semiregular variable star

C19648 concept

A semiregular variable star is a pulsating giant or supergiant star whose brightness varies with somewhat predictable but not strictly regular periods and amplitudes.

Observed surface forms (1)

pulsating variable star ×8

Instances (11)

Betelgeuse
variable star R Scuti via concept surface "pulsating variable star"
surface form: R Scuti
variable star WZ Scuti via concept surface "pulsating variable star"
surface form: WZ Scuti
variable star UY Scuti via concept surface "pulsating variable star"
surface form: UY Scuti
R Scuti via concept surface "pulsating variable star"
Delta Scuti via concept surface "pulsating variable star"
RR Lyrae variable stars via concept surface "pulsating variable star"
surface form: RR Lyrae variable star
HD 39801
Mira via concept surface "pulsating variable star"
Gamma Doradus via concept surface "pulsating variable star"
α Herculis
surface form: α Herculis A