First Results of the CFHLS Kuiper Belt Survey.
Bibliographic record
Abstract
The Very Wide component of the Canada-France-Hawaii Telesope Legacy Survey will image approximately 1000 square degrees of the ecliptic, with the goal of discovering about 1000 Kuiper Belt Objects and characterizing their orbital distribution. At present, about 152 square degrees have been covered with at least a 2 month observational baseline (out of a final 3 year baseline). Over 125 KBOs have been discovered in these fields, with a well- characterized discovery rate. The VW-CFHTLS has also been designed to provide an optimal recovery strategy and maximum ``legacy value'' for other purposes, with discovery observations occuring on two nights when the fields are at opposition, then further observations of these fields two months later, one year after discovery and a final epoch at three years after discovery. In combination with observations at other telescopes, this provides a bias-free recovery strategy, which in combination with the discovery efficiency characterization, allows an accurate determination of the orbital structure of the Kuiper Belt. We will present results from this first sample of KBOs.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.003 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".