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Intermediate scale structure of the interstellar medium towards NGC 6231 in Sco OB1 with FUSE
O. Marggraf, H. Bluhm, K. S. de Boer
The FUSE far-ultraviolet interstellar spectra toward seven targets in NGC 6231 show that the molecules H_2, HD, and CO as well as various atomic species are distributed in several…
Interstellar H_2 in M 33 detected with FUSE
Hartmut Bluhm, Klaas S. de Boer, Ole Marggraf +2
FUSE spectra of the four brightest H II regions in M 33 show absorption by interstellar gas in the Galaxy and in M 33. On three lines of sight molecular hydrogen in M 33 is detecte…
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…
ORFEUS II echelle spectra: deuterium and molecular hydrogen in the ISM towards BD +39 3226
H. Bluhm, O. Marggraf, K. S. de Boer +2
In ORFEUS II spectra of the sdO star BD +39 3226 interstellar hydrogen and deuterium is detected. From Ly alpha profile fitting and a curve of growth analysis of the Lyman series o…