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Observations of double stars and new pairs. XV
The study reports visual and photographic measures listed for 1150 pairsobtained in the time frame 1989.91-1992.15, including 221 new doublestars. Magnitudes were estimated for a part of the objects, especiallythe fainter ones. Plate orientations were calculated from field stars ofknown positions and were precessed to the epoch; numbers of nights andof measured exposures are given. Reobservation of faint, neglected pairsreveal many corrections to the data from the old discovery lists.
| Measurements of binary stars obtained at Pic-du-Midi and at Nice
A total of 112 visual measurements of 82 close binaries observed with 2mtelescope at Pic-du-Midi are presented. In addition, 344 measurements of163 close binaries were observed with the 74-cm and 50-cm refractors atNice. All measurements were made by a micrometer with illuminated wires.
| Mesures d'etoiles doubles faites AU refracteur de 38cm de l'Observatoire de Nice.
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Besorolás csoportokba:
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Pozíciós és asztrometriai adatok
| Csillagkép: | Halak |
| Rektaszcenzió: | 01h07m46.41s |
| Deklináció: | +04°24'51.7" |
| Vizuális fényesség: | 9.286 |
| RA sajátmozgás: | -16 |
| Dec sajátmozgás: | -37.5 |
| B-T magnitude: | 9.877 |
| V-T magnitude: | 9.335 |
Katalógusok és elnevezések:
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INHABITED SKY
