Codex reports
Report sites migrated from the shared research portal. Original report titles, historical dates, and scientific conclusions are preserved. This collection includes shared-agent work; it is not an authorship attribution.
Paper 1 draft (restructured)
Preview of the restructured Paper 1 canvas before publishing
Research reportFaint-ePSF charge transport test
Native-pixel transport on two faint-trained references: held-out scores, residual images, controls and limitations.
Research reportePSF residual grids
Shared residual-grid comparisons from ePSF experiments.
Research reportColab scene fits: T4 comparison
Colour DAG pilot, timings, CPU/GPU held-out residuals, and reusable run system
Research reportPaper 1 Section 5 figures
Section 5 figure set rebuilt 10-07 from perband_v3: kernels, region, colour residuals (5 fields), refit stability, bright photometry
Research reportPer-band v3 residual grids (4× oversampled)
F1/F2/S22/C4/C1 final difference images: per-band vs single-filter vs Hotpants, stacked by Tmag × BP−RP in a 3×3 CCD grid
Research reportTraining fixes plan
Stop rule, model-error floor, penalty normalisation, plateau runs (plan, awaiting approval)
Research reportRAW temporal ePSF and WCS
Active photometry investigation: residual trends, physical controls, RAW stacks and signal-preservation tests.
Research reportF1 spatial-start sensitivity
Fixed held-source endpoint comparison with matched residual images, WCS/profile differences and convergence limits
Research reportFinal ePSF magnitude-colour investigation
Residual significance, full A3 model audit, bounded model tests and independent acceptance review
Research reportFaint-star photometry — 1,000-target validation
Actual per-band add-back, PS1 comparison, two-epoch extraction, images and failure cases.
Research reportPaper 1 recovery
C1 template continuation and isolated F1 resource probe; background decisions pending.
Research reportFaint-neighbour ePSF: actual matched training
Completed C4 training pilot: learned shapes, common-scene validation and magnitude residual images; closure inconclusive
Research reportPS1 removal audit — paper C4
Unmatched footprints, omitted faint Gaia sources, exact pixel replay, and required ledger fixes.
Research reportNonlinearity and flattened stellar peaks
Raw/CAL reconstruction, held-out response-versus-width tests, injections and sector-transfer limits
Research reportPaper 2 · WCS motion atlas
CCD x/y motion versus time, velocity aberration, temperature, residuals, and mathematical methods.
Research reportPS1 → template stage trace
Five-field stage tracing, underlying images, and null tests.
Research reportFaint-neighbour brightness priors
Free and prior flux fits, noise and inaccurate catalogue flux, with underlying residual images.
Research reportPS1 causal investigation · PDF
Five-field LaTeX report with 27 image evidence plates.
Research reportePSF atlas
Spatial, magnitude, and colour comparisons in the ePSF investigation.
Research reportPaper 1 · Publication view
Publication figure set and editorial audit.
Research reportBackground explainer
Background-estimation explanation and supporting visuals.
Research reportPaper 1 · Figure desk
Single-FFI paper figures and analysis notes.
Research reportTemplate refit study
The existing template-refit experiment and figures.
Research reportXP colour analysis
XP, PS1 colour, magnitude, and coordinate diagnostics.
Research reportColour-width study
The existing colour-dependent width investigation.
Research reportTESS onboard pointing — literature review
Research reportS24 C2K2 temporal WCS and PSF measurement
Research reportTESS pointing jitter: evidence and processing treatments
31 annotated sources on pointing jitter, quaternion correction, temporal PSFs, image subtraction and preserving astrophysical signals.
Research report