• 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

A latest quick radio burst calls into query what astronomers believed they knew

January 26, 2025
in Space
58 4
0
A latest quick radio burst calls into query what astronomers believed they knew
74
SHARES
1.2k
VIEWS
Share on FacebookShare on Twitter


You might also like

Find out how to Save NASA Science: A retrospective on…

Earth from Area: Cyclone Errol

SpaceX strikes large Tremendous Heavy booster to pad forward of Starship Flight 11 launch (pictures)

Astronomers thought they understood fast radio bursts. A recent one calls that into question.
The situation of the quick radio burst, indicated by the oval outlines, is on the outskirts of a large elliptical galaxy, the yellow oval at proper. Credit score: Gemini Observatory

Astronomer Calvin Leung was excited final summer time to crunch information from a newly commissioned radio telescope to exactly pinpoint the origin of repeated bursts of intense radio waves—so-called quick radio bursts (FRBs)—emanating from someplace within the northern constellation Ursa Minor.

Leung, a Miller Postdoctoral Fellowship recipient on the College of California, Berkeley, hopes ultimately to grasp the origins of those mysterious bursts and use them as probes to hint the large-scale construction of the universe, a key to its origin and evolution. He had written many of the laptop code that allowed him and his colleagues to mix information from a number of telescopes to triangulate the place of a burst to inside a hair’s width at arm’s size.

The thrill turned to perplexity when his collaborators on the Canadian Hydrogen Depth Mapping Experiment (CHIME) turned optical telescopes on the spot and found that the supply was within the distant outskirts of a long-dead elliptical galaxy that by all rights shouldn’t include the form of star thought to supply these bursts.

As an alternative of discovering an anticipated “magnetar” (a extremely magnetized, spinning neutron star left over from the core collapse of a younger, huge star), “now the query was: How are you going to clarify the presence of a magnetar inside this previous, useless galaxy?” Leung stated.

The younger stellar remnants that theorists suppose produce these millisecond bursts of radio waves ought to have disappeared way back within the 11.3-billion-year-old galaxy, situated 2 billion gentle years from Earth and weighing greater than 100 billion occasions the mass of the solar.

“This isn’t solely the primary FRB to be discovered outdoors a useless galaxy, however in comparison with all different FRBs, it is also the farthest from the galaxy it is related to. The FRB’s location is shocking and raises questions on how such energetic occasions can happen in areas the place no new stars are forming,” stated Vishwangi Shah, a doctoral scholar at McGill College in Montreal, Canada, who refined and prolonged Leung’s preliminary calculations in regards to the location of the burst, referred to as FRB 20240209A.

Shah is the corresponding creator of a study of the FRB printed in Astrophysical Journal Letters together with a second paper by colleagues at Northwestern College in Evanston, Illinois.

Leung, a co-author of each papers, is a lead developer of three companion telescopes—so-called outriggers—to the unique CHIME radio array situated close to Penticton, British Columbia. He mentored Shah at McGill whereas Leung was a doctoral scholar on the Massachusetts Institute of Know-how (MIT) and subsequently held an Einstein Postdoctoral Fellowship at UC Berkeley previous to his Miller fellowship.

New CHIME outrigger in California

A 3rd outrigger radio array will log on this week at Hat Creek Observatory, a facility in Northern California previously owned and operated by UC Berkeley and now managed by the SETI Institute in Mountain View. Collectively, the 4 arrays will immensely enhance CHIME’s capacity to exactly find FRBs.

“When paired with the three outriggers, we must always have the ability to precisely pinpoint one FRB a day to its galaxy, which is substantial,” Leung stated. “That is 20 occasions higher than CHIME, with two outrigger arrays.”

With this new precision, optical telescopes can pivot to determine the kind of star teams—globular clusters, spiral galaxies—that produce the bursts and hopefully determine the stellar supply. Of the 5,000 or so sources detected up to now—over 95% of which have been detected by CHIME—few have been remoted to a particular galaxy, which has hindered efforts to substantiate whether or not magnetars or some other sort of star are the supply.

As detailed within the new paper, Shah averaged many bursts from the repeating FRB to enhance the pinpointing accuracy offered by the CHIME array and one outrigger array in British Columbia. After its discovery in February 2024, astronomers recorded 21 extra bursts by means of July 31. For the reason that paper was submitted, Shion Andrew at MIT has included information from a second outrigger on the Inexperienced Financial institution Observatory in West Virginia to substantiate Shah’s printed place with 20 occasions the precision.

Uncover the most recent in science, tech, and house with over 100,000 subscribers who depend on Phys.org for each day insights.
Join our free newsletter and get updates on breakthroughs,
improvements, and analysis that matter—each day or weekly.

