Extreme Ultraviolet Emission from Normal Galaxies

Details Extreme Ultraviolet Emission from Normal Galaxies Extreme Ultraviolet Emission from Normal Galaxies

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.276.1327r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 276, NO. 4/OCT15, P.1327, 1995

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Scientific paper

Using data from the ROSAT Wide Field Camera all-sky survey, we have established upper limits to the extreme-ultraviolet (EUV) flux from a sample of 30 bright, nearby, non-active spiral galaxies. These galaxies were chosen to be those most likely to be detected in the EUV on the basis of (i) low interstellar absorption within our own Galaxy, (ii) brightness in other wavebands, (iii) high star formation activity, and (iv) proximity. The derived EUV upper limits are restrictive, and establish that the EUV flux escaping from galaxies does not contribute a major component of their bolometric luminosity, and in particular that it is very unlikely to be the sink for the energy injected into the interstellar medium by supernova explosions, as had been suggested following the failure to detect this power in the X-ray band.

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