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astro-ph2001
The confusion limit on astrometry with SIM
Jayadev Rajagopal, Torsten Boeker, Ronald J. Allen
An important requirement for the Space Interferometry Mission (SIM) is to carry out precision astrometry in crowded fields. This capability is crucial, for example, to accurately m…
astro-ph2001
HST Observations of the Nuclear Regions of the Toomre Sequence of Merging Galaxies
S. Laine, R. P. van der Marel, T. Boeker +3
We present first results from an HST WFPC2 imaging and STIS spectroscopy program to investigate the structural and star forming properties in the nuclear regions of the Toomre Sequ…