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A revised catalogue of delta Sct stars
An extensive and up-dated list of delta Sct stars is presented here.More than 500 papers, published during the last few years, have beenrevised and 341 new variables have been added to our last list, sixyears ago. This catalogue is intended to be a comprehensive review onthe observational characteristics of all the delta Sct stars known untilnow, including stars contained in earlier catalogues together with othernew discovered variables, covering information published until January2000. In summary, 636 variables, 1149 references and 182 individualnotes are presented in this new list. Tables 1 and 2 will be accessibleonly in electronic form at the CDS via anonymous ftp tocdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
| The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.
| True and Possible Contact Binaries in the Hipparcos Catalogue
A comprehensive list of contact binaries included in the HIPPARCOScatalogue is given.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Buyuk Ayi |
| Sað Açýklýk: | 10h29m26.77s |
| Yükselim: | +39°46'08.5" |
| Görünürdeki Parlaklýk: | 8.664 |
| Uzaklýk: | 198.413 parsek |
| özdevim Sað Açýklýk: | -19.8 |
| özdevim Yükselim: | -3.4 |
| B-T magnitude: | 9.188 |
| V-T magnitude: | 8.708 |
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