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Observational studies of 12 DD Lacertae |
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| Authors: | Sato Naonobu |
| Institution: | (1) Dept. of Physics, Akita University, Akita, Japan |
| Abstract: | Astrophysics and Space Science - Analysis of the radial velocity curves of 12 DD Lacertae showns that the primary period is decreasing and the secondary is almost constant, confirming the... |
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