no code implementations • 23 May 2017 • Ehsan Kourkchi, R. Brent Tully
A study of the group properties of galaxies in our immediate neighborhood provides a singular opportunity to observationally constrain the halo mass function, a fundamental characterization of galaxy formation.
Astrophysics of Galaxies
no code implementations • 5 May 2016 • R. Brent Tully, Helene M. Courtois, Jenny G. Sorce
The Cosmicflows database of galaxy distances that in the 2nd edition contained 8, 188 entries is now expanded to 17, 669 entries.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
no code implementations • 11 Mar 2015 • R. Brent Tully
A galaxy group catalog is built from the sample of the 2MASS Redshift Survey almost complete to Ks=11. 75 over 91% of the sky.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
no code implementations • 1 Jun 2013 • Helene M. Courtois, Daniel Pomarede, R. Brent Tully, Yehuda Hoffman, Denis Courtois
The large scale structure of the universe is a complex web of clusters, filaments, and voids.
Cosmology and Nongalactic Astrophysics
