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Measurements of close binaries performed at PIC DU Midi
A total of 241 measurements of 119 close binaries observed with the 2-mTelescope Bernard Lyot at Pic du Midi Observatory are given. Themeasurements were performed with a micrometer with illuminated wires.
| Binary star measurements made at Pic-du-Midi
The 2-m Pic-du-Midi telescope has been used to obtain 130 visualmeasurements of 64 very close binaries. The measurements were made withan illuminated cross wire micrometer which provided magnificationfactors of 2500 to 5000. Data are presented in tabular form for suchmeasurements as total visual magnitude, angular position andseparations, and period.
| Micrometer Measures of Double Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959ApJS....4...45V&db_key=AST
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Observation and Astrometry data
| Constellation: | Vulpecula |
| Right ascension: | 19h07m18.39s |
| Declination: | +24°31'33.0" |
| Apparent magnitude: | 8.696 |
| Distance: | 248.139 parsecs |
| Proper motion RA: | -0.4 |
| Proper motion Dec: | -2.3 |
| B-T magnitude: | 8.832 |
| V-T magnitude: | 8.708 |
Catalogs and designations:
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