... Astronomy and Astrophysics . ISSN: 1432-0746 . Infrared spectral energy distributions of the interacting galaxies Arp 244, NGC 6240, and Arp220 . ...
... Article in (gzipped) PS format . ISO-SWS spectroscopy of Arp220: a highly obscured starburst galaxy . Sturm E., Lutz D., Genzel R. et al. Astron. ...
... Concentration of quasars around the active extragalactic object 3C 345 . Halton Arp . Astron. Astrophys. ... Abstract . Article in HTML | PDF (135 KB) | (gzipped) PostScript (220 KB) . Evidence for a dusty warm absorber in NGC 3227? ...