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Photographic observations of visual double stars
Results are presented of photographic observations of 186 pairs ofvisual double stars, carried out with the 60-cm visual refractor of theBosscha Observatory at Lembang (Java) between 1984 and 1986. Theprocedures used in observations, measurements, and reducing wereidentical to those described by van Albada-van Dien (1983).
| Photographic observations of visual double stars
Photographic observations of 238 pairs of visual binaries obtained on770 plates using the 60-cm visual refractor of Bosscha Observatory(Lembang, Java) during 1976-1979 are reported, continuing the catalog ofvan Albada-van Dien (1983). The data-reduction procedures are brieflydescribed, and the data are presented in a table.
| Photographic observations of visual double stars
The results of photographic observations of 199 visual double stars,obtained at the Bosscha Observatory at Lembang, Indonesia, in the years1958-1975 (with one 1953 plate) are presented. The material comprises708 plates with an average of 37 images measured per plate. A shortdescription of the program is given (cf. van Albada-van Dien, 1958).
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Datos observacionales y astrométricos
| Constelación: | Altar |
| Ascensión Recta: | 16h53m55.79s |
| Declinación: | -46°54'37.8" |
| Magnitud Aparente: | 8.112 |
| Distancia: | 269.542 parsecs |
| Movimiento Propio en Ascensión Recta: | -16 |
| Movimiento Propio en Declinación: | -17.8 |
| B-T magnitude: | 8.417 |
| V-T magnitude: | 8.138 |
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