News tagged with host star

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Stellar dust survey paves way for exoplanet missions

Veils of dust wrapped around distant stars could make it difficult for scientists to find potentially habitable planets in those star systems. The Hunt for Observable Signatures of Terrestrial Systems, or HOSTS, survey was ...

dateApr 26, 2018 in Astronomy
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Rings and gaps in a developing planetary system

The discovery of an exoplanet has most often resulted from the monitoring of a star's flicker (the transiting method) or its wobble (the radial velocity method). Discovery by direct imaging is rare because it is so difficult ...

dateApr 02, 2018 in Astronomy
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15 new planets confirmed around cool dwarf stars

A research team led by Teruyuki Hirano of Tokyo Institute of Technology's Department of Earth and Planetary Sciences has validated 15 exoplanets orbiting red dwarf systems. One of the brightest red dwarfs, K2-155 that is ...

dateMar 12, 2018 in Astronomy
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Iron-rich stars host shorter-period planets

Astronomers with the Sloan Digital Sky Survey (SDSS) have learned that the chemical composition of a star can exert unexpected influence on its planetary system—a discovery made possible by an ongoing SDSS survey of stars ...

dateJan 10, 2018 in Astronomy
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