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Variable Stars

Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. New threads should be posted on the new forums. The forums at aavso.org/forum will become read-only on September 12, 2024.

Forum Topics Posts Last post
This forum is for discussions of cataclysmic variable stars.
 290 1015 By brownrb1 3 years 4 months ago
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Information on the observation and analysis of stars and other objects that are sources of x-rays and gamma rays.
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Information on the Observation and analysis of short period pulsators such as Cepheids and RR Lyrae.
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Discussion of eclipsing binary stars.
 41 269 By VMT 4 years 4 months ago
41 199 By jerry.hubbell 4 years 4 months ago
Discussion of long period variable stars: mira's, semiregulars, etc.
 139 750 By GZN 4 years 2 months ago
A forum created to support Jeno Sokoloski's nova project, to increase our level of support for all areas of nova observation, and for general discussion of novae.
 166 1164 By JohnMarsh 4 years 2 months ago
Discussion of RCBs and related classes of stars that show irregular fading episodes.
 53 218 By SPK 5 years ago
Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
 113 494 By maxsurlaroute 4 years 2 months ago
Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
 130 407 By brownrb1 3 years 4 months ago