SPITZER/MIPS Observations of the Eta Cha Young Association

Details SPITZER/MIPS Observations of the Eta Cha Young Association SPITZER/MIPS Observations of the Eta Cha Young Association

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20718510g&link_type=abstract

American Astronomical Society Meeting 207, #185.10; Bulletin of the American Astronomical Society, Vol. 37, p.1477

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Spitzer photometry at 24 and 70 microns for 15 members of the eta Cha young association. With an age of only 5-9 million years, this association bridges a crucial period in the dissipation of protoplanetary disks. The observations have enough sensitivity to detect the stellar photospheres at 24 microns, and the presence of debris disks akin to beta Pictoris at 70 microns. We report on these results, and a search for any heretofore unrecognized cluster members suggested by their infrared excess.
This work is based on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA.

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