bigbounce/spin-torsion cosmology research program
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SurveysSDSS

SDSS DR18

Legacy/superseded pipeline record retained for methodology and archive context. Historical candidate counts and classifications are unreconciled, are not current discovery results, and do not provide evidence for a bounce.

QC CAUTION
2.3M spectra
0 anomalies (Legacy / superseded)
Optical spectroscopy (3800-9200 Å)
Readiness
QC CAUTION
SDSS

LEGACY / SUPERSEDED — Historical pipeline-quality note retained for audit context; it is not a current catalog-quality assertion.

Cost~$10
Runtime~2.8h
Sources2.3M spectra
Anomalies0
RateLegacy / superseded
BandOptical
Key Findings
Results that define how this survey should be used in the paper set.
  • 01Historical, unreconciled pipeline output — 77,905 cross-transfer anomalies (domain-shift inflation vs DESI)
  • 02Historical, unreconciled pipeline output — Path-C native retrain: only 12 sources at S>5 (~6500x reduction)
  • 03Historical, unreconciled pipeline output — Native top-1% (19,253 at S>=0.2051) is SIMBAD novelty pool
  • 04Historical, unreconciled pipeline output — Ultra-cool dwarfs (M7, T2, L3) dominate cross-transfer catalog
  • 05Historical, unreconciled pipeline output — 3 SDSS × DESI 5-arcsec positional coincidences
Pipeline
ModelDESI BigAE transfer (cross-transfer baseline) + native BigAE retrain (val_loss=0.0311)
WavelengthOptical spectroscopy (3800-9200 Å)
Cost~$10
Runtime~2.8h
Top Anomalies