• 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

NASA says Mars rock pattern exhibits ‘potential biosignatures’ : NPR

‘Potential biosignatures’ present in historical Mars lake

Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae



Source link

Tags: BlueCollidingLurkerSiphoningStarStarsstellarSystem
Share30Tweet19

Recommended For You

NASA says Mars rock pattern exhibits ‘potential biosignatures’ : NPR

by Chato80
September 10, 2025
0
NASA says Mars rock pattern exhibits ‘potential biosignatures’ : NPR

NASA's Perseverance Mars rover captured this picture of a rocky space nicknamed "Cheyava Falls" on July 18, 2024, displaying black "poppy seed" and bigger "leopard spot" options. Researchers...

Read more

‘Potential biosignatures’ present in historical Mars lake

by Chato80
September 11, 2025
0
‘Potential biosignatures’ present in historical Mars lake

Jezero Crater on Mars the place tantalising 'biosignatures' have been discovered. Credit score: Imperial Faculty London A brand new examine suggests a liveable previous and indicators of historical...

Read more

Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

by Chato80
September 10, 2025
0
Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

Jupiter is well-known for the huge aurorae that happen close to the planet's polar areas, the brightest and strongest within the Photo voltaic System. Very similar to aurora...

Read more

Astronomers uncover repeating gamma-ray burst ‘in contrast to something we now have ever witnessed earlier than’ (video)

by Chato80
September 10, 2025
0
Astronomers uncover repeating gamma-ray burst ‘in contrast to something we now have ever witnessed earlier than’ (video)

Astronomers have noticed a cosmic explosion of high-energy gamma-rays in contrast to any ever seen earlier than. The gamma-ray burst (GRB) designated GRB 250702B set itself other than...

Read more

One extremophile eats Martian filth, survives in area and may create oxygen for colonies

by Chato80
September 9, 2025
0
One extremophile eats Martian filth, survives in area and may create oxygen for colonies

EXPOSE flight {hardware} on the surface of the ISS with dried Chroococcidiopsis uncovered. Credit score: Roscosmos/ESA Extremophiles are a favourite software of astrobiologists. However not solely are they...

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

NASA Unveils Potential Proof of Historic Martian Life in Peculiar Rock Patterns

NASA Unveils Potential Proof of Historic Martian Life in Peculiar Rock Patterns

September 10, 2025
NASA says Mars rock pattern exhibits ‘potential biosignatures’ : NPR

NASA says Mars rock pattern exhibits ‘potential biosignatures’ : NPR

September 10, 2025
SpaceX buys $17 billion price of satellite tv for pc spectrum to beef up Starlink broadband service

SpaceX buys $17 billion price of satellite tv for pc spectrum to beef up Starlink broadband service

September 11, 2025
UFOs-Disclosure: It is Occurring

UFOs-Disclosure: It is Occurring

September 10, 2025
‘Potential biosignatures’ present in historical Mars lake

‘Potential biosignatures’ present in historical Mars lake

September 11, 2025
The Murchison Widefield Array Simply Doubled In Measurement – What May It Discover Now?

The Murchison Widefield Array Simply Doubled In Measurement – What May It Discover Now?

September 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