Irregular variable: Difference between revisions

Revision as of 04:33, 9 June 2011

Revision as of 19:49, 28 September 2011

Line 10:

* The third category of eruptive irregulars are the IS stars, which show rapid variations of 0.5 to 1 magnitude in a few hours or days; again, these come in subgroups ISA and ISB.

'''Pulsating''' irregular giants or supergiants, called [[slow irregular variable]]s, are all of late spectral types (K, M, C, or S), and classed as type L-LB for giants and LC for supergiants. How many of these are actually semi-regular variables that simply need more study, remains unclear.<ref>{{citation|title=Observing Variable Stars |author=Gerry Arlen Good|year= 2003|publisher=Springer Science|url= http://books.google.com/?id=k9ViYKvKRz0C&pg=PA8&lpg=PA8&dq=%22Irregular+variable%22|id=ISBN 1-85233-498-3|isbn=9781852334987}}</ref>

== References ==