Jay Holberg

Million Degree Plasmas in Extreme Ultraviolet (EUV) Astrophysics (2009)

Kowalski, Michael P., Barstow, Martin, Bruhweiler, Frederick, Cruddace, Raymond, Dupree, Andrea, Holberg, Jay, ...

Million degree plasmas are ubiquitous in the Universe, and examples include the atmospheres of white dwarfs; accretion phenomena in young stars, cataclysmic variables and active galactic nuclei; the...

Photospheric phosphorus in the FUSE spectra of GD71 and two similar DA white dwarfs (2005)

Dobbie, Paul, Barstow, Martin, Hubeny, Ivan, Holberg, Jay, Burleigh, Matt, Forbes, Anne

We report the detection, from FUSE data, of phosphorus in the atmospheres of GD71 and two similar DA white dwarfs. This is the first detection of a trace metal in the photosphere of the...

Resolving Sirius-like binaries with the Hubble Space Telescope (2000)

Burleigh, Matt, Barstow, Martin, Bond, Howard E., Holberg, Jay

We have imaged seventeen recently discovered Sirius-like binary systems with HST/WFPC2 and resolved the white dwarf secondary in eight cases. Most of the implied orbital periods are of order several...