), we will provide a self-consistent analysis of the amount of dust growth, settling, and clearing in disks, which will also serve as a guide for future disk studies with JWST. The systematic, semi-empirical evidence obtained through this proposed study will provide needed insight and constraints to aid in theoretical modeling of dust evolution and planet formation, bringing us a few steps closer to understanding the origin of our own solar system.
Publication Far-infrared to Millimeter Data of Protoplanetary Disks: Dust Growth in the Taurus, Ophiuchus, and Chamaeleon I Star-forming Regions . Ribas Álvaro et al. . The Astrophysical Journal, Volume 849, Issue 1, article id. 63, 27 pp. (2017). . 849 . 10.3847\/1538-4357\/aa8e99 . 2017ApJ...849...63R ,
Instrument SPIRE_SpireSpectrometer_
Temporal Coverage 2011-07-25T18:02:30Z/2013-03-04T10:26:55Z
Version SPG v14.1.0
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 µm range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/herschel/
Date Published 2013-09-04T10:15:39Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-09-04T10:15:39Z, OT1_cespaill_1, SPG v14.1.0. https://doi.org/10.5270/esa-y8goorp