Taking the Measure of the Universe : precision astrometry with SIM PlanetQuest (2008)
Unwin, Stephen C., Shao, Michael, Tanner, Angelle M., Allen, Ronald J., Beichman, Charles A., Boboltz, David, ...
Precision astrometry at microarcsecond accuracy has application to a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed using an instrument...
Taking the Measure of the Universe: Precision Astrometry with SIM PlanetQuest (2007)
Unwin, Stephen C., Shao, Michael, Tanner, Angelle M., Allen, Ronald J., Beichman, Charles A., Boboltz, David, ...
Precision astrometry at microarcsecond accuracy has application to a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed using an instrument...
Astrophysics of Reference Frame Tie Objects (1998)
Johnston, Kenneth J., Boboltz, David, Fey, Alan L., Gaume, Ralph A., Zacharias, Norbert
The Astrophysics of Reference Frame Tie Objects Key Science program will investigate the underlying physics of SIM grid objects. Extragalactic objects in the SIM grid will be used to tie the SIM...