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Orbital elements are presented for 117 binary systems with no previousorbit calculation. For nearly all of these systems, these elements mustbe regarded as preliminary, but the ephemerides presented here should berelatively accurate over the next several decades. Further, the analysisof these systems should highlight the need for their continuedobservation by dedicated programs to improve the veracity of theseelements.
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One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.
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Datos observacionales y astrométricos
| Constelación: | Vela |
| Ascensión Recta: | 09h12m31.98s |
| Declinación: | -40°31'54.5" |
| Magnitud Aparente: | 8.684 |
| Distancia: | 116.009 parsecs |
| Movimiento Propio en Ascensión Recta: | 73.3 |
| Movimiento Propio en Declinación: | -101.2 |
| B-T magnitude: | 9.374 |
| V-T magnitude: | 8.741 |
Catálogos y designaciones:
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