Tag #White Dwarf

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First Photographic Evidence of Type Ia Supernova's Double Detonation

Astronomers using the European Southern Observatory's Very Large Telescope have obtained the first photographic evidence of a Type Ia supernova, a double-detonation event 160,000 light-years away in the Large Magellanic Cloud, revealing two concentric calcium shells expanding outwards, confirming th...

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Discovery of X-ray-Emitting Long-Period Transient Challenges Stellar Evolution Theories

Astronomers detected ASKAP J1832-0911, a celestial object 15,000 light-years away, emitting bright flashes of radio waves and X-rays every 44 minutes; this is the first X-ray detection associated with a long-period transient (LPT), challenging existing theories on stellar evolution and suggesting a ...

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cnnespanol.cnn.com
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Binary Star System Unveiled as Source of Milky Way's Cosmic Pulses

A binary star system, consisting of a white dwarf and a red dwarf orbiting each other every 125.5 minutes, located 1600 light-years from Earth in the constellation Ursa Major, has been identified as the source of previously mysterious two-hour radio pulses.

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Binary Star System Identified as Source of Milky Way's Mysterious Radio Pulses

Astronomers have identified a binary star system, ILTJ1101, comprising a white dwarf and a red dwarf star, as the source of mysterious, repeating radio pulses detected in the Ursa Major constellation; this discovery expands our understanding of radio pulse generation and challenges previous assumpti...

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cnn.com
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Celestial Object's 44-Minute Radio and X-Ray Pulses Challenge Stellar Evolution Models

Astronomers detected ASKAP J1832-0911, a celestial object emitting two-minute-long radio waves and X-rays every 44 minutes, located 15,000 light-years from Earth; this challenges existing models of stellar evolution and opens new research avenues.

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cbsnews.com
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Mysterious Celestial Object Emits Correlated X-rays and Radio Waves

An international team discovered a celestial object, ASKAP J1832−091, 15,000 light-years away in the Milky Way, emitting correlated X-rays and radio waves every 44 minutes during hyperactive phases lasting about a month, unlike any known Galactic object.

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mk.ru
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Binary Star System Discovered as Source of Mysterious Radio Pulses

A binary star system, ILTJ1101, located 1600 light-years away in Ursa Major, emits repeating radio pulses every 125 minutes due to the interaction of a visible red dwarf and an unseen white dwarf star, marking the first such detection outside of magnetars.

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Showing 1 to 7 of 7 results