Astronomy and Astrophysics – Astronomy
Scientific paper
May 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.195..485p&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 195, May 1981, p. 485-495.
Astronomy and Astrophysics
Astronomy
35
Astronomical Spectroscopy, Interstellar Gas, Supernova Remnants, Ultraviolet Astronomy, Gas Density, Iue, Line Spectra, Metals, Spaceborne Astronomy
Scientific paper
The star HD 36665 (Ble), which lies behind the old supernova remnant S147, has been observed with the IUE satellite. High-velocity interstellar absorption components of Fe II, Mg I, Mg II, Al II, C II and Si II were detected which originate in gas associated with the remnant. No such high-velocity lines were observed in the IUE spectrum of HD 40111 (Bl Ib) which is offset from the remnant. The high-velocity ultraviolet lines, together with new ground-based observations of high-velocity Ca II in HD 36665, have been analyzed to determine column densities and to estimate the physical conditions in the high-velocity gas. The estimated level of depletions in the high-velocity gas is somewhat less than that normally observed in low-velocity interstellar gas, suggesting that sputtering of grains has occurred in the shock front of the supernova remnant.
Blades Chris J.
Gondhalekar P. M.
Phillips Paul A.
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