“This outcome challenges present theories that tie FRB origins to phenomena in star-forming galaxies,” stated Shah. “The supply may very well be in a globular cluster, a dense area of previous, useless stars outdoors the galaxy. If confirmed, it might make FRB 20240209A solely the second FRB linked to a globular cluster.”

She famous, nevertheless, that the opposite FRB originating in a globular cluster was related to a stay galaxy, not an previous elliptical wherein star formation ceased billions of years in the past.

“It is clear that there is nonetheless a variety of thrilling discovery house on the subject of FRBs and that their environments might maintain the important thing to unlocking their secrets and techniques,” stated Tarraneh Eftekhari, who has an Einstein Postdoctoral Fellowship at Northwestern and was first creator of the second paper.

“CHIME and its outrigger telescopes will allow us to do astrometry at a degree unmatched by the Hubble Area Telescope or the James Webb Area Telescope. It will be as much as them to drill down to search out the supply,” Leung added. “It is a tremendous radio telescope.”

Extra info:
Vishwangi Shah et al, A Repeating Quick Radio Burst Supply within the Outskirts of a Quiescent Galaxy, The Astrophysical Journal Letters (2025). DOI: 10.3847/2041-8213/ad9ddc

T. Eftekhari et al, The Huge and Quiescent Elliptical Host Galaxy of the Repeating Quick Radio Burst FRB 20240209A, The Astrophysical Journal Letters (2025). DOI: 10.3847/2041-8213/ad9de2

Supplied by
College of California – Berkeley


Quotation:
A latest quick radio burst calls into query what astronomers believed they knew (2025, January 25)
retrieved 26 January 2025
from

This doc is topic to copyright. Other than any honest dealing for the aim of personal examine or analysis, no
half could also be reproduced with out the written permission. The content material is offered for info functions solely.





Source link

Tags: AstronomersbelievedburstCallsfastknewquestionRadio
Share30Tweet19

Recommended For You

Find out how to Save NASA Science: A retrospective on…

by Chato80
October 10, 2025
0
Find out how to Save NASA Science: A retrospective on…

We reached past the standard space-interested mediasphere to safe protection on MSNBC, CNN, ABC, CBS, BBC, Axios, and native retailers in practically each state represented by our advocates....

Read more

Earth from Area: Cyclone Errol

by Chato80
October 10, 2025
0
Earth from Area: Cyclone Errol

This extensive view of Copernicus Sentinel-3 reveals Cyclone Errol heading in the direction of the coast of Western Australia.Zoom in to discover this picture at its full decision.Errol was a...

Read more

SpaceX strikes large Tremendous Heavy booster to pad forward of Starship Flight 11 launch (pictures)

by Chato80
October 10, 2025
0
SpaceX strikes large Tremendous Heavy booster to pad forward of Starship Flight 11 launch (pictures)

The primary stage of SpaceX's Starship megarocket has made it to the launch pad forward of subsequent week's check flight.On Wednesday (Oct. 8), SpaceX posted photos on X...

Read more

Astronomers detect lowest mass darkish object ever measured utilizing gravitational lensing

by Chato80
October 9, 2025
0
Astronomers detect lowest mass darkish object ever measured utilizing gravitational lensing

Overlay of the infrared emission (black and white) with the radio emission (color). Credit score: Keck/EVN/GBT/VLBA Darkish matter is an enigmatic type of matter not anticipated to emit...

Read more

An Asteroid Flew Nearer Than The ISS Just lately

by Chato80
October 10, 2025
0
An Asteroid Flew Nearer Than The ISS Just lately

An asteroid not too long ago made the second closest move to Earth ever noticed on October 1st. And astronomers solely discovered it after it had already accomplished...

Read more
Next Post
This Week In House podcast: Episode 145 — We’re ‘Star Certain’ with a information to America’s house program

This Week In House podcast: Episode 145 — We're 'Star Certain' with a information to America's house program

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

Find out how to Save NASA Science: A retrospective on…

Find out how to Save NASA Science: A retrospective on…

October 10, 2025
ISS astronaut captures wonderful video of SpaceX Starlink satellite tv for pc practice cruising above auroras

ISS astronaut captures wonderful video of SpaceX Starlink satellite tv for pc practice cruising above auroras

October 10, 2025
UFOs-Disclosure: Nordic Aliens Warned Eisenhower: “Cease Tearing the Dimensions”

UFOs-Disclosure: Nordic Aliens Warned Eisenhower: “Cease Tearing the Dimensions”

October 10, 2025
Earth from Area: Cyclone Errol

Earth from Area: Cyclone Errol

October 10, 2025
New Analysis Says the “Darkish Facet” of the Moon is Additionally the Chilly Facet

New Analysis Says the “Darkish Facet” of the Moon is Additionally the Chilly Facet

October 10, 2025
Cosmic baboon rampages by means of deep house in beautiful new nebula photograph

Cosmic baboon rampages by means of deep house in beautiful new nebula photograph

October 10, 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