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New GCVS Versions for Three Southern Constellations
We are currently working on a version of the General Catalogue ofVariable Stars (GCVS) revised taking into account the new dataaccumulated since the 4th GCVS edition. A draft new version will bereleased for each constellation as soon as the work for theconstellation is finished. It will contain all stars of the 4th GCVSedition plus a complete catalogue of the stars added to the GCVS in theName Lists of Variable Stars Nos. 67 - 78. Now we are ready for thefirst release, containing more than 1300 variable stars in theconstellations of Antlia, Ara, and Telescopium. When preparing therelease, we actively used modern data-mining possibilities to improvevariability types and light elements. This paper introduces the firstrelease of the new GCVS version and presents new results (types, lightelements), based mainly on data mining, for 213 stars.
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| Stars with the Largest Hipparcos Photometric Amplitudes
A list of the 2027 stars that have the largest photometric amplitudes inHipparcos Photometry shows that most variable stars are all Miras. Thepercentage of variable types change as a function of amplitude. Thiscompilation should also be of value to photometrists looking forrelatively unstudied, but large amplitude stars.
| Precise Coordinates of Variable Stars (1)
Not Available
| 121 neue südliche Veränderliche
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Observation and Astrometry data
| Constellation: | Telescopium |
| Right ascension: | 20h21m42.70s |
| Declination: | -49°48'55.5" |
| Apparent magnitude: | 9.741 |
| Proper motion RA: | 13.1 |
| Proper motion Dec: | -2 |
| B-T magnitude: | 10.464 |
| V-T magnitude: | 9.801 |
Catalogs and designations:
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