Top 50 Anomalies
Click any row to expand the detail panel with sky image, AI reasoning, and review form.
| # | Target ID | RA | Dec | z | Type | ZWARN | Score | AI Label |
|---|
Top 20 QSO Anomalies
QSO-specific anomaly subset. Click any row for details.
| # | Target ID | RA | Dec | z | ZWARN | AI Label |
|---|
Red-Team Checklist
Review each risk before finalizing labels. Check off items as you address them.
Likely Leakage Routes
Survey depth (FLUX_IVAR) was the dominant nuisance — partially mitigated by percentile normalization
Fiber-to-fiber variations not tested (no FIBER column in EDR)
Spectral features not used — only catalog metadata; true spectral anomalies may be missed
Astrophysical Confounders
Stars dominate top anomalies — many are just unusual stellar types, not cosmologically interesting
High-z QSO enrichment may reflect template mismatch in DESI pipeline, not intrinsic anomalousness
Galaxy anomalies may be photometric blends or deblending failures
Instrument Confounders
DESI fiber positioning errors could create systematic spectral artifacts
Sky subtraction residuals may dominate faint-object anomaly scores
Wavelength calibration issues could mimic emission-line anomalies
What Would Falsify the Pipeline
If top anomalies are all known artifacts in DESI validation catalogs
If anomaly scores correlate strongly with observing conditions after correction
If no anomaly survives visual inspection of the actual spectra