Tag #Red Dwarf

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Mar 15, 10:10

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.

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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What is the source of the previously unexplained two-hour radio pulses detected within the Milky Way?

Astronomers have discovered a unique source of long-period radio transients (LPTs): a binary star system composed of a white dwarf and a red dwarf orbiting closely, causing their magnetic fields to interact and emit radio pulses every two hours. This challenges previous understanding that only neutron stars produce LPTs.

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Mar 14, 22:08

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...

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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How did the researchers identify and pinpoint the source of these radio pulses, and what observational techniques were crucial in confirming their origin?

This finding expands our understanding of stellar interactions and radio pulse generation. The close orbit and magnetic field interplay in ILTJ1101, unlike previously observed sources, demonstrates that binary star systems can generate LPTs, adding a new class of celestial objects capable of emitting these pulses. The discovery was made using the Low-Frequency Array telescope (LOFAR) and confirmed through follow-up observations using optical telescopes.

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Mar 15, 10:10

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.

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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How does the interaction between the red dwarf and white dwarf stars in ILTJ1101 generate the observed radio pulses?

The red dwarf's back-and-forth movement, with the same 125-minute period as the radio pulses, indicates gravitational influence from the white dwarf. Analysis of the optical spectra confirmed the red dwarf's rapid movement and the white dwarf's mass. This binary system's interaction generates radio wave bursts.

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