About ab astris
ab astris is a publication-grade discovery platform for variable stars and exoplanet candidates using TESS with multi-mission cross-validation (Kepler/K2 and Gaia DR3).
- Variable Stars: Lomb-Scargle periodograms, VSX catalog cross-matching, publication-ready exports
- Transit Detection: BLS transit search, 5-layer false positive filtering, ExoFOP validation
- Cross-validation: Kepler/K2 + Gaia DR3 independent period confirmation
- Export formats: VSX submission packages, ExoFOP, LaTeX, CSV, FITS
How It Works
Click any step to view technical details
1. Index
Populate database with TESS targets and cross-validation coverage2. Explore
Find unanalyzed TESS targets ready for investigation3. Analyze
Lomb-Scargle periodogram, bootstrap errors, variability scoring4. Enrich
Multi-sector stitching + cross-mission validation5. Transit Search
BLS exoplanet candidate detection with false positive filtering6. Submit
Generate VSX submission package for TRUE discoveries1. Index
Populate database with TESS targets and cross-validation coverage2. Explore
Find unanalyzed TESS targets ready for investigation3. Analyze
Lomb-Scargle periodogram, bootstrap errors, variability scoring4. Enrich
Multi-sector stitching + cross-mission validation5. Transit Search
BLS exoplanet candidate detection with false positive filtering6. Submit
Generate VSX submission package for TRUE discoveriesDiscovery Scoring
0-100 point system reflecting publication readiness and scientific significance
Score Tiers
90-100Exceptional
75-89High-Quality
60-74Solid
50-59Moderate
40-49Marginal
<40Low
Variability0-40 pts
Measured amplitude: 8 pts per 1% variability, capped at 5%
Period Significance0-25 pts
FAP confidence: 25 pts for <0.0001, 20 for <0.001, 15 for <0.01
Data Quality0-15 pts
Sector count (2 pts each, max 10) + data points bonus (up to 5)
Bonus Multipliers
+20 pts
Ultra-Short PeriodP < 0.1 days (2.4 hours)
+5 pts
High Proper Motion> 50 mas/yr
+5 pts
Multi-Sector ConsistencyPeriod consistent across 3+ sectors
Feature Roadmap
Click any feature to expand for full details. Ordered by priority.
5features planned
13+weeks total
4/5complete
Filter
BLS Transit Detection Pipeline
Priority 1Complete
High complexity
3-4 weeks
60% reuse
High impact
100%
VSX Export & VizieR Validation System
Priority 2Complete
Low complexity
2-3 weeks
100% reuse
High impact
100%
Kepler/K2 Cross-Validation
Priority 3Complete
Low complexity
3 weeks
95% reuse
High impact
100%
Gaia DR3 Cross-Validation
Priority 4Complete
Medium complexity
3 weeks
90% reuse
High impact
100%
GNN Stellar Population Graph
Priority 5Planned
Very High complexity
2-3 weeks
50% reuse
Medium impact
50%
Legend
Complexity:
● Low (2-3 weeks, 90%+ reuse)● Medium (3-4 weeks, 70-90% reuse)● High (2-3 weeks, complex implementation)● Very High (ML/training infrastructure)
User Impact:
● High (immediate tangible value)● Medium (platform expansion)● Low (automation benefits)
Priority Order: Ranked by value/complexity ratio, dependencies, and immediate user value. "Quick Wins" = Low/Medium complexity features with high impact.