View Full Version : Newly Discovered Star Could Be the Third Closest

2005-Oct-12, 07:27 PM
SUMMARY: NASA astronomers have discovered what they believe could be the third closest star to our own Sun. The star, now called SO25300.5+165258, is a faint red star estimated to be about 7.8 light years away in the constellation of Aries. This is just beyond Alpha Centauri (which is actually a group of three stars) and Bernardís Star. This new star hasnít been discovered until now because it only has 7% of the mass of our own Sun, and is 300,000 times fainter.

View full article (http://www.universetoday.com/am/publish/third_closest_star.html)
What do you think about this story? post your comments below.

2005-Oct-12, 08:57 PM
Hmm. I wonder what else is out there.

2005-Oct-12, 10:13 PM
This is an old story (May 2003). I believe that there have been 2 more (at least one more) that are even closer than this, discovered since this story was first out.

The Supreme Canuck
2005-Oct-12, 10:18 PM
Hmm. I wonder what else is out there.

That was my first thought, too.

grant hutchison
2005-Oct-12, 10:21 PM
Also now known as "Teegarden's Star". The original parallax was erroneous: later measurements place it about 12.5 ly away. See, for instance the RECONS list of nearby stars (http://joy.chara.gsu.edu/RECONS/TOP100.htm), where it's ranking 23rd closest.

Grant Hutchison

2005-Oct-12, 10:37 PM
I wonder how many "things" are closer than Alpha Centauri? With stars, medium stars outnumber large stars, and small stars outnumber medium stars. Does this trend continue down the scale to brown dwarfs? Are brown dwarfs more numerous than stars? If so, it would suggest that there are probably brown dwarf systems closer than Alpha Centauri.