Astronomers see white dwarf 'switch on and off' for first time
Astronomers have used a planet-hunting satellite to see a white dwarf abruptly switching on and off for the first time.
Astronomers have used a planet-hunting satellite to see a white dwarf abruptly switching on and off for the first time.
Astronomy
Oct 18, 2021
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Astronomers have discovered the very first confirmed planetary system that resembles the expected fate of our solar system, when the Sun reaches the end of its life in about five billion years.
Astronomy
Oct 13, 2021
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An international team of astronomers has detected a new peculiar binary as part of the Sloan Digital Sky Survey (SDSS). The newly found object, designated SDSS J133725.26+395237.7, is a nearby double-lined system consisting ...
The prevalent view of white dwarfs as inert, slowly cooling stars has been challenged by observations from the NASA/ESA Hubble Space Telescope. An international group of astronomers have discovered the first evidence that ...
Astronomy
Sep 6, 2021
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The feeding patterns of black holes offer insight into their size, researchers report. A new study revealed that the flickering in the brightness observed in actively feeding supermassive black holes is related to their mass.
Astronomy
Aug 12, 2021
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About 2,000 light-years away from Earth, there is a star catapulting toward the edge of the Milky Way. This particular star, known as LP 40−365, is one of a unique breed of fast-moving stars—remnant pieces of massive ...
Astronomy
Aug 2, 2021
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Astronomers have made the rare sighting of two stars spiraling to their doom by spotting the tell-tale signs of a teardrop-shaped star.
Astronomy
Jul 12, 2021
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Astronomers have discovered the smallest and most massive white dwarf ever seen. The smoldering cinder, which formed when two less massive white dwarfs merged, is heavy, "packing a mass greater than that of our Sun into a ...
Astronomy
Jun 30, 2021
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A dynamo mechanism could explain the incredibly strong magnetic fields in white dwarf stars according to an international team of scientists, including a University of Warwick astronomer.
Astronomy
Apr 30, 2021
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Astronomers from China have performed a comprehensive multiwavelength monitoring of a low-mass black hole X-ray binary system known as MAXI J1820+070. Results of this study, published April 21 on the arXiv pre-print repository, ...