X-ray and Optical Study of Low Core Density Globular Clusters NGC6144 and E3 (2009)
Lan, Shih Hao, Kong, Albert K. H., Verbunt, Frank, Lewin, Walter H. G., Bassa, Cees, Anderson, Scott F., ...
We report on the Chandra X-ray Observatory and Hubble Space Telescope observation of two low core density globular clusters, NGC6144 and E3. By comparing the number of X-ray sources inside the...
X-ray Sources and Their Optical Counterparts in the Galactic Globular Cluster M12 (NGC 6218) (2009)
Lu, Ting-Ni, Kong, Albert K. H., Bassa, Cees, Verbunt, Frank, Lewin, Walter H. G., Anderson, Scott F., ...
We study a Chandra X-ray Observatory ACIS-S observation of the Galactic globular clusterM12. With a 26 ks exposure time, we detect 6 X-ray sources inside the half-mass radius (2.16 arcminutes) of...
When teaching: Out with magnitudes, in with monochromatic luminosities! (2008)
The goal of this document is to illustrate that teaching the concepts of magnitudes is a needless complication in introductory astronomy courses, and that use of monochromatic luminosities, rather...
The X-ray source in non-magnetic cataclysmic variables Andr e van Teeseling (2007)
Klaus Beuermann, Frank Verbunt
A&A manuscript no. (will be inserted by hand later) Your thesaurus codes are:
Observational evidence for the origin of X-ray sources in globular clusters (2007)
Verbunt, Frank, Pooley, Dave, Bassa, Cees
Low-mass X-ray binaries, recycled pulsars, cataclysmic variables and magnetically active binaries are observed as X-ray sources in globular clusters. We discuss the classification of these systems,...