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Measurements of the Cosmological Parameters Omega and Lambda from the First 7 Supernovae at z >= 0.35
S. Perlmutter, S. Gabi, G. Goldhaber +21
We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on…
Low-Luminosity Seyfert Nuclei
Luis C. Ho, Alexei V. Filippenko, Wallace L. W. Sargent
We describe a new sample of Seyfert nuclei discovered during the course of an optical spectroscopic survey of nearby galaxies. The majority of the objects, many recognized for the…
High-Dispersion Spectroscopy of Luminous, Young Star Clusters: Evidence for Present-Day Formation of Globular Clusters
Luis C. Ho, Alexei V. Filippenko
We present evidence that some of the compact, luminous, young star clusters recently discovered through images taken with the Hubble Space Telescope (HST) have masses comparable to…
Dynamical Evidence for a Luminous, Young Globular Cluster in NGC 1569
Luis C. Ho, Alexei V. Filippenko
Recent high-resolution observations with the Hubble Space Telescope (HST) reveal that star clusters of extraordinary luminosity and compactness are commonly found in a variety of s…
An Atlas of Hubble Space Telescope Ultraviolet Images of Nearby Galaxies
Dan Maoz, Alexei V. Filippenko, Luis C. Ho +3
We present an atlas of UV ( Å) images, obtained with the Hubble Space Telescope (HST) Faint Object Camera, of the central of 110 galaxies. The observed…
Multiwavelength observations of short time-scale variability in NGC 4151. IV. Analysis of multiwavelength continuum variability
R. A. Edelson et al
This paper combines data from the three preceding papers in order to analyze the multi-waveband variability and spectral energy distribution of the Seyfert~1 galaxy NGC~4151 during…