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Spitzer Observations of the Lambda Orionis cluster I: the frequency of young debris disks at 5 Myr,
formation pre-main sequence
2014/12/22
We present IRAC/MIPS Spitzer observations of intermediate-mass stars in the 5 Myr old Lambda Orionis cluster. In a representative sample of stars earlier than F5 (29 stars), we find a population of 9 ...
Resolved Submillimeter Observations of the HR 8799 and HD 107146 Debris Disks
Resolved Submillimeter HR 8799 HD 107146 Debris Disks
2011/10/10
We present 880 um Submillimeter Array observations of the debris disks around the young solar analogue HD 107146 and the multiple-planet host star HR 8799, at an angular resolution of 3" and 6", respe...
High-spatial-resolution imaging of thermal emission from debris disks
circumstellar matter infrared stars – planetary systems
2010/11/11
We have obtained sub-arcsec mid-IR images of a sample of debris disks within 100 pc. For our sample of nineteen A-type debris disk candidates chosen for their IR excess, we have resolved, for the firs...
A Spitzer IRS Study of Debris Disks Around Planet-Host Stars
Solar and Stellar Astrophysics (astro-ph.SR) Earth and Planetary Astrophysics (astro-ph.EP)
2011/1/6
Since giant planets scatter planetesimals within a few tidal radii of their orbits, the locations of existing planetesimal belts indicate regions where giant planet formation failed in bygone protoste...