Hot Jupiter and Star Magnetic Fields (IMAGE) Arizona State University Caption This simulation shows how a hot Jupiter's magnetic field would interact with its host star's magnetic field. The new study found such interactions are enhanced because at least four hot Jupiters have larger calculated magnetic field strengths than previously thought. Credit Antoine Strugarek/CEA Saclay/Université de Montréal Usage Restrictions No restrictions when used in connection with reportage on this story 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.