Magnitude (astronomy)
id:
magnitude-astronomy-168-9849373
title:
Magnitude (astronomy)
text:
In astronomy, magnitude is a measure of the brightness of an object, usually in a defined passband. An imprecise but systematic determination of the magnitude of objects was introduced in ancient times by Hipparchus. Magnitude values do not have a unit. The scale is logarithmic and defined such that a magnitude 1 star is exactly 100 times brighter than a magnitude 6 star. Thus each step of one magnitude is 100 5 ≈ 2.512 times brighter than the magnitude 1 higher. The brighter an object appears,
brand slug:
wiki
category slug:
encyclopedia
description:
Logarithmic measure of the brightness of an astronomical object
original url:
https://en.wikipedia.org/wiki/Magnitude_(astronomy)
date created:
2005-08-20T22:54:41Z
date modified:
2024-08-31T12:43:04Z
main entity:
{"identifier":"Q2028919","url":"https://www.wikidata.org/entity/Q2028919"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/6/6b/Magnitude_illustration.svg","width":512,"height":299}
fields total:
13
integrity:
16