The TESS Input Catalog
The Transiting Exoplanet Survey Satellite (TESS), launched on April 18, has as its core mission goal to discover small transiting exoplanets orbiting nearby bright stars, and to do so it ...
Supermassive Black Hole Feedback in Galaxies
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The nuclei of most galaxies host supermassive black holes with millions or even billions of solar-masses of material. Material in the vicinity of such black holes can accrete onto a tor...
Stellar Ages and Masses: A New Analysis
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The determination of accurate stellar ages and masses is essential for astronomy - but notoriously difficult. Various methods have been developed for stars of all types, achieving differe...
Astronomers Identify Some of the Earliest Galaxies in the Universe
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Cambridge, MA -
Astronomers from Durham University and the Harvard-Smithsonian Center for Astrophysics (CfA) have found evidence that the faintest satellite galaxies orbiting our own M...
Excavation Begins on Giant Magellan Telescope Site in Chile
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Unraveling the Stellar Content of Young Clusters
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About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and g...
New CfA Research on Ultrahot Jupiters
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A new paper by Laura Kreidberg from the Harvard-Smithsonian Center for Astrophysics (CfA) reports observations of the ultra-hot Jupiter WASP-103b by NASA's Hubble Space Telescope (HST) an...
Ready for Its Day in the Sun: The SWEAP Investigation
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When NASA's Parker Solar Probe launches into space from the Kennedy Space Center, it will begin its journey to the Sun, our nearest star. The Parker Solar Probe will tr...
Spitzer Infrared Observations of a Gravitational Wave Source - a Binary Neutron Star Merger
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GW170817 is the name given to a gravitational wave signal seen by the LIGO and Virgo detectors on 17 August 2017. Lasting for about 100 seconds, the signal was produced by the merger of t...
Pair of Colliding Stars Spill Radioactive Molecules into Space
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Astronomers have made the first definitive detection of a radioactive molecule in interstellar space: a form, or isotopologue of aluminum monofluoride (26AlF). A team l...