169 citations · 1.3k across the 29 of their papers we have counts for
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astro-ph2007★ 3 cited
The reddest ISO-2MASS quasar
C. Leipski, M. Haas, R. Siebenmorgen +9
In the course of the NIR/MIR AGN search combining the 6.7 mu ISOCAM Parallel Survey and 2MASS we have discovered 24 type-1 quasars about a third of which are too red to be discrimi…
astro-ph2007★ 11 cited
Narrow-line AGN in the ISO-2MASS Survey
C. Leipski, M. Haas, H. Meusinger +9
Context: A long-standing challenge of observational AGN research is to find type 2 quasars, the luminous analogues of Seyfert-2 galaxies. Aims: We search for luminous narrow-line t…