Richard Walters

Latest

• Faintest of them all : ZTF 21aaoryiz/SN 2021fcg -- Discovery of an extremely low luminosity type Iax supernova
• Cataclysmic Variables in the Second Year of the Zwicky Transient Facility
• Discovery and confirmation of the shortest gamma ray burst from a collapsar
• Fast-transient Searches in Real Time with ZTFReST: Identification of Three Optically-discovered Gamma-ray Burst Afterglows and New Constraints on the Kilonova Rate
• Time-series and Phasecurve Photometry of Episodically-Active Asteroid (6478) Gault in a Quiescent State Using APO, GROWTH, P200 and ZTF
• The ZTF Source Classification Project: I. Methods and Infrastructure
• Initial Characterization of Active Transitioning Centaur, P/2019 LD2 (ATLAS), using Hubble, Spitzer, ZTF, Keck, APO and GROWTH Visible & Infrared Imaging and Spectroscopy
• A Family Tree of Optical Transients from Narrow-Line Seyfert 1 Galaxies
• A large fraction of hydrogen-rich supernova progenitors experience elevated mass loss shortly prior to explosion
• Characterization of Temporarily-Captured Minimoon 2020 CD$_3$ by Keck Time-resolved Spectrophotometry
• Kilonova Luminosity Function Constraints based on Zwicky Transient Facility Searches for 13 Neutron Star Mergers
• Characterization of the Nucleus, Morphology and Activity of Interstellar Comet 2I/Borisov by Optical and Near-Infrared GROWTH, Apache Point, IRTF, ZTF and Keck Observations
• Characterization of the Nucleus, Morphology and Activity of Interstellar Comet 2I/Borisov by Optical and Near-Infrared GROWTH, Apache Point, IRTF, ZTF and Keck Observations
• General relativistic orbital decay in a seven-minute-orbital-period eclipsing binary system
• Real-bogus classification for the Zwicky Transient Facility using deep learning
• The Zwicky Transient Facility: Science Objectives
• Machine Learning for the Zwicky Transient Facility
• The Zwicky Transient Facility: System Overview, Performance, and First Results
• The Zwicky Transient Facility: Data Processing, Products, and Archive
• 2900 square degree search for the optical counterpart of short gamma-ray burst GRB 180523B with the Zwicky Transient Facility