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Speckle Interferometry at the US Naval Observatory. VIII.
The results of 2044 speckle interferometric observations of doublestars, made with the 26 inch (66 cm) refractor of the US NavalObservatory, are presented. Each speckle interferometric observation ofa system represents a combination of over a thousand short-exposureimages. These observations are averaged into 1399 mean positions andrange in separation from 0.16" to 14.97", with a mean separation of2.51". This is the eighth in a series of papers presenting measuresobtained with this system and covers the period 2001 March 18 through2001 December 30.
| 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.
| Mesures d'etoiles doubles faites AU 38cm de l'Observatoire de Paris.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Leo |
| Ascensión Recta: | 11h16m07.35s |
| Declinación: | +01°35'12.2" |
| Magnitud Aparente: | 9.107 |
| Movimiento Propio en Ascensión Recta: | 3.3 |
| Movimiento Propio en Declinación: | 1.9 |
| B-T magnitude: | 9.684 |
| V-T magnitude: | 9.155 |
Catálogos y designaciones:
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