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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.
| A second list of wide visual binaries
Not Available
| A second list of wide visual binaries
Not Available
| The proper motions of Struve double stars
The proper motions of the components of 103 Struve double stars fromMuller's list of neglected stars and of 15 other systems were measuredrelative to sets of reference stars, for the primary purpose ofdistinguishing physical from optical pairs. A by-product of thisinvestigation is a list of measured position angles and distances ofthese objects, at two epochs each.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Herkul |
| Sað Açýklýk: | 16h08m37.84s |
| Yükselim: | +40°03'11.3" |
| Görünürdeki Parlaklýk: | 8.589 |
| Uzaklýk: | 243.902 parsek |
| özdevim Sað Açýklýk: | -18.6 |
| özdevim Yükselim: | 19.7 |
| B-T magnitude: | 9.008 |
| V-T magnitude: | 8.624 |
Kataloglar ve belirtme:
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