SIMBAD references

2013ApJ...775...55B - Astrophys. J., 775, 55 (2013/September-3)

A trend between cold debris disk temperature and stellar type: implications for the formation and evolution of wide-orbit planets.

BALLERING N.P., RIEKE G.H., SU K.Y.L. and MONTIEL E.

Abstract (from CDS):

Cold debris disks trace the limits of planet formation or migration in the outer regions of planetary systems, and thus have the potential to answer many of the outstanding questions in wide-orbit planet formation and evolution. We characterized the infrared excess spectral energy distributions of 174 cold debris disks around 546 main-sequence stars observed by both the Spitzer Infrared Spectrograph and the Multiband Imaging Photometer for Spitzer. We found a trend between the temperature of the inner edges of cold debris disks and the stellar type of the stars they orbit. This argues against the importance of strictly temperature-dependent processes (e.g., non-water ice lines) in setting the dimensions of cold debris disks. Also, we found no evidence that delayed stirring causes the trend. The trend may result from outward planet migration that traces the extent of the primordial protoplanetary disk, or it may result from planet formation that halts at an orbital radius limited by the efficiency of core accretion.

Abstract Copyright:

Journal keyword(s): circumstellar matter - infrared: stars - interplanetary medium

VizieR on-line data: <Available at CDS (J/ApJ/775/55): table1.dat table2.dat refs.dat>

Simbad objects: 551

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2019.09.21-13:50:16

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