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A photometric and spectroscopic study of dwarf and giant galaxies in the Coma cluster - V. Dependence of the spectroscopic properties on location in the cluster
D. Carter, B. Mobasher, T. J. Bridges +10
We investigate the radial dependence of the spectroscopic properties, in particular the Mg2, <Fe> and H beta spectroscopic indices, in a sample of galaxies spanning a wide range of…
A photometric and spectroscopic study of dwarf and giant galaxies in the Coma cluster - II. Spectroscopic observations
B. Mobasher, T. J. Bridges, D. Carter +10
This is the second paper in a series studying the photometric and spectroscopic properties of galaxies of different luminosities in the Coma cluster. The sample selection, spectros…
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…
Spectroscopy of Candidate Young Globular Clusters in NGC 1275
Stephen E. Zepf, Dave Carter, Ray M. Sharples +1
We present spectra of the brightest member of the population of compact blue objects discovered in the peculiar galaxy NGC 1275 by Holtzman et al. using Hubble Space Telescope imag…