Equivalent width
id:
equivalent-width-178-962496
title:
Equivalent width
text:
The equivalent width of a spectral line is a measure of the area of the line on a plot of intensity versus wavelength in relation to underlying continuum level. It is found by forming a rectangle with a height equal to that of continuum emission, and finding the width such that the area of the rectangle is equal to the area in the spectral line. It is a measure of the strength of spectral features that is primarily used in astronomy.
brand slug:
wiki
category slug:
encyclopedia
description:
Measure of spectral lines
original url:
https://en.wikipedia.org/wiki/Equivalent_width
date created:
2010-02-03T09:10:10Z
date modified:
2024-09-04T06:21:10Z
main entity:
{"identifier":"Q256077","url":"https://www.wikidata.org/entity/Q256077"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/2e/Definition_of_equivalent_width.jpg","width":392,"height":324}
fields total:
13
integrity:
16