A dataset provided by the European Space Agency

Name OT1_cespaill_2
Title Settling an Icy Issue: Using Dust and Ice in Young Disks to Constrain Theoretical Models
URL

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DOI 10.5270/esa-x3epjx5
Author espaillat, c.
Description We propose to obtain PACS range spectroscopy to measure the amount of water ice and dust evolution in protoplanetary disks located within the ~1-2 Myr old Taurus, Chamaeleon, and Ophiuchus clouds. Theoretical works show that grain growth and dust settling are critical first steps in forming planets and that the ice content of disks plays an influential role in the coagulation process. However, the amount of dust evolution actually experienced by disks and their real ice content is largely unconstrained. To provide a quantitative link between theory and observations we will target 40 disks, many of which show signs of planet formation as inferred from gaps and holes in their dust distribution. We will use irradiated accretion disk models to do a self-consistent analysis of their spectral energy distributions utilizing multi-wavelength data from Spitzer and Herschel. This study will determine the degree of dust evolution experienced by the disks and their ice abundances which can serve as constraints for theoretical models of disk evolution and planet formation.
Publication Herschel-PACS observations of far-IR lines in young stellar objects. I. [OI] and H2O at 63 μm . Riviere-Marichalar P. et al. . Astronomy & Astrophysics, Volume 594, id.A59, 25 pp. . 594 . 10.1051\/0004-6361\/201527829 . 2016A&A...594A..59R ,
Instrument PACS_PacsRangeSpec_point
Temporal Coverage 2011-07-25T04:56:09Z/2012-04-03T03:59:51Z
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 µm range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/herschel/
Date Published 2012-10-03T03:40:52Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2012-10-03T03:40:52Z, OT1_cespaill_2, SPG v14.2.0. https://doi.org/10.5270/esa-x3epjx5