2 papers
astro-ph1997
The ROSAT Deep Survey II. Optical identification, photomettry and spectra of sources in the Lockman field
Maarten Schmidt, Guenther Hasinger, James Gunn +7
The ROSAT Deep Survey includes a complete sample of 50 X-ray sources with fluxes in the keV band larger than 5.5 erg cm s in the Lockman field (H…
astro-ph1996
A Large-Area Cross-Correlation Study of High Galactic Latutude Soft and Hard X-ray Skies
Takamitsu Miyaji, Guenther Hasinger, Roland Egger +2
We have made cross-correlation analyses of (2 -- 15 keV) HEAO A2 and 1 keV ROSAT PSPC All-Sky Survey maps over a selected area ( 4000 deg) with high galactic latitude (b>…