Showing astro-phShow all
3 papers · 1 filter
astro-ph2002
CLASS B0445+123: a new two-image gravitational lens system
M. K. Argo, N. J. Jackson, I. W. A. Browne +16
A new two-image gravitational lens system has been discovered as a result of the Cosmic Lens All-Sky Survey (CLASS). Radio observations with the VLA, MERLIN and the VLBA at increas…
astro-ph1999
OB Associations
Anthony G. A. Brown, A. Blaauw, R. Hoogerwerf +2
Since the previous (1990) edition of this meeting enormous progress in the field of OB associations has been made. Data from X-ray satellites have greatly advanced the study of the…
astro-ph1998
The Large-Scale Distribution and Motions of Older Stars in Orion
Anthony G. A. Brown, Fredrick M. Walter, Adriaan Blaauw
We review the current knowledge of the population of `older' stars in the Orion OB1 association, specifically those in subgroups 1a and 1b. We briefly outline the history of the su…