530 citations · 1.8k across the 16 of their papers we have counts for
Showing 1996 · astro-phShow all
2 papers · 2 filters
astro-ph1996★ 35 cited
X-ray QSO evolution from a very deep ROSAT survey
L. R. Jones, I. M. McHardy, M. R. Merrifield +8
In the deepest optically identified X-ray survey yet performed, we have identified 32 X-ray selected QSOs to a flux limit of 2x10^{-15} erg cm^{-2} s^{-1} (0.5-2 keV). The survey,…
astro-ph1996★ 530 cited
Galaxy morphology to I=25 mag in the Hubble Deep Field
R. G. Abraham, N. R. Tanvir, B. X. Santiago +3
The morphological properties of galaxies between in the {\em Hubble Deep Field} are investigated using a quantitative classification system based…