ROSAT X-ray observations of the supernova remnant HB 9.

Details ROSAT X-ray observations of the supernova remnant HB 9. ROSAT X-ray observations of the supernova remnant HB 9.

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...293..853l&link_type=abstract

Astronomy and Astrophysics 293, 853-858 (1995)

Astronomy and Astrophysics

Astrophysics

18

Shock Waves, Ism: Supernova Remnants, Individual: Hb 9, X-Rays: Interstellar

Scientific paper

HB 9 was observed by the position sensitive proportional counter (PSPC) detector at the focal plane of the X-ray telescope (XRT) of the Roentgen Satellit (ROSAT). The data consist of scanning observations taken during the survey phase of the ROSAT mission. HB 9 is a large evolved supernova remnant of 2deg angular diameter. The ROSAT soft X-ray image of the supernova remnant HB 9 is presented here. It has an angular resolution of 1', and shows that HB 9 is of centrally brightened form, in contrast to the radio image which shows a shell-type supernova remnant with prominent filamentary structure. Results of PSPC spectral analysis are also presented. HB 9 shows no strong spatial temperature variations. An interpretation of the X-ray observations is presented in terms of the White & Long (1991) solution for a blast wave propagating in an inhomogeneous interstellar medium.

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