The Formation and Evolution of Planetary Systems ( FEPS ) : Discovery of an Unusual Debris System Associated with HD 12039

@inproceedings{Hines2005TheFA,
  title={The Formation and Evolution of Planetary Systems ( FEPS ) : Discovery of an Unusual Debris System Associated with HD 12039},
  author={Dean C. Hines and Dana E. Backman and Jeroen Bouwman and L. A. Hillenbrand and Matthias John and Carpenter and Michael R. Meyer and Jinyoung Serena Kim and Murray D. Silverstone and Jens and Rodmann and Sebastian Wolf and Eric E. Mamajek and Timothy Y. Brooke and L. Jegatha Deborah and Padgett and Thomas Henning and Amaya Moro-Mart́ın and Elizabeth Stobie and K. D. Gordon and J. E.T. and Morrison and James C. Muzerolle and Kate Y. L. Su},
  year={2005}
}
We report the discovery of a debris system associated with the ∼ 30 Myr old G3/5V star HD 12039 using Spitzer Space Telescope observations from 3.6 – 160μm. An observed infrared excess (LIR/L∗ = 1 × 10 ) above the expected photosphere for λ & 14μm is fit by thermally emitting material with a color temperature of T∼ 110 K, warmer than the majority of debris disks identified to date around Sun-like stars. The object is not detected at 70μm with a 3σ upper limit 6 times the expected photospheric… CONTINUE READING

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