The Canada-France Ecliptic Plane Survey : First (L3) data release

Details The Canada-France Ecliptic Plane Survey : First (L3) data release The Canada-France Ecliptic Plane Survey : First (L3) data release

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.4401p&link_type=abstract

American Astronomical Society, DPS meeting #38, #44.01; Bulletin of the American Astronomical Society, Vol. 38, p.563

Astronomy and Astrophysics

Astronomy

Scientific paper

The Canada-France Ecliptic Plane Survey (CFEPS) is a search of about 400 square degrees around the ecliptic to R-band magnitude of roughly 23.2, as one portion of the Canada-France-Hawaii Telescope's Legacy Survey. CFEPS provides discovery and some of the long-term tracking of discovered objects needed to provide orbital inforamtion to study the dynamical structure of the Kuiper Belt. This 5-year project is now just slightly over half completed and the first data release (named L3) has
just occurred, including all the objects discovered in the first year of the survey since these have now been tracked over 3 oppositions and have orbits with semimajor axes known to 0.1 percent accuracy.
We will review the design of the Ecliptic Survey, demonstrating the need for the timing sequence used, and repeat the need for a large FOV mosaic camera for 1-year recoveries to avoid orbital biases. We will show how our survey was able to recover some lost MPC objects, why they were lost, and how our strategy avoided further loss.
We will then give an overview of the objects that form part of the CFEPS L3 release. The two most important products from this survey are an "unbiased" database of orbital elements of TNOs, and the characterization of their discovery. We find the surprising result that about one-third of the L3 objects are resonant. We have developed a CFEPS survey simulator which allows theoreticians to filter a theoretically-derived orbital distribution with the actual detections
of CFEPS.
In a companion presentation, Gladman et al. will present the first modelling of the outer solar system using the survey simulator and characterization of the first year of the Ecliptic Survey.

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