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On the importance of using appropriate spectral models to derive physical properties of galaxies at 0.7<z<2.8
Camilla Pacifici, Elisabete da Cunha, Stéphane Charlot +14
Interpreting observations of distant galaxies in terms of constraints on physical parameters - such as stellar mass, star-formation rate (SFR) and dust optical depth - requires spe…
Sussing Merger Trees : The Impact of Halo Merger Trees on Galaxy Properties in a Semi-Analytic Model
Jaehyun Lee, Sukyoung K. Yi, Pascal J. Elahi +13
A halo merger tree forms the essential backbone of a semi-analytic model for galaxy formation and evolution. Recent studies have pointed out that extracting merger trees from numer…
Early-type galaxies at intermediate redshift observed with HST WFC3: perspectives on recent star-formation
M. Rutkowski, H. Jeong, S. H. Cohen +7
We present an analysis of the stellar populations of 102 visually-selected early-type galaxies (ETGs) with spectroscopic redshifts (0.3<z<1.5) from observations in the Early Releas…
Effects of large-scale environment on the assembly history of central galaxies
Intae Jung, Jaehyun Lee, Sukyoung K. Yi
We examine whether large-scale environment affects the mass assembly history of their central galaxies. To facilitate this, we constructed dark matter halo merger trees from a cosm…
On the lifetime of merger features of equal-mass disk mergers
Inchan Ji, Sebastien Peirani, Sukyoung K. Yi
Detecting post-merger features of merger remnants is highly dependent on the depth of observation images. However, it has been poorly discussed how long the post-merger features ar…
The Green Valley is a Red Herring: Galaxy Zoo reveals two evolutionary pathways towards quenching of star formation in early- and late-type galaxies
Kevin Schawinski, C. Megan Urry, Brooke D. Simmons +13
We use SDSS+\textit{GALEX}+Galaxy Zoo data to study the quenching of star formation in low-redshift galaxies. We show that the green valley between the blue cloud of star-forming g…