Penumbral Waves driving Solar chromospheric fan-shaped jets

摘要: We use H$\alpha$ imaging spectroscopy taken via the Swedish 1-m Solar Telescope (SST) to investigate occurrence of fan-shaped jets at solar limb. show evidence for near-simultaneous photospheric reconnection a sunspot edge leading appearance, with upward velocities 30\ks, and extensions up 8~Mm. The brightening base appears recurrent, periodicity matching that nearby penumbra, implying running penumbral waves could be driver jets. jets' constant extension velocity implies counteracting gravity exists, possibly as result recurrent erupting material into chromosphere. These also signatures in higher temperature lines captured from Dynamics Observatory (SDO), indicating very hot jet front, leaving behind optically thick cool plasma its wake.