Simultaneous 6-station observations with the NPOI

Details Simultaneous 6-station observations with the NPOI Simultaneous 6-station observations with the NPOI

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4838..358b&link_type=abstract

Interferometry for Optical Astronomy II. Edited by Wesley A. Traub. Proceedings of the SPIE, Volume 4838, pp. 358-368 (2003).

Astronomy and Astrophysics

Astronomy

4

Scientific paper

In January of 2002, we began routine observations using the Navy Prototype Optical Interferometer with six siderostats operating simultaneously. We present recent images obtained with this 6-beam operations mode of the NPOI. We report on the implemented system enhancements that make this possible, such as the beam combiner, fringe detection electronics, fringe tracking algorithm and the control system. We discuss the present state of the NPOI data analysis, including amplitude and phase bias corrections, cross talk considerations, and calibration issues.

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