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The 66 pages that link to Type Ia supernova, each with the reason it gives.

• Baryon acoustic oscillationsCompared with: Supernovae provide a complementary distance probe without relying on the acoustic ruler.

• Supernova remnantCompared with: Its remnant typically lacks the compact neutron-star engine common in core-collapse cases.

• Neutron star mergerCompared with: It is another luminous stellar explosion, but its energy comes from carbon fusion, not neutron-rich merger ejecta.

• Tully–Fisher relationCompared with: It estimates distance from transient brightness rather than a spiral galaxy’s rotation.

• Galactic chemical evolutionCompared with: Its delayed iron production contrasts with prompt enrichment from massive-star explosions.

• Helium flashCompared with: Unlike a Type Ia event, the helium flash does not destroy the star.

• Tip of the red giant branchCompared with: It reaches far greater distances, while tip measurements can anchor nearby calibration.

• Cataclysmic variable starCompared with: It is a possible endpoint of some accreting white dwarfs, not a recurring ordinary outburst.

• Superluminous supernovaCompared with: It is a familiar supernova class whose standard peak luminosity provides a comparison.

• Type II supernovaCompared with: It contrasts with the core-collapse origin typical of Type II events.

• HypernovaCompared with: Unlike a hypernova, it is not the collapse of a massive stellar core.

• Type Ib and Ic supernovaeCompared with: Its hydrogen-free spectrum can resemble Ib or Ic at a glance, but its explosion mechanism differs.