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Comet 240P/NEAT is Stirring
Michael S. P. Kelley, Dennis Bodewits, Quanzhi Ye +13
Comets are primitive objects that formed in the protoplanetary disk, and have been largely preserved over the history of the Solar System. However, they are not pristine, and surfa…
Synthetic tracking using ZTF Long Dwell Datasets
Chengxing Zhai, Quanzhi Ye, Michael Shao +4
The Zwicky Transit Factory (ZTF) is a powerful time domain survey facility with a large field of view. We apply the synthetic tracking technique to integrate a ZTF's long-dwell dat…
The Natural History of 'Oumuamua
Oumuamua ISSI Team
The discovery of the first interstellar object passing through the Solar System, 1I/2017 U1 ('Oumuamua), provoked intense and continuing interest from the scientific community and…
Asteroid (3200) Phaethon: colors, phase curve, limits on cometary activity and fragmentation
Maryam Tabeshian, Paul Wiegert, Quanzhi Ye +3
We report on a multi-observatory campaign to examine asteroid 3200 Phaethon during its December 2017 close approach to Earth, in order to improve our measurements of its fundamenta…
Towards Efficient Detection of Small Near-Earth Asteroids Using the Zwicky Transient Facility (ZTF)
Quanzhi Ye, Frank J. Masci, Hsing Wen Lin +23
We describe ZStreak, a semi-real-time pipeline specialized in detecting small, fast-moving near-Earth asteroids (NEAs) that is currently operating on the data from the newly-commis…
DeepStreaks: identifying fast-moving objects in the Zwicky Transient Facility data with deep learning
Dmitry A. Duev, Ashish Mahabal, Quanzhi Ye +12
We present DeepStreaks, a convolutional-neural-network, deep-learning system designed to efficiently identify streaking fast-moving near-Earth objects that are detected in the data…