X-ray properties of symbiotic stars. II. Systems with colliding winds.

60% of the known galactic symbiotic stars are sufficiently X-ray bright to be detected in pointed ROSAT PSPC observations. We present observations of 16 symbiotic stars. We encounter three classes of pulse height distibutions: α) supersoft emission from the atmosphere of the hot star, β) emission from an optically thin plasma with a temperature of a few 10^6^K, and γ) even harder emission, as from an accreting neutron star. In the present Paper we analyze the objects of type β in more detail. We find plasma temperatures ranging from 3x10^6^K to 15x10^6^K and luminosities from 2x10^-4^L_sun_ to 0.4L_sun_.