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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.
| Interstellar reddening in the Southern Hemisphere. I - The UVBY beta observations
The uvby-beta photometric data obtained from a Southern Hemisphereobservational project is presented. A uvby-beta photometric network ofnearly 3900 A and early F stars has been established with the intentthat the stars serve as 'space probes' for measurements of interstellarreddening.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Tukan |
| Sað Açýklýk: | 22h43m40.47s |
| Yükselim: | -64°38'53.4" |
| Görünürdeki Parlaklýk: | 8.777 |
| Uzaklýk: | 174.52 parsek |
| özdevim Sað Açýklýk: | 17.7 |
| özdevim Yükselim: | -3.1 |
| B-T magnitude: | 9.223 |
| V-T magnitude: | 8.814 |
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