// Workers AI · dad joke modeWhat did Sigma-D say to its date? You relate to me.
The Sigma-D relation, or Σ-D Relation, is the claimed relation between the radio surface brightness and diameter of a supernova remnant. It is generally regarded as of limited physical use, since it has very large scatter and is dominated by observational selection biases.[1][2]
References
[edit]- ↑ Green, D. A. (1991-02-01). "Limitations Imposed on Statistical Studies of Galactic Supernova Remnants by Observational Selection Effects". Publications of the Astronomical Society of the Pacific. 103: 209. Bibcode:1991PASP..103..209G. doi:10.1086/132810.
- ↑ Green, D. A. (2005-01-01). "Some statistics of Galactic SNRs". Memorie della Societa Astronomica Italiana. 76: 534–541. arXiv:astro-ph/0505428. Bibcode:2005MmSAI..76..534G.
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