50 citations · 124 across the 5 of their papers we have counts for
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astro-ph2006★ 4 cited
Discovery of a cluster of galaxies behind the Milky Way: X-ray and optical observations
R. Lopes de Oliveira, G. B. Lima Neto, C. Mendes de Oliveira +2
We report the discovery of Cl 2334+48, a rich cluster of galaxies in the Zone of Avoidance, identified in public images from the XMM-Newton archive. We present the main properties…
astro-ph2006★ 49 cited
New Gamma Cas-like objects: X-ray and optical observations of SAO49725 and HD161103
Raimundo Lopes de Oliveira, Christian Motch, Frank Haberl +2
A growing number of early Be stars exhibit unusually hard X-ray spectra and luminosities intermediate between those typical of early type stars and those emitted by most Be/X-ray b…