2 papers
astro-ph1997
Photometry and Spectroscopy of Coma Dwarf Ellipticals
Jeff Secker, William E. Harris, Pat Cote +1
We have used deep R- and B-band CCD images (with ~1.2 arcsec seeing) of the central ~700 arcmin^2 of the Coma cluster core (and an associated ~270 arcmin^2 control field) to study…
astro-ph1996
Astrophysical and Biological Constraints on Radiopanspermia
Jeff Secker, Paul S. Wesson, James R. Lepock
We have carried out a series of calculations involving bacteria and viruses embedded in dust grains, which are ejected from our solar system by radiation pressure, and travel throu…