• DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
Inter Space Sky Way
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
Inter Space Sky Way
No Result
View All Result
Home Space

Astronomers baffled by weird ‘zombie star’ that should not exist

January 16, 2025
in Space
60 2
0
Astronomers baffled by weird ‘zombie star’ that should not exist
74
SHARES
1.2k
VIEWS
Share on FacebookShare on Twitter


You might also like

Astronomers Use the Colors of Trans-Neptunian Objects’ to Monitor an Historic Stellar Flyby

Federal Chancellor of Austria welcomed to ESA Headquarters

Who’s Dr Roger Korby? A quick historical past of Christine Chapel’s new boyfriend in ‘Star Trek: Unusual New Worlds’

Artist’s impression of ASKAP J1839-0756, a neutron star emitting beams of radio waves from its magnetic poles

James Josephides

A collapsed star round 13,000 mild years away is so uncommon that the researchers who’ve found it say it shouldn’t exist.

It was first detected in January 2024 by the ASKAP radio telescope in Western Australia and is more likely to be a type of pulsar that has by no means been seen earlier than.

When supermassive stars attain the tip of their lives and explode in a supernova, the remnants type a super-dense object referred to as a neutron star. Pulsars are neutron stars that spin quickly, emitting radio waves from their magnetic poles as they rotate. Most pulsars spin at speeds of multiple revolution per second and we obtain a pulse on the similar frequency, every time a radio beam factors in direction of us.

However lately, astronomers have begun to seek out compact objects that emit pulses of radio waves at a a lot slower fee. This has baffled scientists, who had thought that radio wave flashes ought to stop when the rotation slows to greater than a minute for every spin.

These slow-spinning objects are often known as long-period radio transients. Final yr, a staff led by Manisha Caleb on the College of Sydney, Australia, introduced the invention of a transient with a interval of 54 minutes.

Now, Caleb and her colleagues say a brand new object they discovered a yr in the past, named ASKAP J1839-0756, is rotating at a brand new file gradual tempo of 6.45 hours per rotation.

Additionally it is the primary transient that has ever been found with an interpulse: a weaker pulse midway between the principle pulses, coming from the other magnetic pole.

At first, the staff thought that ASKAP J1839-0756 may be a white dwarf, a smaller star like our solar that has died. “However we’ve by no means seen an remoted white dwarf emitting radio pulses and our calculation means that it’s too large to be an remoted white dwarf primarily based on the properties of the heart beat,” says Joshua Lee, a staff member on the College of Sydney.

Subsequent, the staff thought it may be a magnetar, a neutron star with an immense magnetic subject – as a lot as 10 trillion occasions extra highly effective than the strongest MRI machines on Earth.

A magnetar with an analogous rotation interval of 6.67 hours has been discovered earlier than, however, to this point, it has solely emitted X-rays, not radio waves.

Caleb says that if the star is an remoted magnetar, it will be the primary that emits within the radio wave frequency with a interval that’s this gradual.

“This new object is totally rewriting what we thought we knew about radio emission mechanisms from neutron stars of the final 60 years,” says Caleb. “It’s positively one of many weirdest objects in current occasions, as a result of we didn’t assume these items existed. However now we’re discovering them. If it’s a magnetar, it’s actually distinctive amongst the neutron star inhabitants.”

She says the concept that pulsars stop emitting radio waves once they spin too slowly must be reconsidered.

“We’re seeing objects lately which appear to cross this demise line, however they’re nonetheless emitting within the radio [frequency],” says Caleb. “So that they’re like zombie stars the place you don’t count on them to be alive, however they’re nonetheless alive, and so they’re pulsing away.”

Matters:



Source link

Tags: AstronomersbaffledbizarreexistShouldntStarZombie
Share30Tweet19

Recommended For You

Astronomers Use the Colors of Trans-Neptunian Objects’ to Monitor an Historic Stellar Flyby

by Chato80
July 18, 2025
0
Astronomers Use the Colors of Trans-Neptunian Objects’ to Monitor an Historic Stellar Flyby

Trans-Neptunian Objects (TNO) are a few of our Photo voltaic System's lesser-known objects. They quantity within the 1000's, and so they get their title from their orbits. These...

Read more

Federal Chancellor of Austria welcomed to ESA Headquarters

by Chato80
July 18, 2025
0
Federal Chancellor of Austria welcomed to ESA Headquarters

On Friday 18 July, His Excellency Christian Stocker, Federal Chancellor of Austria, visited ESA Headquarters in Paris receiving a tour of the location from Director Basic Josef Aschbacher.It...

Read more

Who’s Dr Roger Korby? A quick historical past of Christine Chapel’s new boyfriend in ‘Star Trek: Unusual New Worlds’

by Chato80
July 18, 2025
0
Who’s Dr Roger Korby? A quick historical past of Christine Chapel’s new boyfriend in ‘Star Trek: Unusual New Worlds’

After the earlier mission's life-or-death skirmish with the Gorn, "Star Trek: Unusual New Worlds" season 3 episode 2, "Marriage ceremony Bell Blues", adjusts course to absorb some affairs...

Read more

NASA to launch SNIFS, the solar’s subsequent trailblazing spectator

by Chato80
July 18, 2025
0
NASA to launch SNIFS, the solar’s subsequent trailblazing spectator

The reddish chromosphere is seen on the Solar’s proper edge on this view of the Aug. 21, 2017, complete photo voltaic eclipse from Madras, Oregon. Credit score: NASA/Nat...

Read more

NASA exams scientific devices in Arizona crater forward of moon touchdown try : NPR

by Chato80
July 17, 2025
0
NASA exams scientific devices in Arizona crater forward of moon touchdown try : NPR

NASA desires to land Artemis astronauts on the moon in 2027, however the scientific devices they're going to carry have to be examined on Earth. The very best...

Read more
Next Post
Starship Flight 7: Block 2 Ship set to fly for the primary time

Starship Flight 7: Block 2 Ship set to fly for the primary time

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Browse by Category

  • Alien
  • Astronomy
  • NASA
  • Space
  • Space Flight
  • UFO

Recent News

Axiom Mission 4 returns to Earth after historic ISS keep

Axiom Mission 4 returns to Earth after historic ISS keep

July 18, 2025
Astronomers Use the Colors of Trans-Neptunian Objects’ to Monitor an Historic Stellar Flyby

Astronomers Use the Colors of Trans-Neptunian Objects’ to Monitor an Historic Stellar Flyby

July 18, 2025
Coronary heart Scans, Listening to Assessments Wrap Week as Station Gears Up for Crew Swap

Coronary heart Scans, Listening to Assessments Wrap Week as Station Gears Up for Crew Swap

July 18, 2025
Federal Chancellor of Austria welcomed to ESA Headquarters

Federal Chancellor of Austria welcomed to ESA Headquarters

July 18, 2025
UFOs-Disclosure: He Was Seduced By an Alien

UFOs-Disclosure: He Was Seduced By an Alien

July 18, 2025
NASA staff plan ‘Moon Day’ protest on July 20 to oppose mass layoffs, funds cuts. ‘This yr has been an utter nightmare that has not stopped.’

NASA staff plan ‘Moon Day’ protest on July 20 to oppose mass layoffs, funds cuts. ‘This yr has been an utter nightmare that has not stopped.’

July 18, 2025
  • DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
INTER SPACE SKY WAY

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In