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astro-ph2000
Death of Stellar Baryonic Dark Matter Candidates
Katherine Freese, Brian Fields, David Graff
The nature of the dark matter in the Universe is one of the outstanding questions in astrophysics. In this talk, I address possible stellar baryonic contributions to the 50-90% of…
astro-ph2000
What are MACHOs? Interpreting LMC microlensing
David S. Graff
I discuss two hypotheses that might explain LMC microlensing: the Halo stellar remnant lensing hypothesis and the unvirialized LMC lensing hypothesis. I show that white dwarfs cann…
astro-ph2000
High Velocity Star Formation in the LMC
David S. Graff, Andrew P. Gould
Light-echo measurements show that SN1987A is 425 pc behind the LMC disk. It is continuing to move away from the disk at $18 \kms$. Thus, it has been suggested that SN1987A was ejec…