8 citations · 13 across the 4 of their papers we have counts for
4 papers
Covertly Active Comet (139359) 2001 ME1
Qicheng Zhang, Quanzhi Ye, Karl Battams +3
On 2018 November 18, coronagraphs onboard the Solar and Heliospheric Observatory (SOHO) captured an unrecognized comet crossing its fields of view. We identified this comet to be t…
Rapid Brightening of 3I/ATLAS Ahead of Perihelion
Qicheng Zhang, Karl Battams
Interstellar comet 3I/ATLAS has been approaching its 2025 October 29 perihelion while opposite the Sun from Earth, hindering ground-based optical observations over the preceding mo…
Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS
Darryl Z. Seligman, Marco Micheli, Davide Farnocchia +44
We report initial observations aimed at the characterization of a third interstellar object. This object, 3I/ATLAS or C/2025 N1 (ATLAS), was discovered on 2025 July 1 UT and has an…
CHIMERA Occultation Constraints on the Abundance of Kilometer-scale Kuiper Belt Objects
Qicheng Zhang, Gregg W. Hallinan, Navtej S. Saini +3
Occultations provide indirect sensitivity to the number density of small Kuiper Belt objects (KBOs) too faint to directly detect telescopically. We present results from the Caltech…