Is the remnant of SN1006 composed of iron

Details Is the remnant of SN1006 composed of iron Is the remnant of SN1006 composed of iron

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.295..508f&link_type=abstract

Nature, vol. 295, Feb. 11, 1982, p. 508, 509. Research supported by the Radcliffe Trust.

Astronomy and Astrophysics

Astronomy

15

Interstellar Gas, Iron, Supernova Remnants, X Ray Astronomy, Abundance, Cobalt Isotopes, Nickel Isotopes, Shock Heating, Thermal Radiation

Scientific paper

A thermal interpretation of the emissions from the supernova remnant SN1006 is presented. SN1006 is suggested to have been a Type I supernova exploding into its own stellar wind, and the distributions and physical states of the grains and gas are considered. It is noted that the original size of the interior region has been estimated at 6 solar masses, and the ejection of 1 solar mass of Fe-56 to a distance of 1 kpc could account for the observed emissions, which peak below 0.25 keV. Predictions are provided for energy ranges of coronal line emission which would substantiate the Fe-56 hypothesis, and for the observation of an iron composition in the SN1006 interior as a support for the (Ni-56)-(Co-56)-(Fe-56) radioactive interpretation of Type I light curves. Finally, the cup shape of the remnant is suggested to be due to the exploding star having been a member of a close binary system.

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