'Wr star' presentation slideshows

Pulsations in Wolf-Rayet stars :

359 views • 24 slides

Neutrinos produced by heavy nuclei injected by the pulsars in massive binaries

277 views • 19 slides

The Upper Main Sequence

The Upper Main Sequence. O stars OBN and OBC stars Wolf-Rayet stars. Meredith Danowski Astronomy 411 Feb. 14, 2007. Oh! O-stars. Massive, bright, hot, bluest, shortest lifetime (3-6 Myr) Rarest main sequence stars (1 in 32,000) 30,000-60,000K 20-100 Msun ~15 Rsun. Zeta-Puppis.

374 views • 17 slides

Low metallicity and UltraLuminous X-ray Sources

Low metallicity and UltraLuminous X-ray Sources. Luca Zampieri INAF-Astronomical Observatory of Padova M. Mapelli ( Universita` di Milano Bicocca ) E. Ripamonti ( Universita` di Milano Bicocca ) S. Bressan ( INAF-Astronomical Observatory of Padova )

298 views • 17 slides

267 views • 15 slides