Latest updates for Astrophysical Journal Letters

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Recent items include:

  • Lab-Based Plasmas Shed Light on Stellar Mystery
  • Japanese supercomputer simulations may explain Webb's Little Red Dots
  • ASTRID traces 13.5 billion years of black hole and galaxy evolution

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link.aps.org /1 month ago

Lab-Based Plasmas Shed Light on Stellar Mystery

Author(s): Susan CurtisUsing high-power lasers to drive highly magnetized plasmas, researchers have probed the stellar processes that control coronal mass ejections.[Physics 19, 12...

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phys.org /1 month ago

Japanese supercomputer simulations may explain Webb's Little Red Dots

Of all the discoveries from the James Webb Space Telescope, the multitude of Little Red Dots it has observed is among the most enigmatic. Now, simulations using the Japanese Superc...

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phys.org /1 month ago

ASTRID traces 13.5 billion years of black hole and galaxy evolution

In dark skies at night, distant starlight twinkles and speaks to vast cosmic histories almost as old as time itself. New data from instruments such as NASA's James Webb Space Teles...

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staradvertiser.com /1 month ago

Skywatch: Team identifies new Wolf-Rayet stars near Milky Way’s black hole

Astronomers using the W.M. Keck Observatory and Gemini North Telescope on Mauna Kea have published a study about Wolf-Rayet stars orbiting the central supermassive black hole at th...

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physicsworld.com /3 days ago

Astronomers propose solution for ‘little red dot’ mystery

Recently observed objects could be black holes that grew extremely quickly during an early stage of their lives The post Astronomers propose solution for ‘little red dot’ mystery a...

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phys.org /2 weeks ago

Hidden X-ray phase revealed in likely neutron star merger

An international team of astronomers, including researchers from the Department of Physics and the Hong Kong Institute for Astronomy and Astrophysics (HKIAA) at The University of H...

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phys.org /1 month ago

Discontinuity and disorder: Explaining the luminosity bump in evolved stars

Toward the end of their lives, low-mass stars undergo an abrupt dip in brightness, also known as the luminosity bump. While the endpoint of this bump is well understood, its onset...

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nytimes.com /1 month ago

Massive Black Holes May Have Started as Little Red Dots

A new simulation suggests little red dots, unusually compact objects seen in photos from space, might be one stage in the evolution of black holes.

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phys.org /1 month ago

A 42-light-year X-ray tail links a pulsar to previously 'orphan' gamma rays

Understanding the origin, acceleration and propagation of high-energy cosmic rays has been a century-old mystery in astrophysics. Recently, joint observations from China's Einstein...

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phys.org /3 weeks ago

Stratospheric observatory Sunrise-III reveals intricate solar magnetic structures

A team of researchers led by the National Astronomical Observatory of Japan discovered unexpectedly intricate magnetic structures above quiet-sun regions by observing the sun with...

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universetoday.com /2 weeks ago

XRISM Makes First-Ever Detection of a Pulsar Feeding from a Companion's Stellar "Wind"

Using data from the Japan-led XRISM observatory, astronomers have directly observed a giant star’s stellar wind captured by its compact companion (triggering X-ray flares) for the...

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nanowerk.com /1 month ago

42-light-year X-ray tail reveals how high-energy particles escape a pulsar

Einstein Probe and LHAASO observations reveal a 42-light-year X-ray tail, showing high-energy particles can travel directionally far beyond their pulsar source.

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phys.org /3 days ago

Astronomers uncover the engine behind the most powerful stellar flares in the Kepler field

A new study led by researchers at the Konkoly Observatory of the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) in Budapest has revealed what makes a dista...

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phys.org /1 month ago

Milky Way's first microblazar may produce fastest particles in the galaxy

An international team of astronomers from ASTRON, JIVE, the University of Amsterdam and other institutions has found the first so-called "microblazar" in the Milky Way. This stella...

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phys.org /1 month ago

Black holes from stellar to supermassive size may follow one jet-launching rule

An early-career Western Australian astrophysicist has helped uncover a universal rule behind one of the most powerful behaviors in the universe: when black holes launch jets. The d...

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universetoday.com /1 month ago

New Research Says that Early Galaxies Could be Sending us Neutrinos

Those "Little Red Dots" discovered by the James Webb Space Telescope, galaxies that existed during the very early Universe, could be sending neutrino particles that are reaching us...

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scitechdaily.com /3 weeks ago

Einstein Probe Discovers a Secret Phase of Neutron Star Collisions

Einstein Probe uncovered a hidden soft X-ray phase that may reveal how neutron star merger remnants remain active after short gamma-ray bursts. A burst of gamma rays can flare for...

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scientificamerican.com /1 month ago

This star has the strangest sky in the galaxy

The newfound star S301 orbits the Milky Way’s supermassive black hole so closely that its view of the heavens gets twisted

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phys.org /2 days ago

Black hole observations uncover evidence of solar storm–like magnetic eruptions

Technion researchers have presented evidence for the existence of solar-storm-like outbursts near supermassive black holes, which can be a million times larger than the sun or more...

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phys.org /1 week ago

ALMA catches a dying star mid-transformation, with a ring from its last outburst

Astronomers have used radio observations from the Atacama Large Millimeter/submillimeter Array (ALMA) to catch a dying star in the middle of a dramatic transformation, and the data...

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scitechdaily.com /1 week ago

Astronomers Discover a “Universal” Trigger for Black Hole Jets

Rare stellar deaths have given astronomers a new clue to when supermassive black holes suddenly produce jets. Black holes separated by millions of times in mass may follow the same...

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universetoday.com /1 month ago

Astronomers Uncover "Hypersoft" X-ray Sources

X-rays showcase some of the most unique astronomical objects in the universe. Neutron stars and black holes siphoning gas from companion stars stick out like sore thumbs at this le...

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phys.org /1 month ago

New krypton-88 data narrow a key gap in stellar strontium models

An international research team has reported the first experimental investigation of a nuclear physics reaction essential for understanding how the element strontium is produced in...

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deccanchronicle.com /1 week ago

Aditya-L1, Proba-3 Shed Light On Early Evolution Of Solar Eruptions

Researchers from the Indian Institute of Astrophysics and international institutions analysed two CMEs observed simultaneously by Aditya-L1's Visible Emission Line Coronagraph (VEL...

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