2. Max-Planck-Institut fuer extr. Physik, Garching, Germany Physics Dept, Univ. of Oxford, UK

3. IRAS

4. Borne et al. 1998 Rigopoulou, Rieke et al.

5. z z Hubble: c z = D x H o H o = 60 km /sec/ Mpc

6. ISO

8. Scoville et al. 2000 (HST NICMOS)

9. HST/WFPC visible Arp 220 5 2 (740 pc) HST NICMOS near-infrared Shaya et al. 1994, Rigopoulou et al. 1998, 1999

10. Seyfert

11. Arp 220 NICMOS image SWS spectra Sanders et al.88 Goldader et al. 97 HST NICMOS Scoville et al. 1998, Ap.J. 492, L107 Genzel et al. 98

12. *-burst AGN ULIRG PAH

14. ISO DIAGNOSTIC DIAGRAM

15. The PAH L/C--IR luminosity relationship Rigopoulou et al., 2001

17. Projections Giant Boxy Ellipticals L*, Disky Ellipticals + Pahre Es ULIRGs

19. Hubble Deep Field South – ISOCAM Galaxies 1.47 1.48 1.49 1.50 1.51 1.52 Wavelength (microns) S39 zspec=1.3 H S 53 zspec=0.58 H [NII] 1.02 1.03 1.04 1.05 1.06 1.07 Wavelength (microns)

20. ISOHDFS 27, z=0.6 Sa galaxy M=1.0 x 10 12 M within 18 kpc Rigopoulou et al., 2002 Slit 0.6, R= 5000

21. km/sec u = 450 km/sec i = 48 o M = G u 2 Rsini x

22. ISOHDFS 25, z=0.6 M= 2 x 10 11 M within 24 kpc

23. ISOHDFS 55, z=0.8 M = 2.2 x 10 11 M within 12 kpc

24. Sa, Sb: from Rubin et al. 1985, UGC 12591: Rafanelli et al. 1997 V rot (km/s) M (M ) ISOHDFS 27 ISOHDFS 55 ISOHDFS 25 100 1000