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astro-ph2000
Absorption line systems on the line of sight from SN 1987A to SN 1993J and the intergalactic cloud in front of M81
Ole Marggraf, Klaas S. de Boer
We present an extended analysis of the high dispersion IUE spectra of SN 1993J in M81, based on the improved data in the IUE final archive. Eight interstellar absorption components…
astro-ph2000
ORFEUS II Echelle spectra: Molecular hydrogen at high velocities toward HD 93521
W. Gringel, J. Barnstedt, K. S. de Boer +3
Absorption lines of interstellar molecular hydrogen in the far ultraviolet (FUV) have been observed in the spectrum of the O9.5 halo star HD 93521, located some 1500 pc from the Ga…
astro-ph2000
The stars near the centre of supergiant shell LMC4: Further constraints on triggering scenarios
Jochen M. Braun, Klaas S. de Boer, Martin Altmann
The huge supergiant shell (SGS) LMC4, next to the giant HII region 30 Doradus the second most impressive feature of the Large Magellanic Cloud (LMC), has been the subject of many s…