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The chemical evolution of elliptical galaxies with stellar and QSO dust production
A. Pipino, X. L. Fan, F. Matteucci +4
The presence of dust strongly affects the way we see galaxies and also the chemical abundances we measure in gas. It is therefore important to study he chemical evolution of galaxi…
Unusual PAH Emission in Nearby Early-Type Galaxies: A Signature of an Intermediate Age Stellar Population?
O. Vega, A. Bressan, P. Panuzzo +6
We present the analysis of Spitzer-IRS spectra of four early-type galaxies, NGC 1297, NGC 5044, NGC 6868, and NGC 7079, all classified as LINERs in the optical bands. Their IRS spe…
A decline and fall in the future of Italian Astronomy?
Angelo Antonelli, Vincenzo Antonuccio-Delogu, Andrea Baruffolo +89
On May 27th 2010, the Italian astronomical community learned with concern that the National Institute for Astrophysics (INAF) was going to be suppressed, and that its employees wer…
The dust content of high-z submillimeter galaxies revealed by Herschel
P. Santini, R. Maiolino, B. Magnelli +38
We use deep observations taken with the Photodetector Array Camera and Spectrometer (PACS), on board the Herschel satellite as part of the PACS evolutionary probe (PEP) guaranteed…
Modelling the spectral energy distribution of galaxies: introducing the artificial neural network
L. Silva, A. Schurer, G. L. Granato +7
The spectral energy distribution of galaxies is a complex function of the star formation history and geometrical arrangement of stars and gas in galaxies. The computation of the ra…