Shanghai Astronomical Observatory Archives

Averaged 18 cm OH lines (scaled to 1667 MHz) of 3I obtained in four observations with both a Gaussian and a trapezoid fit: September 8 and 9 (top), September 18 and 23 (bottom). The Astrophysical Journal

Astrochemistry, Astronomy & Telescopes, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Interstellar, Status Report

Unique Water Release Mechanism Uncovered In Interstellar Comet 3I/ATLAS

by Keith CowingMarch 23, 2026June 11, 2026

A research team from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences (CAS) has conducted high-sensitivity radio observations of the interstellar comet 3I/ATLAS using the Tianma Telescope, […]

detection of radio recombination lines of carbon/oxygen

Astrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Press Release

Radio Recombination Lines Of Carbon/Oxygen Ions Detected For The First Time

by Keith CowingMarch 6, 2023March 6, 2023

A research team from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has detected radio recombination lines (RRLs) of ions heavier than helium for the first time, […]