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Itsna Fitriana is a researcher at the National Astronomical Observatory of Japan since September 2023. Prior to this role, Itsna held various positions at Tohoku University, including Projected Assistant Professor, Postdoctoral Researcher, Research Assistant, and Teaching Assistant from October 2021 to August 2023. Academic qualifications include a Doctor's Degree in Astronomy and a Master's Degree in Astronomy, both obtained from Tohoku University, alongside a Bachelor of Science in Astronomy and Astrophysics from Institut Teknologi Bandung.