A dataset provided by the European Space Agency

Name OT1_bmatthew_4
Title Testing Planetary Dynamics and Evolutionary History in the HR 8799 Planet/Disc System
URL

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http://archives.esac.esa.int/hsa/whsa-tap-server/data?retrieval_type=OBSERVATION&observation_id=1342234928&instrument_name=PACS&product_level=LEVEL0&compress=true

DOI https://doi.org/10.5270/esa-7q2rjb6
Author matthews, b.
Description We propose to map the debris disc associated with the multi-planet
system HR 8799 in order to constrain the current dynamical state of
the planetary system and refine models for dust production in the
disc, thereby testing models for the origins of the three known giant
planets. Herschel.s sensitivity and resolution make it possible to
image both the cold planetesimal disc (posited to lie between radii of
90-300 AU) as well as the fainter extended halo (300 - 1000 AU radius)
at multiple wavelengths. Direct detection of the edges of the cold
belt of dust and an independent measure of the system.s inclination
will provide critical constraints on models of the planetary orbits
within the system, particularly for the outer-most planet for which
mass and orbit information can be constrained by simultaneous fits to
the planet and disc.

The combination of three massive, coeval, and spectroscopically
characterizable planets, together with the dust disc, makes this
system a Rosetta Stone for planet formation studies. The disc is also important for differentiating between planet formation scenarios.
Models predict variations in resonance structure for migration versus
in situ formation, and multi-wavelength variations in
observed structure within Herschel.s wavelength range in the case of
planetary migration. This proposal is at the very heart of Herschel.s
top science goal of understanding the mechanisms involved in the
formation of stars and planetary bodies. The resolution, sensitivity
and multi-wavelength imaging of Herschel are crucial to this program.
Publication The scattered disc of HR 8799 . Geiler Fabian et al. . Monthly Notices of the Royal Astronomical Society, Volume 483, Issue 1, p.332-341 . 483 . 10.1093\/mnras\/sty3160 . 2019MNRAS.483..332G ,
VLT/SPHERE Multiwavelength High-contrast Imaging of the HD 115600 Debris Disk: New Constraints on the Dust Geometry and the Presence of Young Giant Planets . Gibbs Aidan et al. . The Astronomical Journal, Volume 157, Issue 1, article id. 39, 11 pp. (2019). . 157 . 10.3847\/1538-3881\/aaf1bd . 2019AJ....157...39G ,
Debris Disk Results from the Gemini Planet Imager Exoplanet Survey.s Polarimetric Imaging Campaign . Esposito Thomas M. et al. . The Astronomical Journal . null . null . 2020AJ....160...24E ,
The dust grain size-stellar luminosity trend in debris discs . Pawellek Nicole et al. . Monthly Notices of the Royal Astronomical Society, Volume 454, Issue 3, p.3207-3221 . 454 . 10.1093\/mnras\/stv2142 . 2015MNRAS.454.3207P ,
Alignment in star-debris disc systems seen by Herschel . Greaves J. S. et al. . Monthly Notices of the Royal Astronomical Society: Letters, Volume 438, Issue 1, p.L31-L35 . 438 . 10.1093\/mnrasl\/slt153 . 2014MNRAS.438L..31G ,
Resolved Imaging of the HR 8799 Debris Disk with Herschel . Matthews Brenda et al. . The Astrophysical Journal, Volume 780, Issue 1, article id. 97, 12 pp. (2014). . 780 . 10.1088\/0004-637X\/780\/1\/97 . 2014ApJ...780...97M ,
A search for trends in spatially resolved debris discs at far-infrared wavelengths . Marshall J. P. et al. . Monthly Notices of the Royal Astronomical Society . null . ...
Instrument PACS_PacsPhoto_largeScan, SPIRE_SpirePhoto_small
Temporal Coverage 2011-07-09T22:10:08Z/2011-12-18T11:16:20Z
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/h®erschel/
Date Published 2012-06-18T11:13:31Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, matthews, b., 2012, OT1_bmatthew_4, SPG v14.2.0, European Space Agency, https://doi.org/10.5270/esa-7q2rjb6