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| CCD astrometry and instrumental Delta V photometry of visual double stars. V. Differential measurements of pairs with angular separations 1arcsec to 4arcsec
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| 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.
| Micrometer measures of doubles stars. III.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963AJ.....68...57V&db_key=AST
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Datos observacionales y astrométricos
| Constelación: | Águila |
| Ascensión Recta: | 19h03m42.21s |
| Declinación: | +16°57'57.8" |
| Magnitud Aparente: | 8.323 |
| Distancia: | 374.532 parsecs |
| Movimiento Propio en Ascensión Recta: | -20.2 |
| Movimiento Propio en Declinación: | -73.8 |
| B-T magnitude: | 10.272 |
| V-T magnitude: | 8.484 |
Catálogos y designaciones:
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