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astro-ph1999
Spectral analysis of the multi mode pulsating subluminous B star PG1605+072
U. Heber, I. N. Reid, K. Werner
PG 1605+072 has unique pulsational properties amongst the members of the new class of pulsating sdB (EC 14026) stars. It has the longest periods and the richest, most puzzling freq…
astro-ph1999
The EUV spectrum of the unique bare stellar core H1504+65
K. Werner, B. Wolff
We performed a spectral analysis of the EUVE spectrum and ROSAT data of the unique object H1504+65, which is an extremely hot post-AGB star entering the white dwarf cooling sequenc…
astro-ph1998
ORFEUS II echelle spectra: The scale height of interstellar O VI in the halo
H. Widmann, K. S. de Boer, P. Richter +8
FUV high resolution spectra of 18 stars, particularly chosen to observe the interstellar medium (ISM), were obtained during the second ORFEUS-SPAS free flight space shuttle mission…