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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.
| Visual multiples. VIII - 1000 MK types
A total of 1000 new classifications are given for stars brighter than B= 8.0 mag in the Aitken double star catalog. The classificationssupplement 865 classifications obtained in 1981 and 1984. Among thenewly discovered stars are 12 new Ap stars, eight Lambda Bootis stars,one Ba II star, and 60 Am stars. A detailed list of the newclassifications is given.
| A spectroscopic investigation of visual binaries with B-type primaries.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1969AJ.....74.1082M&db_key=AST
| Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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| Mesures d'étoiles doubles faites au réfracteur de 30 cm. de l'Observatoire de Neuchatel
Not Available
| Mesures micrométriques d'Etoiles Doubles
Not Available
| Mesures d'Etoiles Doubles faites à Strasbourg en 1948-50
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Observation and Astrometry data
| Constellation: | Ophiucus |
| Right ascension: | 17h35m50.63s |
| Declination: | +00°59'48.3" |
| Apparent magnitude: | 8.425 |
| Distance: | 657.895 parsecs |
| Proper motion RA: | -1.9 |
| Proper motion Dec: | -13.9 |
| B-T magnitude: | 8.47 |
| V-T magnitude: | 8.429 |
Catalogs and designations:
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