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astro-ph2002★ 13 cited
Unconventional AGN in hard X-ray surveys
A. Comastri, M. Brusa, M. Mignoli +1
Extensive programs of follow-up observations of hard X-ray selected sources have unambiguosly revealed that the sources of the X-ray background are characterized by an extremely la…
astro-ph2002★ 14 cited
Understanding dwarf galaxies as galactic building blocks
M. Tosi
This is a summary of a general discussion held during the third EuroConference on galaxy evolution. Various observational features of the stellar populations in present--day dwarf…
astro-ph2000
Distance to the Large Magellanic Cloud: the RR Lyrae stars
G. Clementini, R. G. Gratton, A. Bragaglia +3
(abridged) New photometry and spectroscopy for more than a hundred RR Lyrae stars in two fields located close to the bar of the Large Magellanic Cloud (LMC) are used to derive new…