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Real-bogus classification for the Zwicky Transient Facility using deep learning
Dmitry A. Duev, Ashish Mahabal, Frank J. Masci +8
Efficient automated detection of flux-transient, reoccurring flux-variable, and moving objects is increasingly important for large-scale astronomical surveys. We present braai, a c…
Type IIn supernova light-curve properties measured from an untargeted survey sample
A. Nyholm, J. Sollerman, L. Tartaglia +19
We present a sample of supernovae Type IIn (SNe IIn) from the untargeted, magnitude-limited surveys of the Palomar Transient Factory (PTF) and its successor, the intermediate PTF (…
SN 2016hil-- a Type II supernova in the remote outskirts of an elliptical host and its origin
Ido Irani, Steve Schulze, Avishay Gal-Yam +14
Type II supernovae (SNe) stem from the core collapse of massive () stars. Owing to their short lifespan, we expect a very low rate of such events in elliptical host…
ZTF18aalrxas: A Type IIb Supernova from a very extended low-mass progenitor
C. Fremling, H. Ko, A. Dugas +31
We investigate ZTF18aalrxas, a double-peaked Type IIb core-collapse supernova (SN) discovered during science validation of the Zwicky Transient Facility (ZTF). ZTF18aalrxas was dis…
The Zwicky Transient Facility: Science Objectives
Matthew J. Graham, S. R. Kulkarni, Eric C. Bellm +114
The Zwicky Transient Facility (ZTF), a public-private enterprise, is a new time domain survey employing a dedicated camera on the Palomar 48-inch Schmidt telescope with a 47 deg$^2…
Machine Learning for the Zwicky Transient Facility
Ashish Mahabal, Umaa Rebbapragada, Richard Walters +47
The Zwicky Transient Facility is a large optical survey in multiple filters producing hundreds of thousands of transient alerts per night. We describe here various machine learning…