Showing 1996Show all
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astro-ph1996
The Wolf-Rayet counterpart of Cygnus X-3
M. H. van Kerkwijk, T. R. Geballe, D. L. King +2
We present orbital-phase resolved I and K-band spectroscopy of Cygnus X-3. All spectra show emission lines characteristic of Wolf-Rayet stars of the WN subclass. On time scales lon…
astro-ph1996
The chemical evolution of galaxies at high redshift
L. J. Smith, M. Pettini, D. L. King +1
Observations of absorption lines in the spectra of distant QSOs offer a new approach for tracking the evolution of normal galaxies from early epochs to the present day. The damped…