tipa -- 9/19/2007

Clustering properties of ultrahigh energy cosmic rays and the search for their astrophysical sources

• Authors: Alessandro Cuoco, Steen Hannestad, Troels Haugboelle, Michael Kachelriess, Pasquale D. Serpico

Freshly Formed Dust in the Cassiopeia A Supernova Remnant as Revealed by the Spitzer Space Telescope

• Authors: J. Rho, T. Kozasa, W. T. Reach, L. Rudnick, T. DeLaney, J. D. Smith, J. A. Ennis, H. Gomez, A. Tappe

The Orbital Period of the Wolf-Rayet Binary IC 10 X-1; Dynamic Evidence that the Compact Object is a Black Hole

• Authors: A. H. Prestwich, R. Kilgard, P. A. Crowther, S. Carpano, A. M. T. Pollock, A. Zezas, S. H. Saar, T. P. Roberts, M. J. Ward