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A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.
| Appulses and occultations of SAO stars by Mercury - 1987-1995
While no readily observable occultations were found in the presentpredictions for 78 close approaches by Mercury to stars in theSmithsonian Astrophysical Observatory catalog (1966) over the periodJanuary 1, 1987-December 31, 1995, seven occultations of stars withvisual magnitudes of 7 or fainter are noted. These events are presentedwith a view to searches for material in the vicinity of Mercury, as wellas investigations requiring close, bright stars for the improvement ofground-based Mercury images.
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Member of following groups:
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Observation and Astrometry data
| Constellation: | Lion |
| Right ascension: | 11h29m58.80s |
| Declination: | +03°12'18.2" |
| Apparent magnitude: | 8.334 |
| Distance: | 84.962 parsecs |
| Proper motion RA: | -52.3 |
| Proper motion Dec: | -61.1 |
| B-T magnitude: | 8.894 |
| V-T magnitude: | 8.381 |
Catalogs and designations:
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