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Related papers: The Zwicky Transient Facility: Surveys and Schedul…

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Electromagnetic follow-up of gravitational wave detections is very resource intensive, taking up hours of limited observation time on dozens of telescopes. Creating more efficient schedules for follow-up will lead to a commensurate increase…

Instrumentation and Methods for Astrophysics · Physics 2022-08-31 B. Parazin , Michael W. Coughlin , Leo P. Singer , Vaidehi Gupta , Shreya Anand

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$^2$ field of view and 8 second readout time. It is well…

Instrumentation and Methods for Astrophysics · Physics 2019-05-29 Matthew J. Graham , S. R. Kulkarni , Eric C. Bellm , Scott M. Adams , Cristina Barbarino , Nadejda Blagorodnova , Dennis Bodewits , Bryce Bolin , Patrick R. Brady , S. Bradley Cenko , Chan-Kao Chang , Michael W. Coughlin , Kishalay De , Gwendolyn Eadie , Tony L. Farnham , Ulrich Feindt , Anna Franckowiak , Christoffer Fremling , Avishay Gal-yam , Suvi Gezari , Shaon Ghosh , Daniel A. Goldstein , V. Zach Golkhou , Ariel Goobar , Anna Y. Q. Ho , Daniela Huppenkothen , Zeljko Ivezic , R. Lynne Jones , Mario Juric , David L. Kaplan , Mansi M. Kasliwal , Michael S. P. Kelley , Thomas Kupfer , Chien-De Lee , Hsing Wen Lin , Ragnhild Lunnan , Ashish A. Mahabal , Adam A. Miller , Chow-Choong Ngeow , Peter Nugent , Eran O. Ofek , Thomas A. Prince , Ludwig Rauch , Jan van Roestel , Steve Schulze , Leo P. Singer , Jesper Sollerman , Francesco Taddia , Lin Yan , Quan-Zhi Ye , Po-Chieh Yu , Igor Andreoni , Tom Barlow , James Bauer , Ron Beck , Justin Belicki , Rahul Biswas , Valery Brinnel , Tim Brooke , Brian Bue , Mattia Bulla , Kevin Burdge , Rick Burruss , Andrew Connolly , John Cromer , Virginia Cunningham , Richard Dekany , Alex Delacroix , Vandana Desai , Dmitry A. Duev , Eugean Hacopians , David Hale , George Helou , John Henning , David Hover , Lynne A. Hillenbrand , Justin Howell , Tiara Hung , David Imel , Wing-Huen Ip , Edward Jackson , Shai Kaspi , Stephen Kaye , Marek Kowalski , Emily Kramer , Michael Kuhn , Walter Landry , Russ R. Laher , Peter Mao , Frank J. Masci , Serge Monkewitz , Patrick Murphy , Jakob Nordin , Maria T. Patterson , Bryan Penprase , Michael Porter , Umaa Rebbapragada , Dan Reiley , Reed Riddle , Mickael Rigault , Hector Rodriguez , Ben Rusholme , Jakob van Santen , David L. Shupe , Roger M. Smith , Maayane T. Soumagnac , Robert Stein , Jason Surace , Paula Szkody , Scott Terek , Angela van Sistine , Sjoert van Velzen , W. Thomas Vestrand , Richard Walters , Charlotte Ward , Chaoran Zhang , Jeffry Zolkower

Modern astronomical surveys, such as the Zwicky Transient Facility (ZTF), are capable of detecting thousands of transient events per year, necessitating the use of automated and scalable data analysis techniques. Recent advances in machine…

Instrumentation and Methods for Astrophysics · Physics 2025-04-17 Betty X. Hu , Avi Loeb

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

Robotic wide-field time-domain surveys, such as the Zwicky Transient Facility and the Asteroid Terrestrial-impact Last Alert System, capture dozens of transients each night. The workflows for discovering and classifying transients in survey…

Instrumentation and Methods for Astrophysics · Physics 2025-12-16 Nabeel Rehemtulla , Michael W. Coughlin , Adam A. Miller , Theophile Jegou du Laz

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

We present a method for scheduling observations in small field-of-view transient targeted surveys. The method is based on maximizing the probability of detection of transient events of a given type and age since occurrence; it requires…

Instrumentation and Methods for Astrophysics · Physics 2010-09-10 Francisco Förster , Nicolás López , José Maza , Petr Kubánek , Giuliano Pignata

The optical observations of wide fields of view encounter the problem of selection of best exposure time. As there are usually plenty of objects observed simultaneously, the quality of photometry of the brightest ones is always better than…

Instrumentation and Methods for Astrophysics · Physics 2017-08-04 A. Popowicz , A. R. Kurek

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 discovery and subsequent study of optical counterparts to transient sources is crucial for their complete astrophysical understanding. Various gamma ray burst (GRB) detectors, and more notably the ground--based gravitational wave…

Instrumentation and Methods for Astrophysics · Physics 2022-09-29 Javed Rana , Akshat Singhal , Bhooshan Gadre , Varun Bhalerao , Sukanta Bose

The current generation of all-sky surveys is rapidly expanding our ability to study variable and transient sources. These surveys, with a variety of sensitivities, cadences, and fields of view, probe many ranges of timescale and magnitude.…

Telescope arrays are receiving increasing attention due to their promise of higher resource utilization, greater sky survey area, and higher frequency of full space-time monitoring than single telescopes. Compared with the ordinary…

Instrumentation and Methods for Astrophysics · Physics 2023-02-07 Yajie Zhang , Ce Yu , Chao Sun , Zhaohui Shang , Yi Hu , Huiyu Zhi , Jinmao Yang , Shanjiang Tang

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

We describe a scalable distributed imaging algorithm framework for next-generation radio telescopes, managing the Fourier transform from apertures to sky (or vice versa) with a focus on minimising memory load, data transfers, and…

Instrumentation and Methods for Astrophysics · Physics 2024-07-17 Peter Wortmann , James Kent , Bojan Nikolic

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

Future surveys such as the Legacy Survey of Space and Time (LSST) of the Vera C. Rubin Observatory will observe an order of magnitude more astrophysical transient events than any previous survey before. With this deluge of photometric data,…

Instrumentation and Methods for Astrophysics · Physics 2023-10-06 Tarek Allam , Jason D. McEwen

This article deals with the spatio-temporal sensors deployment in order to maximize detection probability of an intelligent and randomly moving target in an area under surveillance. Our work is based on the rare events simulation framework.…

Neural and Evolutionary Computing · Computer Science 2017-02-24 Chouchane Mathieu , Paris Sébastien , Le Gland François , Ouladsine Mustapha

To fulfill the requirements of space object cataloging and enable automated intelligent responses to anomalous events, we designed a novel observation scheduling system named Sky Survey Schedule (SSS). This framework facilitates coordinated…

Instrumentation and Methods for Astrophysics · Physics 2025-09-04 Kai-Tian Yuan , Hou-Yuan Lin

The Bright Transient Survey (BTS) aims to obtain a classification spectrum for all bright ($m_\mathrm{peak}\,\leq\,18.5\,$mag) extragalactic transients found in the Zwicky Transient Facility (ZTF) public survey. BTS critically relies on…

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