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Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).
| Miscellaneous spectroscopic notes
Results of slit-spectrograph observations are reported for approximately260 stars. The data presented range from recognition of many new Ap, Am,and other unusual stars to H-alpha observations of early-typesupergiants and Be stars. The material discussed was obtained over thepast 40 years at a number of U.S. observatories and at the DominionAstrophysical Observatory in Victoria, B.C.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Buyuk Ayi |
| Sað Açýklýk: | 09h27m01.39s |
| Yükselim: | +47°46'23.6" |
| Görünürdeki Parlaklýk: | 7.564 |
| Uzaklýk: | 105.82 parsek |
| özdevim Sað Açýklýk: | -2.1 |
| özdevim Yükselim: | 3.1 |
| B-T magnitude: | 7.906 |
| V-T magnitude: | 7.593 |
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