V669 Cassiopeiae
id:
v669-cassiopeiae-170-17958760
title:
V669 Cassiopeiae
text:
V669 Cassiopeiae or V669 Cas is an OH/IR star, a type of particularly cool red giant, with a spectral type of M9III. With a mean visual apparent magnitude 17.5, V669 Cassiopeiae varies with an amplitude of about half a magnitude. In the mid-infrared L band, its magnitude range is 1.57 to 3.02. It is listed as a possible Mira variable, but with the extremely long period of 1,994 days. Jan Herman and Harm Jan Habing reported in 1985 that the star's OH maser emission varied in intensity with a 1994
brand slug:
wiki
category slug:
encyclopedia
description:
Star in Cassiopeia
original url:
https://en.wikipedia.org/wiki/V669_Cassiopeiae
date created:
2022-05-18T02:18:40Z
date modified:
2024-09-01T15:13:49Z
main entity:
{"identifier":"Q91582918","url":"https://www.wikidata.org/entity/Q91582918"}
image:
fields total:
13
integrity:
15