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Observations of Double Stars. XVIII.
Micrometer observations of 1350 pairs in 1995-1997 are listed.
| 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.
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sonraki gruplarýn üyesi:
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Tekboynuz |
| Sað Açýklýk: | 06h22m08.07s |
| Yükselim: | +09°20'08.9" |
| Görünürdeki Parlaklýk: | 10.748 |
| özdevim Sað Açýklýk: | -7.5 |
| özdevim Yükselim: | -8 |
| B-T magnitude: | 11.256 |
| V-T magnitude: | 10.79 |
Kataloglar ve belirtme:
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