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Visual measures of 193 double and multiple stars
Micrometer measurements of 174 double stars obtained with 26 1/2-in. and10-in. refractors are presented, along with interferometric measurementsof 19 double stars performed using 20-in. and 36-in. reflectors. Theresults reported include star coordinates, position angles, separations,probable errors, orbital residuals, and identifications of wide doubleswith separations of up to 2 arcmin.
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Observation and Astrometry data
| Constellation: | りゅうこつ座 |
| Right ascension: | 09h39m23.21s |
| Declination: | -57°31'13.3" |
| Apparent magnitude: | 8.993 |
| Distance: | 10000000 parsecs |
| Proper motion RA: | -16.8 |
| Proper motion Dec: | 14.8 |
| B-T magnitude: | 10.269 |
| V-T magnitude: | 9.099 |
Catalogs and designations:
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