Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.281a.121f&link_type=abstract
In ESA, A Decade of UV Astronomy with the IUE Satellite, Volume 1 p 121-124 (SEE N89-10682 01-89)
Astronomy and Astrophysics
Astronomy
2
Ejecta, Interstellar Matter, Iue, Spaceborne Astronomy, Supernova Remnants, Ultraviolet Astronomy, B Stars, Interstellar Space, O Stars, Supernovae
Scientific paper
The 1988 IUE SWP observations of a faint sdOB star situated behind the remnant of the supernova of AD 1006 are presented. These spectra along with IUE spectra of the star taken between 1982 and 1986 provide a detailed look at the elemental composition and dynamical properties of the SN 1006 remnant. Over the 6 years there were no significant changes in the absorption features associated with the remnant at 1281, 1330, or 1420 A. While the lack of variability in these absorption lines makes it impossible to decide whether the ejecta is distributed smoothly or in knots, it is clear that the 1281 A feature is a blend, requiring either S II absorption redshifted at 6000 km/sec plus Si II 1260 at 5200 km/sec, or else 2 individual Si absorbing regions.
Fesen Robert A.
Hamilton Andrew J. S.
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