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Related papers: The Zwicky Transient Facility: Science Objectives

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The Zwicky Transient Facility (ZTF) is a new optical time-domain survey that uses the Palomar 48-inch Schmidt telescope. A custom-built wide-field camera provides a 47 deg$^2$ field of view and 8 second readout time, yielding more than an…

Instrumentation and Methods for Astrophysics · Physics 2019-02-07 Eric C. Bellm , Shrinivas R. Kulkarni , Matthew J. Graham , Richard Dekany , Roger M. Smith , Reed Riddle , Frank J. Masci , George Helou , Thomas A. Prince , Scott M. Adams , C. Barbarino , Tom Barlow , James Bauer , Ron Beck , Justin Belicki , Rahul Biswas , Nadejda Blagorodnova , Dennis Bodewits , Bryce Bolin , Valery Brinnel , Tim Brooke , Brian Bue , Mattia Bulla , Rick Burruss , S. Bradley Cenko , Chan-Kao Chang , Andrew Connolly , Michael Coughlin , John Cromer , Virginia Cunningham , Kishalay De , Alex Delacroix , Vandana Desai , Dmitry A. Duev , Gwendolyn Eadie , Tony L. Farnham , Michael Feeney , Ulrich Feindt , David Flynn , Anna Franckowiak , S. Frederick , C. Fremling , Avishay Gal-Yam , Suvi Gezari , Matteo Giomi , Daniel A. Goldstein , V. Zach Golkhou , Ariel Goobar , Steven Groom , Eugean Hacopians , David Hale , John Henning , Anna Y. Q. Ho , David Hover , Justin Howell , Tiara Hung , Daniela Huppenkothen , David Imel , Wing-Huen Ip , Željko Ivezić , Edward Jackson , Lynne Jones , Mario Juric , Mansi M. Kasliwal , S. Kaspi , Stephen Kaye , Michael S. P. Kelley , Marek Kowalski , Emily Kramer , Thomas Kupfer , Walter Landry , Russ R. Laher , Chien-De Lee , Hsing Wen Lin , Zhong-Yi Lin , Ragnhild Lunnan , Matteo Giomi , Ashish Mahabal , Peter Mao , Adam A. Miller , Serge Monkewitz , Patrick Murphy , Chow-Choong Ngeow , Jakob Nordin , Peter Nugent , Eran Ofek , Maria T. Patterson , Bryan Penprase , Michael Porter , Ludwig Rauch , Umaa Rebbapragada , Dan Reiley , Mickael Rigault , Hector Rodriguez , Jan van Roestel , Ben Rusholme , Jakob van Santen , S. Schulze , David L. Shupe , Leo P. Singer , Maayane T. Soumagnac , Robert Stein , Jason Surace , Jesper Sollerman , Paula Szkody , F. Taddia , Scott Terek , Angela Van Sistine , Sjoert van Velzen , W. Thomas Vestrand , Richard Walters , Charlotte Ward , Quan-Zhi Ye , Po-Chieh Yu , Lin Yan , Jeffry Zolkower

The Zwicky Transient Facility (ZTF) is a next-generation optical synoptic survey that builds on the experience and infrastructure of the Palomar Transient Factory (PTF). Using a new 47 deg$^2$ survey camera, ZTF will survey more than an…

Instrumentation and Methods for Astrophysics · Physics 2014-10-31 Eric C. Bellm

The Zwicky Transient Facility (ZTF) Observing System (OS) is the data collector for the ZTF project to study astrophysical phenomena in the time domain. ZTF OS is based upon the 48-inch aperture Schmidt-type design Samuel Oschin Telescope…

The Palomar Transient Factory (PTF) is a synoptic sky survey in operation since 2009. PTF utilizes a 7.1 square degree camera on the Palomar 48-inch Schmidt telescope to survey the sky primarily at a single wavelength (R-band) at a rate of…

