AT 2019abn: multi-wavelength observations
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AT 2019abn was discovered in the nearby M51 galaxy by the Zwicky Transient Facility at more than two magnitudes and around three weeks prior to its optical peak. We aim to...
AT 2019abn由茨威基瞬变设施（Zwicky Transient Facility）在邻近的M51星系中发现，其发现时较光学峰值早约三周，星等差异超过两个星等。本研究旨在……
