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The Cold Debris Disk Surveys. I. Host Star Properties
Kenyon, Scott J., Bromley, Benjamin C. & Najita, Joan R., 2026, The Astronomical Journal, 171, 223 | View on ADS (2026AJ....171..223K)
Abstract
We describe the dynamical, photometric, and spectroscopic data available for stars targeted by Spitzer and Herschel to search for cold circumstellar dust emission from debris disks, a collection that we name the Cold Debris Disk Surveys (CDDS). These data include Hipparcos and Gaia parallaxes, 0.4─1250 μm photometry, spectral types, effective temperatures, gravities, bolometric luminosities, visual extinctions, metallicities, lithium abundances, rotational periods, projected rotational velocities, the Ca II HK and IR triplet activity indicators, and X-ray luminosities for 3675 stars. Within this sample, we: (i) investigate the frequency of stellar and planetary companions (including potential new proper-motion companions), (ii) use the data to assign CDDS stars to the field or one of many moving groups, open clusters, or stellar associations, and (iii) investigate correlations between stellar activity indicators. In future papers, we plan to explore the magnitude and frequency of infrared excess emission as a function of host star properties, to search for new companions with Gaia, and to examine the evolution of infrared excesses with the ages of stars in clusters and the field.
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