Instrumentation and Methods for Astrophysics · Physics 2015-01-27 J. Surace , R. Laher , F. Masci , C. Grillmair , G. Helou

The Zwicky Transient Facility (ZTF) is conducting a nightly public survey of all 13 TESS northern sectors in 2019-2020. ZTF will observe the portions of the current TESS sectors visible from Palomar Observatory each night. Each ZTF pointing…

In March 2017, the Intermediate Palomar Transient Factory (iPTF) ceased operations. I take this occasion to review the scientific returns from iPTF and its predecessor survey, the Palomar Transient Factory (PTF), and to summarize the…

Instrumentation and Methods for Astrophysics · Physics 2019-09-04 Eric C. Bellm

The Zwicky Transient Facility (ZTF) is performing a three-day cadence survey of the visible Northern sky (~3$\pi$). The transient candidates found in this survey are announced via public alerts. As a supplementary product ZTF is also…

When planning a survey for astronomical transients, many factors such as cadence, filter choice, sky coverage, and depth of observations need to be balanced in order to optimize the scientific gain of the survey. Here we present a software…

Instrumentation and Methods for Astrophysics · Physics 2019-10-09 Ulrich Feindt , Jakob Nordin , Mickael Rigault , Valéry Brinnel , Suhail Dhawan , Ariel Goobar , Marek Kowalski

The Zwicky Transient Facility is a new robotic-observing program, in which a newly engineered 600-MP digital camera with a pioneeringly large field of view, 47~square degrees, will be installed into the 48-inch Samuel Oschin Telescope at…

The Palomar Transient Factory (PTF) is a wide-field experiment designed to investigate the optical transient and variable sky on time scales from minutes to years. PTF uses the CFH12k mosaic camera, with a field of view of 7.9 deg^2 and a…

From near-Earth asteroids to superluminous supernovae and counterparts to gravitational wave sources, the Zwicky Transient Facility will soon scan the night sky for transient phenomena.

Instrumentation and Methods for Astrophysics · Physics 2017-05-30 Eric C. Bellm , Shrinivas R. Kulkarni

The Palomar Transient Factory (PTF) is a fully-automated, wide-field survey aimed at a systematic exploration of the optical transient sky. The transient survey is performed using a new 8.1 square degree camera installed on the 48-inch…

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 of the Zwicky Transient Facility (ZTF), a wide-field,…

The Zwicky Transient Facility (ZTF) survey generates real-time alerts for optical transients, variables, and moving objects discovered in its wide-field survey. We describe the ZTF alert stream distribution and processing (filtering)…

The Zwicky Transient Facility (ZTF), a state-of-the-art optical robotic sky survey, registers on the order of a million transient events - such as supernova explosions, changes in brightness of variable sources, or moving object detections…

Instrumentation and Methods for Astrophysics · Physics 2021-11-25 Dmitry A. Duev , Stéfan J. van der Walt

With large-scale surveys such as the Zwicky Transient Facility (ZTF), it has become possible to obtain a well-sampled light curve spanning the full length of the survey for any discovery within the survey footprint. Similarly, any transient…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-14 Jacco H. Terwel , Kate Maguire , Jesper Sollerman , Phil Wiseman , Tracy X. Chen , Matthew J. Graham , Russ R. Laher , Reed Riddle , Niharika Sravan

Microlensing events have historically been discovered throughout the Galactic bulge and plane by surveys designed solely for that purpose. We conduct the first multi-year search for microlensing events on the Zwicky Transient Facility…

Astrophysics of Galaxies · Physics 2023-04-26 Michael S. Medford , Natasha S. Abrams , Jessica R. Lu , Peter Nugent , Casey Y. Lam

In the era of sky surveys like Palomar Transient Factory (PTF), Zwicky Transient Facility (ZTF) and the upcoming Vera Rubin Observatory (VRO) and ILMT, a plethora of image data will be available. ZTF scans the sky with a field of view of 48…

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