The Baryon Content of Cosmic Structures

Details The Baryon Content of Cosmic Structures The Baryon Content of Cosmic Structures

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21532505m&link_type=abstract

American Astronomical Society, AAS Meeting #215, #325.05; Bulletin of the American Astronomical Society, Vol. 42, p.422

Astronomy and Astrophysics

Astronomy

Scientific paper

Cosmic parameters are now known with great precision, including the cosmic baryon fraction. We make an inventory of the baryonic and total mass in structures ranging from the smallest galaxies to rich clusters of galaxies. We find that the fraction of detected baryons deviates systematically from the cosmic baryon fraction as a function of mass. On the largest scales of clusters, most but not all of the expected baryons are detected, while in the smallest dwarf galaxies, fewer than 1% are detected. Clearly it would be good to discover where these missing baryons reside, and to understand the systematic variation with mass.
SSM gratefully acknowledges support from NSF grant AST0908370.

Affiliated with

Also associated with

No associations

Rating

The Baryon Content of Cosmic Structures does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Baryon Content of Cosmic Structures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Baryon Content of Cosmic Structures will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-961928