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Record W7099019001

GROUND BASED MONITORING MONITORING WITH WITH ADAPTIVE ADAPTIVE OPTICS OPTICS

2008· article· en· W7099019001 on OpenAlexaboutno aff

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldComputer Science
TopicGeochemistry and Geologic Mapping
Canadian institutionsnot available
Fundersnot available
KeywordsCassegrain reflectorAdaptive opticsTelescopeAngular resolution (graph drawing)Focus (optics)Active opticsNeptuneCompensation (psychology)
DOInot available

Abstract

fetched live from OpenAlex

Abstract: Since August 1995, near-infrared images of Neptune have regularly been obtained with the University-of-Hawaii adaptive optics system mounted on the f/35 Cassegrain focus of the Canada-France-Hawaii telescope. These images reveal Neptune’s cloud structure with an angular resolution reaching 0.12 ” in the H band. Using adaptive optics (AO), long-term monitoring of Neptune’s cloud activity is now possible from the ground with an angular resolution close to the telescope diffraction limit. Since our first observation of Neptune in August 1995 (Roddier et al. 1997), we have regularly used the Univer-sity-of-Hawaii (UH) AO system and HgCdTe infrared camera to observe Neptune at the f/35 infra-red Cassegrain focus of the CFHT. Let us recall that the UH AO system differs from other AO systems developed for defense applications by its wave-front sensing and compensation technique (Roddier 1988, Roddier et al. 1991). Wave-front sensing is done with an array of photon-counting avalanche photodiodes. Neptune itself is used as a guide source. First operated in 1994, the 13-actuator UH AO system has now been upgraded to 36 actuators. Most of the images presented here were obtained with the new system. It should be noted that a 19-actuator AO system of the same kind has been built by the Canada-France-Hawaii Telescope (CFHT) corporation and has been

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.005
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.001

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.

Opus teacher head0.041
GPT teacher head0.224
Teacher spread0.183 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2008
Admission routes1
Has abstractyes

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