• 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

Colliding Stars, Stellar Siphoning, and a now a “Blue Lurker.” This Star System has Seen it All

January 16, 2025
in Space
61 1
0
Colliding Stars, Stellar Siphoning, and a now a “Blue Lurker.” This Star System has Seen it All
74
SHARES
1.2k
VIEWS
Share on FacebookShare on Twitter


Triple star methods are extra widespread than could be imagined – about one in ten of each Solar-like star is a part of a system with two different stars. Nevertheless, the dynamics of such a system are complicated, and understanding the historical past of how they got here to be much more so. Science took a step in direction of doing so with a current paper by Emily Leiner from the Illinois Institute of Expertise and her group.

They examined a star known as WOCS 14020 within the star cluster M67, which is about 2,800 gentle years away from Earth. It’s presently orbiting an enormous white dwarf star with a mass of about .76 occasions that of the Solar (about 50% heavier than a typical white dwarf). That pairing hints at a way more attention-grabbing previous.

Dr. Leiner and her group consider that WOCS 14020 was initially a part of a triple star system—particularly, that it orbited a binary pair of a lot bigger stars. Round 500 million years in the past, the 2 stars within the binary merged, briefly creating a way more huge star that pushed a few of its materials onto its third companion star.

Fraser talks about stellar collisions, which brought on WOCS 14020’s present state.

Absorbing that materials brought on WOCS 14020 to start out rushing up its spin. It now rotates as soon as each 4 days, moderately than usually as soon as each thirty days, which is widespread to different Solar-like stars. This sooner rotation characteristic is essential to Dr. Leiner and her group’s classification of the star – a “blue lurker.”

To grasp what that classification means, we should first perceive one other kind of star, the blue straggler. Blue stragglers are stars that even have gained mass from one other star and seem hotter, brighter, and “bluer” than they’d be anticipated to be given their age. On this case, all three options are immediately tied collectively, as a warmer star is extra more likely to be brighter and would give off extra gentle within the blue a part of the seen spectrum, although it could nonetheless seem virtually precisely just like the Solar to the bare eye.

Blue lurkers are a sub-set of blue stragglers – additionally they gained mass from a star, however they spin sooner as a substitute of being hotter and brighter. This makes this troublesome to differentiate in a cluster like M67, as they mix in higher with the opposite surrounding stars, therefore the title “lurker.” Nevertheless, they’re comparatively uncommon – out of the 400 most important sequence stars in M67, solely round 11 are estimated to be “blue lurkers.” That places the whole, even in an area as congested as M67, at solely round 3% of stars. Blue lurkers probably make up lower than 1% of the final inhabitants.

A video explaining blue straggler stars.
Credit score – Cosmos:elementary YouTube Channel

Since their evolutionary histories are more likely to advance our understanding of the dynamics of the methods that created them, astronomers will spend extra time analyzing these blue lurkers once they discover them. Distinctive circumstances like WOCS 14020, the place astronomers have a fairly good thought of the system’s evolutionary historical past, are instrumental in that regard, and the paper, which was introduced on the ongoing 245th American Astronomical Society assembly, was a step in direction of that higher understanding.

Study Extra:
STScI – NASA’s Hubble Tracks Down a ‘Blue Lurker’ Among Stars
Leiner et al – The Blue Lurker WOCS 14020 : A Long-Period Post-Common-Envelope Binary in M67 Originating from a Mergerina Triple System
UT – Blue Straggler Stars are Bizarre
UT – A Uncommon Alternative to Watch a Blue Straggler Forming

Like this:

Like Loading…

You might also like

These Particular Galaxies Lit Up the Cosmic Midday

World’s 1st multimedia efficiency in microgravity will deliver collectively Cirque du Soleil, Nationwide Geographic and NASA

NASA spacecraft across the moon images the crash web site of a Japanese firm’s lunar lander



Source link

Tags: BlueCollidingLurkerSiphoningStarStarsstellarSystem
Share30Tweet19

Recommended For You

These Particular Galaxies Lit Up the Cosmic Midday

by Chato80
June 22, 2025
0
These Particular Galaxies Lit Up the Cosmic Midday

Star formation peaked throughout the Cosmic Midday, which spanned from 10 to 12 billion years in the past. Throughout Cosmic Midday, star formation was 10 to 100 instances...

Read more

World’s 1st multimedia efficiency in microgravity will deliver collectively Cirque du Soleil, Nationwide Geographic and NASA

by Chato80
June 22, 2025
0
World’s 1st multimedia efficiency in microgravity will deliver collectively Cirque du Soleil, Nationwide Geographic and NASA

Unique leisure will enter an entire new frontier of zero-gravity atmosphere venues later this 12 months when acclaimed multimedia artist and worldwide showmaker Natasha Tsakos takes her acrobatic...

Read more

NASA spacecraft across the moon images the crash web site of a Japanese firm’s lunar lander

by Chato80
June 21, 2025
0
NASA spacecraft across the moon images the crash web site of a Japanese firm’s lunar lander

This picture supplied by NASA reveals an annotation indicating the affect web site for ispace's Resilience lunar lander, seen by the Lunar Reconnaissance Orbiter Digicam on June 11,...

Read more

The First Photos from Vera Rubin are About to Drop

by Chato80
June 21, 2025
0
The First Photos from Vera Rubin are About to Drop

The telescope's journey started within the early 1600s when Dutch spectacle maker Jan Lippershey found that combining lenses may enlarge distant objects. Galileo Galilei shortly improved the designs...

Read more

This galaxy cluster has mysterious cosmic tendrils over 200,000 light-years lengthy (picture)

by Chato80
June 21, 2025
0
This galaxy cluster has mysterious cosmic tendrils over 200,000 light-years lengthy (picture)

Astronomers have obtained the deepest and highest decision picture of the galaxy cluster Abell 2255, observing the unexplained radio-emitting tendrils that path it in unprecedented element.Abell 2255 is...

Read more
Next Post
Spacewalkers Wrap Up X-Ray Telescope Restore Job and Extra – House Station

Spacewalkers Wrap Up X-Ray Telescope Restore Job and Extra – House Station

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

SpaceX set to launch Transporter 14 rideshare mission

SpaceX set to launch Transporter 14 rideshare mission

June 22, 2025
These Particular Galaxies Lit Up the Cosmic Midday

These Particular Galaxies Lit Up the Cosmic Midday

June 22, 2025
Supermassive Black Gap Has Extra Materials Than it Can Eat

Supermassive Black Gap Has Extra Materials Than it Can Eat

June 22, 2025
The House Tech You Thought Was Pretend Might Rewrite Historical past

The House Tech You Thought Was Pretend Might Rewrite Historical past

June 22, 2025
Hommkiety Galaxy Projector | House

Hommkiety Galaxy Projector | House

June 21, 2025
Cocoon at 40: Ron Howard’s sci-fi smash is proof they do not make them like they used to

Cocoon at 40: Ron Howard’s sci-fi smash is proof they do not make them like they used to

June 22, 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