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Old 10-10-2012, 02:39 PM
 
Location: Wasilla, Alaska
17,825 posts, read 20,496,555 times
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Quote:
Strange New Spiral Structure Discovered



Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a totally unexpected spiral structure in the material around the old star R Sculptoris. This is the first time that such a structure, along with an outer spherical shell, has been found around a red giant star. It is also the first time that astronomers could get full three-dimensional information about such a spiral. In the near future, observations of stars like R Sculptoris with ALMA will help us to understand how the elements we are made up of reached places like the Earth.

The strange shape was probably created by a hidden companion star orbiting the red giant.Because they blow out large amounts of material, red giants like R Sculptoris are major contributors to the dust and gas that provide the bulk of the raw materials for the formation of future generations of stars, planetary systems and subsequently for life.

Source: Strange New Spiral Structure Discovered
R Sculptoris (a.k.a., R Scl, HR 423, HD 8879, SAO 193122, CD -33 525, WDS 01270-3233), first discovered in 1955, is an old carbon rich star. It's Spectual Class is C6,5 where C6 refers to its size and temperature, which puts it between an M1 and M2 star, and the 5 refers to the strength of the Carbon-2 Swan bands in the spectrum.

As the article suggests, the spiral shape of the material being blown off of this star is most likely created by an orbiting hidden companion star. We have seen this before.

The Wolf-Rayet 104 star, discovered in 1998, and has a Spectral Class of WCv+. Which means that it is also a variable star with strong Carbon emission lines. WR-104 has an OB companion star that is causing the material being blown off of WR-104 to form a spiral pattern.


Wolf-Rayet 104
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Old 10-14-2012, 10:08 AM
 
Location: vagabond
2,631 posts, read 4,978,616 times
Reputation: 1307
pretty cool looking. haven't seen that before.
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Old 10-14-2012, 10:52 AM
 
Location: Sinking in the Great Salt Lake
13,146 posts, read 19,476,319 times
Reputation: 14022
The things that must be out there! We haven't even begun to scratch the surface!

What I wouldn't do to be able to go out there and see it all...
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Old 10-14-2012, 11:12 AM
 
Location: Brooklyn,NY
10,714 posts, read 13,439,005 times
Reputation: 16524
Quote:
Originally Posted by Chango View Post
The things that must be out there! We haven't even begun to scratch the surface!

What I wouldn't do to be able to go out there and see it all...
I agree. And while we are on the subject-What the heck are THESE??

Gigantic Motherships And Other Bizzare Anomalies Near Saturn : Aliens & UFOs
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