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UVBY photometry of HIPPARCOS stars
Photoelectric data in the uvby system have been obtained for 367southern stars of the Hipparcos Input Catalogue. Most of the stars are Fand G main sequence and fall in the magnitude range V = 9 to 10.
| A catalogue of QSOs and link stars for the HST link of the HIPPARCOS reference frame
A list of bright (less than 17 mag) southern QSOs and bright (less than11 mag) stars that may be suitable for the Hubble Space Telescope linkbetween the Hipparcos astrometric reference frame and the VLBIextragalactic frame is presented. The QSOs have been selected fromvarious lists of radio objects and identifications. The stars have beenselected from the Strasbourg (CDS) data base and from the PreliminarySecond Cape Photographic Catalog, and supplemented with stars measuredfrom the SERC IIIa-J Schmidt survey. These QSOs and stars have beenincluded in the Hipparcos and HST schedule of observations.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Turna Kusu |
| Sað Açýklýk: | 22h34m59.03s |
| Yükselim: | -48°33'28.6" |
| Görünürdeki Parlaklýk: | 9.913 |
| özdevim Sað Açýklýk: | 54.2 |
| özdevim Yükselim: | -19.2 |
| B-T magnitude: | 10.5 |
| V-T magnitude: | 9.962 |
Kataloglar ve belirtme:
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