English Wikipedia - The Free Encycl...
הורד מילון זה
Instability strip
The unqualified term
instability strip
usually refers to a region of the
Hertzsprung–Russell diagram
largely occupied by several related classes of pulsating
variable stars
:
Delta Scuti variables
,
SX Phoenicis variables
, and
rapidly oscillating Ap
(roAp) stars near the
main sequence
;
RR Lyrae variables
where it intersects the
horizontal branch
; and the
Cepheid variables
where it crosses the supergiants.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License