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most citedDark-Matter Content of Early-Type Galaxies with Planetary Nebulae

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astro-ph2004

TIMMI2 and VLT-ISAAC Spectroscopy of Circumstellar Dust Disks - A Spatially Resolved 3.3 micron PAH Feature Around HD 100546

V. C. Geers, J. -C. Augereau, K. M. Pontoppidan +4

We present preliminary results of spectroscopic data obtained with the La Silla 3.6m TIMMI2 and the VLT-ISAAC instruments. We have obtained 23 TIMMI2 N-band and 18 Q-band spectra f…