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Speckle Interferometry at the US Naval Observatory. VI.
The results of 1068 speckle interferometric observations of doublestars, made with the 26 inch (0.66 m) refractor of the US NavalObservatory, are presented. These observations are averaged into 841means of 815 binary stars. The systems range in separation from 0.22" to6.01" with a mean separation of 2.21" and have a limiting secondarymagnitude of V=12.5. This is the sixth in a series of papers presentingmeasures obtained with this system, and it covers the period 1999January 1 through 2000 January 9.
| Measures of 266 double stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1957AJ.....62..153W&db_key=AST
| Stellar Spectra in Milky way Regions. I. a. Region in Aquila.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1949ApJ...109..426M&db_key=AST
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Datos observacionales y astrométricos
| Constelación: | Águila |
| Ascensión Recta: | 19h32m52.33s |
| Declinación: | +08°30'48.9" |
| Magnitud Aparente: | 10.452 |
| Movimiento Propio en Ascensión Recta: | 9.2 |
| Movimiento Propio en Declinación: | -19.8 |
| B-T magnitude: | 10.711 |
| V-T magnitude: | 10.474 |
Catálogos y designaciones:
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