BMLU - Bulk Motion of filaments in the Local Universe

Details BMLU - Bulk Motion of filaments in the Local Universe BMLU - Bulk Motion of filaments in the Local Universe

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atnf.prop.1816c&link_type=abstract

ATNF proposal P660, Semester: October, 2008

Computer Science

Extragalactic, Parkes

Scientific paper

The peculiar velocities of galaxies are responding to the distribution of matter over a wide range of scales. A proper understanding of the forces at play requires the measurement of distances with the highest possible sampling density. A preliminary analysis [14] with 1,252 accurate distances demonstrates dramatically that a significant component of our motion reflected in the Cosmic Microwave Background dipole is a local effect generated by the expansion of our filament away from the center of the Local Void. Greater all-sky coverage and systematicly consistent measurements of both luminosities and linewidth of the domain of the Local Supercluster is needed to identify details of velocity patterns within filaments as galaxies flow toward clusters and away from voids.

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