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Gravity and the Nonlinear Growth of Structure in the Carnegie-Spitzer-IMACS Redshift Survey
Daniel D. Kelson, Louis E. Abramson, Andrew J. Benson +6
A key obstacle to developing a satisfying theory of galaxy evolution is the difficulty in extending analytic descriptions of early structure formation into full nonlinearity, the r…
The Carnegie-Spitzer-IMACS Redshift Survey of Galaxy Evolution since z=1.5: I. Description and Methodology and More!
Daniel D. Kelson, Rik J. Williams, Alan Dressler +6
We describe the Carnegie-Spitzer-IMACS (CSI) Survey, a wide-field, near-IR selected spectrophotometric redshift survey with IMACS on Magellan-Baade. CSI uses a flux-limited sample…
A direct measurement of hierarchical growth in galaxy groups since z~1
Rik J. Williams, Daniel D. Kelson, John S. Mulchaey +3
We present the first measurement of the evolution of the galaxy group stellar mass function (GrSMF) to redshift z>~1 and low masses (M*>10^12 Msun). Our results are based on early…
The Carnegie-Spitzer-IMACS Redshift Survey of Galaxy Evolution since z=1.5: I. Description and Methodology
Daniel D. Kelson, Rik J. Williams, Alan Dressler +6
We describe the Carnegie-Spitzer-IMACS (CSI) Survey, a wide-field, near-IR selected spectrophotometric redshift survey with the Inamori Magellan Areal Camera and Spectrograph (IMAC…
Kinematics of Gas in Lyman Alpha Nebulae
Yujin Yang, Ann Zabludoff, Knud Jahnke +4
Exploring the origin of Ly-alpha nebulae (blobs) requires measurements of their gas kinematics that are impossible with only the resonant, optically-thick LyA line. To define gas m…
What Determines the Incidence and Extent of MgII Absorbing Gas Around Galaxies?
Hsiao-Wen Chen, Vivienne Wild, Jeremy L. Tinker +4
We study the connections between on-going star formation, galaxy mass, and extended halo gas, in order to distinguish between starburst-driven outflows and infalling clouds that pr…