Speckle Interferometry at the US Naval Observatory. IV.

Details Speckle Interferometry at the US Naval Observatory. IV. Speckle Interferometry at the US Naval Observatory. IV.

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aj....118.1395d&link_type=abstract

The Astronomical Journal, Volume 118, Issue 3, pp. 1395-1405.

Astronomy and Astrophysics

Astronomy

9

Stars: Binaries: General, Stars: Binaries: Visual, Techniques: Interferometric

Scientific paper

The results of 1314 speckle interferometric observations of 625 binary stars, ranging in separation from 0.2" to 5.2" with a limiting secondary magnitude of V=11, are tabulated. These observations were obtained using the 66 cm refractor at the US Naval Observatory in Washington, DC, with an intensified CCD detector. This is the fourth in a series of papers presenting measures obtained with this equipment and covers the period 1997 January 1 through December 31. Random errors for all measures are estimated to be 18 mas in separation and 0.57d/rho in position angle, where rho is the separation in arcseconds.

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