Optical/X-ray Observations of the Hard X-ray Source 4U1954+319

Details Optical/X-ray Observations of the Hard X-ray Source 4U1954+319 Optical/X-ray Observations of the Hard X-ray Source 4U1954+319

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.2506o&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #25.06; Bulletin of the American Astronomical Society, Vol. 32, p.1220

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on a 50 ksec observation of the hard X-ray source 4U1954+319 perfomed by BeppoSAX. The 0.2--100 keV spectrum is fit by a thermal bremsstrahlung or a power law modified by a high energy cutoff. A soft excess is present below 3 keV. We did not find evidence of pulsation during the observation. The analysis of spectro-photometric observations performed at the ING Telescopes in La Palma is also presented.

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