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Resolving Sirius-like binaries with the Hubble Space Telescope
M. A. Barstow, Howard E. Bond, M. R. Burleigh +1
We present initial results from a Hubble Space Telescope ultraviolet imaging survey of stars known to have hot white-dwarf companions which are unresolved from the ground. The hot…
Resolving Sirius-like binaries with the Hubble Space Telescope
Matt Burleigh, Martin Barstow, Howard E. Bond +1
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 ar…
CCD Photometry of the Globlular Cluster NGC 5986 and its Post-Asymptotic-Giant-Branch and RR Lyrae Stars
D. R. Alves, H. E. Bond, C. Onken
We have obtained new CCD BV photometry of the little-studied southern Galactic globular cluster NGC 5986, including light curves of 5 of its RR Lyrae variables. The cluster's red g…