TY - RPRT TI - HostSub_GP: Precise Galaxy Background Subtraction in Transient Long-slit Spectroscopy with Gaussian Processes AU - Liu, Chang [Northwestern Univ., Evanston, IL (United States); NSF-Simons AI Inst. for the Sky (SkAI), Chicago, IL (United States)] (ORCID:0000000278664531) AU - Miller, Adam A. [Northwestern Univ., Evanston, IL (United States); NSF-Simons AI Inst. for the Sky (SkAI), Chicago, IL (United States)] (ORCID:000000019515478X) PY - 2026 DO - 10.1088/1538-3873/ae3cc1 UR - https://www.osti.gov/biblio/3025581 ID - 3025581 ER -