Understanding AGN-host connection in partially obscured active galactic nuclei. Part III: Properties of ROSAT-selected SDSS AGNs
Understanding BL Lac objects Structural & kinematic mode changes in the BL Lac object PKS 0735+178
Understanding Giant Radio Galaxy J1420-0545: Large-Scale Morphology, Environment, and Energetics
Understanding Lyman-alpha emitters
Understanding micro-image configurations in quasar microlensing
Understanding Physical Conditions in High Redshift Galaxies through C I Fine Structure Lines: Data and Methodology
Understanding Polarized Foreground from Dust: Towards Reliable Measurements of CMB Polarization
Understanding strong molecular hydrogen emission in astronomical environments
Understanding the AGN-Host Connection in Broad Mgii Emission Selected AGN-Host Hybrid Qausars
Understanding the Astrophysics of Galaxy Evolution: the role of spectroscopic surveys in the next decade
Understanding the faint red galaxy population using large-scale clustering measurements from SDSS DR7
Understanding the light curves of the HST-1 knot in M87
Understanding the Observed Evolution of the Galaxy Luminosity Function from z=6-10 in the Context of Hierarchical Structure Formation
Understanding the redshift evolution of the luminosity functions of Lyman-alpha emitters
Understanding the shape of the galaxy two-point correlation function at z~1 in the COSMOS field
Unevenly-sampled signals: a general formalism of the Lomb-Scargle periodogram
Unexpected High Brightness Temperature 140 PC from the Core in the Jet of 3C 120
Unfolding the Hierarchy of Voids
Unfolding the matter distribution using 3-D weak gravitational lensing
Unification models with reheating via primordial black holes