(PhysOrg.com) -- An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one third of all Sun-like ...
Astronomy
Dec 7, 2009
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Using the Parkes telescope, an international team of astronomers has performed a monitoring campaign of a gamma-ray millisecond pulsar (MSP) known as PSR J2039−5617. The observations detected radio pulsations from this ...
Using ESA's XMM-Newton spacecraft, astronomers have conducted X-ray observations of a peculiar Cepheid variable star known as V473 Lyr. Results of the study suggest that this star has a young, low-mass companion. The finding ...
Pulsars are among the most extreme stars in the universe: dense balls of matter which are heavier than the Sun, yet only a few tens of kilometers in diameter. They rotate rapidly (up to several hundred revolutions per second) ...
Astronomy
Oct 8, 2012
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Astronomers from the Istanbul University in Turkey report the finding of a new short-period pulsating variable star during observations of the field of exoplanet host star XO-2. The newly detected object is most likely a ...
Recently, a team of astronomers reported discovering a pulsating star that appears to shine with the energy of 10 million suns. The find, which was announced in Nature, is the brightest pulsar – a type of rotating neutron ...
Astronomy
Oct 27, 2014
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Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected Beta Cephei-type pulsations in an eclipsing binary system known as V453 Cygni. The finding, detailed in a paper published May 15 on arXiv.org, ...
The antimatter hunter AMS-02 on the International Space Station is searching for the missing pieces of our Universe. The project's first results published yesterday are hinting at a new phenomenon and revealing more about ...
Astronomy
Apr 4, 2013
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RR Lyrae stars are old, pulsating stars that burn helium in their cores for fuel. Their progenitors were similar to our sun, but they are now much larger and brighter than our sun. We know of hundreds of thousands of RR Lyrae ...
Astronomy
Sep 7, 2023
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As Carl Sagan famously said, "We're made of star stuff"—but how do stars distribute their essential "stuff" for life into space? NASA's telescope on an airplane, SOFIA, is finding some answers by watching pulsating stars ...
Astronomy
Aug 6, 2020
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