Rotse-1 Light Curve (IMAGE) Southern Methodist University Caption Light curves show the brightness of a star vs. time. This light curve represents observations from the ROTSE-I telescope used to discover the SMU variable star. With additional data from other telescope data sets, SMU astronomers identified a rare HADS(B) triple mode variable star. Credit Credit: SMU Usage Restrictions Please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.