Variable star RZ Piscium has a compact and highly perturbed debris disk, study finds

Using NASA's Spitzer and WISE space telescopes, astronomers from the Steward Observatory and elsewhere have observed a well-known variable star designated RZ Piscium. They found that the star's circumstellar debris disk is compact and highly perturbed. The finding is reported in a paper published October 18 on the pre-print server arXiv.