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[dwarf nova] OT J012059.6+325545 : spectrum in rebrightening phase

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We obtained a spectum of OT J012059.6+32554 on Dec.29. The spectrum shows the strong H-alpha emission. On the other hand, we detected that the H-beta line shows an emission feature and the H-gamma shows an absorption feature. These features imply that the accretion disk is still hot.

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2022/05

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