Etherington's reciprocity theorem
id:
etherington-s-reciprocity-theorem-320-7798625
title:
Etherington's reciprocity theorem
text:
The Etherington's distance-duality equation is the relationship between the luminosity distance of standard candles and the angular diameter distance. The equation is as follows: d L = 2 d A , where z is the redshift, d L is the luminosity distance and d A the angular-diameter distance.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Etherington%27s_reciprocity_theorem
date created:
date modified:
2023-02-26T00:26:49Z
main entity:
{"identifier":"Q20747274","url":"https://www.wikidata.org/entity/Q20747274"}
image:
fields total:
13
integrity:
13