ADS Uninterruptible Power Supply

We present the automated techniques we have developed for new software that optimally detects, de-blends, measures and classifies sources from astronomical images: SExtractor (Source …

The Kepler mission was designed to determine the frequency of Earth-sized planets in and near the habitable zone of Sun-like stars. The habitable zone is the region where planetary …

Context. The number of observed giant radio sources (GRSs) has increased significantly in recent years, yet their formation mechanisms remain elusive. The discovery of giant radio galaxies …

About ADS The Astrophysics Data System (ADS) is a digital library portal for researchers in astronomy and physics. The Smithsonian Astrophysical Observatory (SAO) …

The number of known periodic variable stars has increased rapidly in recent years. As an all-sky transit survey, the Transiting Exoplanet Survey Satellite (TESS) plays an important role in …

*The material contained in this document is based upon work supported by a National Aeronautics and Space Administration (NASA) grant or cooperative agreement. Any opinions, findings, …

Transient fading X-ray emission detected during the optical rise of a tidal disruption event

A theory of infall of material into clusters of galaxies is developed and applied to the Coma cluster. It is suggested that the infall phenomenon is responsible for the growth of cluster galaxies. The …