citizen science

Welcome to the AAVSO's Research Portal.  From this page, you can find information about obtaining AAVSO data, requesting new observations, or learning more about the AAVSO, its data, and its services for the research community.  Its purpose is to facilitate your use of the AAVSO's resources in your research efforts.

See the gray boxes on the right hand side of this page to access the AAVSO data archives or to find out  how to work with the AAVSO to obtain new scientific data.

The Thomas R. and Anna Fay Williams AAVSO Archives

Open Science and Innovation: Of the People, By the People, For the People

2012 was another good year for science generated by the international variable star community, and your efforts played a role in helping advance the science of variable star astronomy.  The AAVSO as an organization continued to play a major role in providing access to amateur and professional data archives, along with providing new means to obtain observations (via AAVSOnet) and publish results (via the Journal of the AAVSO).

Eclipse Spectropolarimetry of the epsilon Aurigae System

An Analysis of the Long-term Photometric Behavior of epsilon Aurigae

High Cadence Measurement of Neutral Sodium and Potassium Absorption During the 2009–2011 Eclipse of epsilon Aurigae

A Demonstration of Accurate Wide-field V-band Photometry Using a Consumer-grade DSLR Camera