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Broad-band photometry of selected southern ultraviolet-bright stars.
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| A survey of ultraviolet objects
An all-sky survey of ultraviolet objects is presented together with astatistical analysis that leads to the conclusion that there is asignificantly higher population of hot subdwarfs lying below themain-sequence than hitherto thought. The distribution of all ultravioletobjects, main sequence ultraviolet objects, and MK unclassifiedultraviolet objects are shown in galactic coordinates, and the absolutemagnitudes and color-color diagrams for these groups are presented.Scale heights are derived, giving values similar to planetary nebulaefor the hottest groups.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Buyuk Kopek |
| Sað Açýklýk: | 06h38m47.05s |
| Yükselim: | -28°45'22.9" |
| Görünürdeki Parlaklýk: | 9.44 |
| özdevim Sað Açýklýk: | -7.5 |
| özdevim Yükselim: | 6.8 |
| B-T magnitude: | 9.327 |
| V-T magnitude: | 9.431 |
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