1.9k citations · 11.8k across the 140 of their papers we have counts for
4 papers · 1 filter
Cosmology from Type Ia Supernovae
S. Perlmutter, G. Aldering, S. Deustua +25
This presentation reports on first evidence for a low-mass-density/positive-cosmological-constant universe that will expand forever, based on observations of a set of 40 high-redsh…
Multiwavelength Observations of GX 339-4 in 1996. III. Keck Spectroscopy
I. A. Smith, A. V. Filippenko, D. C. Leonard
As part of our multiwavelength campaign of observations of GX 339-4 in 1996 we present our Keck spectroscopy performed on May 12 UT. At this time, neither the ASM on the RXTE nor B…
Supermassive Black Holes and the Evolution of Galaxies
D. Richstone, E. A. Ajhar, R. Bender +11
Black holes, an extreme consequence of the mathematics of General Relativity, have long been suspected of being the prime movers of quasars, which emit more energy than any other o…
Steps Toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XV. Long-Term Optical Monitoring of NGC 5548
B. M. Peterson, A. J. Barth, P. Berlind +34
We present the results of three years of ground-based observations of the Seyfert 1 galaxy NGC 5548, which combined with previously reported data, yield optical continuum and broad…