Astrophysics Data System (ADS) is a portal for research in astronomy and physics. It includes indexing for publications in astronomy and astrophysics, physics, and general science publications, including all arXiv e-prints. Be aware that publications that are pre-prints have not been peer reviewed. It also includes citation metrics, astronomical object information, links to data catalogs and data sets, and links to publisher websites. These external links have not been configured for Rutgers access.