An X-ray image of Tycho's supernova remnant

Details An X-ray image of Tycho's supernova remnant An X-ray image of Tycho's supernova remnant

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...261..485r&link_type=abstract

Astrophysical Journal, Part 1, vol. 261, Oct. 15, 1982, p. 485-491.

Astronomy and Astrophysics

Astronomy

33

Heao 2, Nebulae, Supernova Remnants, X Ray Sources, Brightness Distribution, Mass Distribution, Radiant Flux Density, Radio Sources (Astronomy)

Scientific paper

An image of Tycho's SNR has been obtained using the imaging proportional counter aboard the Einstein Observatory, revealing a nearly circular, 8 arcmin, open shell of emission. The X-ray and radio shells are spatially coincident, although there is no correlation in intensity between the two wavelengths. Adopting a distance of 3 kpc, a 0.15-4.5 keV luminosity of 5 x 10 to the 36th ergs/sec is inferred. The mass of the X-ray emitting material is 7-15 solar masses if the SNR is in the adiabatic stage of its evolution. This is consistent with the interpretation that the SNR was the result of a Type I explosion and that the distance to Tycho's SNR is between 2.2 and 4.3 kpc.

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