Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...104..150d&link_type=abstract
Astronomy and Astrophysics, vol. 104, no. 1, Dec. 1981, p. 150-154.
Astronomy and Astrophysics
Astrophysics
7
Binary Stars, Hot Stars, Iue, Stellar Spectra, Ultraviolet Spectroscopy, X Ray Sources, Absorption Spectra, Interstellar Radiation, Spectrograms, Stellar Mass Ejection
Scientific paper
Two high resolution spectrograms in the range of 1150-2050 A were obtained by the IUE satellite, and from the spectrograms line lists of the stellar and interstellar absorption were compiled. The most important ions were found to be He (+); one, two and three times ionized C and Si; two and three times ionized O, three times ionized Mn; and two, three and four times ionized N. Eight interstellar molecular bands of (C-12)(O-16) of the fourth positive system were found, although the (C-13(O-16) bands were not detected. Due to uncertainties and the observed ionization fractions in other early-type stars, it is concluded that the mass loss rate of HD 102567 is between 10 to the -9th and 10 to the -10th solar mass/yr, with a most probable value of 3 x 10 to the -10th solar mass/yr.
Burger Marc
de Loore Camiel
Hensberge Herman
van Dessel Edwin L.
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