Estimate cosmic distances precisely
distance-ladderskillsetup L1★64
Tibsfox/gsd-skill-creator ↗What it does
Estimate and cross-check astronomical distances
Best for
Validating claimed astronomical distances by chaining multiple independent methods.
Inputs
- · observed magnitude
- · spectral classification
- · parallax angle
Outputs
- · distance estimate (parsecs/megaparsecs)
- · error bounds
- · calibration chain
Preconditions
Observational data: apparent magnitude, spectral type, or parallax measurement
Failure modes
- · Missing calibration data
- · Unaccounted extinction
- · Metallicity effects on relations
Trust signals
- · Rung calibration against direct geometric measurements
- · Error analysis per method
- · Historical examples (Cepheid, SN Ia calibrations)