Binary star measurements using digital speckle interferometer of 6-m telescope

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Binary Stars, Digital Systems, Speckle Interferometry, Telescopes, Astrophysics, Catalogs, Coordinates, Resolution, Tables (Data)

Scientific paper

New results have been obtained from speckle interferometer studies of binary stars. The work has been done since 1983 using the 6-m telescope at the Special Astrophysical Observatory. The observations are summarized in three tables. The work was done in November 1984 (4 nights) and March 1985 (3 nights). Table 1 gives 98 measurements of 80 binaries; two of these stars, BD+19SD662 and BD+23SD1346, were directly resolved for the first time. The tables give the catalog designation, names, coordinates for epoch 2000, observation dates, position angles and distances. Table 2 gives information on observations of 20 binaries and suspected binaries which were unresolved with the 6-m telescope. Table 3 gives a comparison of position angle and distance measurements and computer values for 35 systems.

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