D. Backman

Publications143
h-index30
Citations3,078
Highly Influential Citations293
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Discovery of Two T Dwarf Companions with the Spitzer Space Telescope
We report the discovery of T dwarf companions to the nearby stars HN Peg (G0 V, 18.4 pc, τ ~ 0.3 Gyr) and HD 3651 (K0 V, 11.1 pc, τ ~ 7 Gyr). During an ongoing survey of 5' × 5' fields surrounding…
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Formation and evolution of planetary systems : properties of debris dust around solar-type stars
We present Spitzer photometric (IRAC and MIPS) and spectroscopic (IRS low resolution) observations for 314 stars in the Formation and Evolution of Planetary Systems Legacy program. These data are…
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EARLY SCIENCE WITH SOFIA, THE STRATOSPHERIC OBSERVATORY FOR INFRARED ASTRONOMY
The Stratospheric Observatory For Infrared Astronomy (SOFIA) is an airborne observatory consisting of a specially modified Boeing 747SP with a 2.7 m telescope, flying at altitudes as high as 13.7 km…
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Mid-Infrared Imaging of Orion BN/KL. II. Luminosity Sources, Extinction Distribution, and the Nature of IRc2
We have recalculated the luminosities of IRc2 and the BN Object in the Orion BN/KL complex and determined the distributions of color temperature and silicate absorption-line strength over the region…
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The complete census of 70 μm-bright debris disks within "the formation and evolution of planetary systems" Spitzer legacy survey of sun-like stars
We report detection of cool dust surrounding solar-type stars from observations performed as part of the Spitzer Legacy Science Program FEPS. From a sample of 328 stars having ages ~0.003-3 Gyr we…
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Why are the K dwarfs in the Pleiades so Blue
The K dwarfs in the Pleiades fall nearly 1 mag below a main-sequence isochrone when plotted in a color- magnitude diagram utilizing V magnitude as the luminosity index and BV as the color index. This…
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Epsilon Eridani's planetary debris disk: structure and dynamics based on Spitzer and Caltech submillimeter observatory observations
Spitzer and Caltech Submillimeter Observatory images and spectrophotometry of Eridani at wavelengths from 3.5 to 350 μm reveal new details of its bright debris disk. The 350 μm map confirms the…
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Mid-Infrared Imaging of a Circumstellar Disk around HR 4796: Mapping the Debris of Planetary Formation
We report the discovery of a circumstellar disk around the young A0 star HR 4796 in thermal infrared imaging carried out at the W. M. Keck Observatory. By fitting a model of the emission from a flat…
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Results of a Deep Imaging Survey of One Square Degree of the Pleiades for Low-Luminosity Cluster Members
We have obtained relatively deep imaging in two colors, with limiting magnitudes of V ~ 22.5 and Ic ~ 21, of about one square degree of the Pleiades open cluster. Our primary goal was to identify new…
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Model of a Kuiper Belt Small Grain Population and Resulting Far-Infrared Emission
We have calculated a simple model of the expected Kuiper Belt (KB) small grain population and the thermal emission that would arise from such grains. We have also sought observational evidence for…
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