Speckle Interferometry at the US Naval Observatory. XIII.

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

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aj....134.1671m&link_type=abstract

The Astronomical Journal, Volume 134, Issue 4, pp. 1671-1678 (2007).

Astronomy and Astrophysics

Astronomy

10

Binaries: General, Binaries: Visual, Techniques: Interferometric

Scientific paper

The results of 1424 speckle interferometric observations of double stars, made with the 26 inch (66 cm) refractor of the US Naval Observatory, are presented. Each speckle interferometric observation of a system represents a combination of over 2000 short-exposure images. These observations are averaged into 1053 mean relative positions and range in separation from 0.36″ to 61.92″, with a median separation of 10.31″. This is the 13th in a series of papers presenting measurements obtained with this system and covers the period 2006 January 12-December 29. Included in these data are nine older measurements whose positions were previously deemed possibly aberrant but are no longer classified this way following a confirming observation. This paper also includes the first data obtained using a new "secondary" camera, designed and built at USNO.

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