Monthly report for June 2002 by Christian A. Hummel:

Hummel completed a preliminary calibration of all significant data
on Eta Virginis, as well as some archival data taken with the
3-way system. He was able to determine a preliminary orbit of the close
pair in this triple system.

Hummel attended the Michelson Summer School on Interferometry
at the CfA in Cambridge, MA, June 24 to 28. He gave a presentation
on NPOI 6-way data reduction and organized a lab session using
the OYSTER software.