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Micrometer observations of double stars and new pairs. XIII
From a program of double star observations which emphasizes orbital,neglected, and newly discovered pairs, results obtained from October1984 to January 1987 are presented. A total of 3030 visual and 550photographic measures are listed. The positions in WDS format andDurchmusterung numbers are shown for 117 pairs for which firstobservations appear in this paper. Magnitudes are estimated for some ofthe objects.
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Observation and Astrometry data
| Constellation: | りゅう座 |
| Right ascension: | 16h51m55.02s |
| Declination: | +67°54'54.1" |
| Apparent magnitude: | 7.394 |
| Distance: | 141.443 parsecs |
| Proper motion RA: | -4.7 |
| Proper motion Dec: | 8.9 |
| B-T magnitude: | 7.534 |
| V-T magnitude: | 7.406 |
Catalogs and designations:
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