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Wulf, Fabian Kislat, Filip af Malmborg, Haruki Kuramoto, Henric Krawczynski, Hiromitsu Takahashi, Hironori Matsumoto, Hisamitsu Awaki, Jacob Casey, Kaito Murakami, Kassi Klepper, Kazuho Goya, Keisuke Tamura, Kentaro Shirahama, Kohei Shima, Kojiro Tanaka, Kun Hu, Lindsey Lisalda, Manabu Ishida, Marina Yoshimoto, Mark Pearce, Masato Yokota, Matthew G. Baring, M\\'ozsi Kiss, Nicole Rodriguez Cavero, Pavel Galchenko, Richard Bose, R. James Lanzi, Ryo Imazawa, Sayana Takatsuka, Scott Heatwole, Sean Spooner, Shravan Vengalil Menon, Sohee Chun, Takashi Okajima, Takayuki Hayashi, Takuya Miyazawa, Tomohiro Hakamata, Yoshitomo Maeda, Yuusuke Uchida","submitted_at":"2025-03-18T14:45:44Z","abstract_excerpt":"We report measurements of the linear polarisation degree (PD) and angle (PA) for hard X-ray emission from the Crab pulsar and wind nebula. Measurements were made with the XL-Calibur ($\\sim$15-80 keV) balloon-borne Compton-scattering polarimeter in July 2024. 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