Star blasts planet with X-rays
A nearby star is pummeling a companion planet with a barrage of X-rays a hundred thousand times more intense than the Earth receives from the Sun.
Astronomy
Sep 13, 2011
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News tagged with companion star
Survivor of stellar collision is new type of pulsating star
A team of astronomers from the UK, Germany and Spain have observed the remnant of a stellar collision and discovered that its brightness varies in a way not seen before on this rare type of star. By analysing the patterns ...
Astronomy
Jun 28, 2013
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Rare-metal abundance points to a missing companion star for the supernova Cassiopeia A
The massive star that exploded to form the supernova known as Cassiopeia A most likely had a companion star that has yet to be spotted, a spectroscopic analysis by RIKEN astrophysicists suggests. This will provide fresh impetus ...
Astronomy
Jul 3, 2020
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Chandra finds stellar duos banished from galaxies
Scientists have found evidence that pairs of stars have been kicked out of their host galaxies. This discovery, made using data from NASA's Chandra X-ray Observatory, is one of the clearest examples of stellar pairs being ...
Astronomy
May 28, 2019
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Know thy star, know thy planet
When it comes to exoplanets, astronomers have realized that they only know the properties of the planets they discover as well as they know the properties of the stars being orbited. For a planet's size, precisely characterizing ...
Astronomy
Sep 14, 2016
1
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Astronomers capture a pulsar 'powering up'
A Monash-University-led collaboration has, for the first time, observed the full, 12-day process of material spiraling into a distant neutron star, triggering an X-ray outburst thousands of times brighter than our Sun.
Astronomy
Jun 2, 2020
0
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Indian astronomers detect companion star to V1787 Ori
Astronomers from India have reported the finding of a companion star to an intermediate-mass Herbig Ae star known as V1787 Ori. The newly detected object turns out to be of M-type and is about 60% less massive than our sun. ...
Young stellar system caught in act of forming close multiples
For the first time, astronomers have seen a dusty disk of material around a young star fragmenting into a multiple-star system. Scientists had suspected such a process, caused by gravitational instability, was at work, but ...
Astronomy
Oct 26, 2016
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Gravity-bending find leads to Kepler meeting Einstein
(Phys.org) —NASA's Kepler space telescope has witnessed the effects of a dead star bending the light of its companion star. The findings are among the first detections of this phenomenon—a result of Einstein's theory ...
Astronomy
Apr 4, 2013
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Space telescopes reveal previously unknown brilliant X-ray explosion in our Milky Way galaxy
Astronomers in Japan, using an X-ray detector on the International Space Station, and at Penn State University, using NASA's Swift space observatory, are announcing the discovery of an object newly emitting X-rays, which ...
Astronomy
Oct 22, 2010
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