Astronomy & space · Advanced university
Astronomical inference, selection and multi-messenger data · revision notes
A detected sample is shaped by observing limits and selection criteria. It need not represent the full source population without correction.
Key ideas and conditions
Selection
A detected sample is shaped by observing limits and selection criteria. It need not represent the full source population without correction.
Messengers
Electromagnetic radiation, gravitational waves and particles can reveal complementary processes. Association requires consistent timing, direction and false-coincidence analysis.
Model comparison
A good fit is not proof that a model is uniquely correct. Compare alternative explanations, residuals and out-of-sample predictions when possible.
Reproducibility
Record data versions, calibration, selection rules and analysis code. Report uncertainty and distinguish measured quantities from derived estimates.
Explain without looking
- Which item belongs in a reproducible astronomical analysis?
- Design a brief check for a claimed population trend in an observed catalogue.
Further reading and review references
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
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