Physics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999stin...9916853m&link_type=abstract
Technical Report, Eureka Scientific, Inc. Oakland, CA United States
Physics
Extreme Ultraviolet Explorer Satellite, Active Galactic Nuclei, X Ray Sources, Emission Spectra, Extreme Ultraviolet Radiation, Active Galaxies, Observation, Wavelengths, Variability, Telescopes, Point Spread Functions, Radiant Flux Density, Images, Light Curve
Scientific paper
The active galaxy associated with the hard X-ray source 1H0419-577 was observed with Extreme Ultraviolet Explorer Satellite (EUVE) for about 25 days to obtain a long, contiguous light curve and an Extreme Ultraviolet Radiation (EUV) spectrum. An EUV source was detected which was about as bright as the AGN and was later identified as an AM Her type system. The AGN showed variations as large as a factor of two over 5-10 day time scales and occasionally varied by 20-30% in less than 0.5day. The spectrum is dominated by a continuum that is poorly fit by a simple power law. There are possible emission lines without positive identifications but the lines are likely to be spurious.
Halpern Jules P.
Leighly Karen
Marshall Herman L.
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