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One-week optical observations of pulsed emission from the Crab pulsar with IMONY on the 3.8 m Seimei telescope
Kazuaki Hashiyama, Takeshi Nakamori, Anju Sato +13
We report our optical observations of the Crab pulsar using the Imager of MPPC-based Optical photoN counter from Yamagata (IMONY), a high-time-resolution photon-counting imager wit…
Calibrating the photometric performance of a high-time-resolution photon-counting imager for optical astronomy
Mana Hasebe, Takeshi Nakamori, Kazuaki Hashiyama +8
Optical observations with high time resolution are essential for understanding the origin of sub-millisecond timescale astronomical phenomena, including giant radio pulses from the…
Development of an imager with high time resolution optical photon counter
A. Sato, T. Nakamori, M. Shoji +7
Astrophysical transient phenomena on sub-millisecond timescales, such as fast radio bursts and giant radio pulses from the Crab pulsar, have been primarily observed in radio waveba…
Optical photon-counting observation of the Crab pulsar with Kanata telescope using prototype IMONY
Takeshi Nakamori, Kazuaki Hashiyama, Rin Sato +14
We have developed an optical photon-counting imaging system, IMONY, as an instrument for short-scale time-domain astronomy. In this study, we utilized a Geiger avalanche photodiode…