nebular variable

nebular variable

[′neb·yə·lər ′ver·ē·ə·bəl]
(astronomy)
References in periodicals archive ?
I've found the nebular variable star TY Coronae Australis to be an easy object.
It is an irregular, "Orion-type" nebular variable, a newborn star probably still contracting toward the main sequence.
Fascinating to watch, some of these nebular variables can fluctuate in brightness in a matter of minutes.