Ginga and ROSAT observations of AO Psc and V1223 Sgr.

Details Ginga and ROSAT observations of AO Psc and V1223 Sgr. Ginga and ROSAT observations of AO Psc and V1223 Sgr.

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rftu.proc..197t&link_type=abstract

International Conference on X-ray Astronomy and Astrophysics: Röntgenstrahlung from the Universe, p. 197 - 198

Astronomy and Astrophysics

Astrophysics

Polars: X-Ray Light Curves

Scientific paper

The authors present results from observations of the intermediate polars, AO Psc and V1223 Sgr. There are four observations in total, two of each source, one by the ROSAT HRI in the energy band ≡0.5-2.0 keV, and one by the Ginga LAC, in the energy range ≡2-20 keV. Both sources show sinusoidal modulation at the white dwarf spin period in all energy bands. The observations of AO Psc show a modulation at the orbital period, with a dip at orbital phase ≡0.5-0.8, whereas those of V1223 Sgr show little modulation at its orbital period. There are however short dips at around orbital phase 0.8, though these are intermittent and vary slightly in duration, and orbital phase at commencement.

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