The Softest X-ray Sources in the ROSAT Pointed Catalog:

WGACAT

• An ultra-soft X-ray source (RX~215319-1514) and discovery of a narrow line Seyfert 1 galaxy

New Magnetic Cataclysmic Variables, a Supersoft source in NGC 55 galaxy, and many other discoveries.

P. Barret, NASA/GSFC-HEASARC

Nick White, NASA/Goddard Space Flight Center-HEASARC

Paolo Giommi , SAX Science Data Center-ASI

Lorella Angelini , NASA/Goddard Space Flight Center-HEASARC