The Canada-France Ecliptic Plane Survey: Strategy, Details and Results

Details The Canada-France Ecliptic Plane Survey: Strategy, Details and Results The Canada-France Ecliptic Plane Survey: Strategy, Details and Results

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2509j&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #25.09; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Over the last three years, the Very Wide component of the CFHT Legacy Survey has repeatedly observed 400 square degrees of sky to a depth of R 23.3, with a cadence optimized for the detection of KBOs. CFEPS uses this data to search for and track KBOs. We review the design of the Ecliptic Survey, demonstrating the need for the timing sequence used, and illustrate why a large FOV mosaic camera is required for 1-year recoveries to avoid orbital biases.
Presently CFEPS is just over half completed; discovery operations have concluded, but objects must still be tracked to determine accurate orbits. The first data release (named L3) of objects discovered in 2003 has just occured, since these now have orbits with semimajor axes known to 0.1 percent accuracy. The L3 data release is composed 74 KBOs detected in 94 square degrees; 55 KBOs were tracked to 4 oppositions. Of the 55 objects tracked, 34 are classical belt objects, 17 are resonant, 2 are scattered disk members and 2 appear to be from the extended scattered disk.
The driving goal of the CFEPS project is to provide a well-characterized survey of the Kuiper belt that does not suffer from a hidden 'tracking' bias and can therefore be used to test theoretical models of the Kuiper belt. The CFEPS team is providing a survey simulator that will allow modelers to directly compare their orbit distributions to that seen with CFEPS. We present limits on the intrinsic inclination distribution of the classical belt as an example.
This work is based in part on data products produced at CFHT and the Canadian Astronomy Data Centre as part of the Canada-France-Hawaii Telescope Legacy Survey, a collaborative project of NRC and CNRS.

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