University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery

W. B. Hoogendam, D. Kuesters, B. J. Shappee +22

The paper presents blue‑sensitive spectrophotometric observations of the interstellar comet 3I/ATLAS over two months, reporting its early UV spectrum, variable spectral slopes, com…