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Exploration of time domain is now a vibrant area of research in astronomy, driven by the advent of digital synoptic sky surveys. While panoramic surveys can detect variable or transient events, typically some follow-up observations are…

Modern astronomical surveys detect asteroids by linking together their appearances across multiple images taken over time. This approach faces limitations in detecting faint asteroids and handling the computational complexity of trajectory…

Earth and Planetary Astrophysics · Physics 2025-09-25 Nathan Golovich , Trevor Steil , Alex Geringer-Sameth , Keita Iwabuchi , Ryan Dozier , Roger Pearce

Temporal sampling does more than add another axis to the vector of observables. Instead, under the recognition that how objects change (and move) in time speaks directly to the physics underlying astronomical phenomena, next-generation…

Astrophysics · Physics 2009-06-25 J. S. Bloom , D. L. Starr , N. R. Butler , P. Nugent , M. Rischard , D. Eads , D. Poznanski

The Vera Rubin Observatory's Legacy Survey of Space and Time (LSST) is expected to revolutionize time-domain optical astronomy as we know it. With its unprecedented depth, the LSST will survey the southern hemisphere sky, generating nearly…

High Energy Astrophysical Phenomena · Physics 2025-06-05 Andrea Simongini , F. Ragosta , I. Di Palma , S. Piranomonte

The Vera Rubin Observatory Legacy Survey of Space and Time (LSST) is expected to process ${\sim}10^6$ transient detections per night. For precision measurements of cosmological parameters and rates, it is critical to understand the…

A community meeting on the topic of "Radio Astronomy in the LSST Era" was hosted by the National Radio Astronomy Observatory in Charlottesville, VA (2013 May 6--8). The focus of the workshop was on time domain radio astronomy and sky…

Many science cases for wide-field time-domain surveys rely on accurate identification and characterization of the galaxies hosting transient and variable objects. In the era of the Legacy Survey of Space and Time (LSST) at the Vera C. Rubin…

Instrumentation and Methods for Astrophysics · Physics 2025-03-03 Charlotte Ward , Peter Melchior , Matt L. Sampson , Colin J. Burke , Jared Siegel , Benjamin Remy , Sufia Birmingham , Emily Ramey , Sjoert van Velzen

A key science goal of large sky surveys such as those conducted by the Vera C. Rubin Observatory and precursors to the Square Kilometre Array is the identification of variable and transient objects. One approach is the statistical analysis…

We identify minimal observing cadence requirements that enable photometric astronomical surveys to detect and recognize fast and explosive transients and fast transient features. Observations in two different filters within a short time…

The Legacy Survey of Space and Time, operated by the Vera C. Rubin Observatory, is a 10-year astronomical survey due to start operations in 2022 that will image half the sky every three nights. LSST will produce ~20TB of raw data per night…

Instrumentation and Methods for Astrophysics · Physics 2020-11-13 Dino Bektesevic , Hsin-Fang Chiang , Kian-Tat Lim , Todd L. Miller , Greg Thain , Tim Jenness , James Bosch , Andrei Salnikov , Andrew Connolly

Upcoming surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will detect up to 10 million time-varying sources in the sky every night for ten years. This information will be transmitted in a continuous…

Instrumentation and Methods for Astrophysics · Physics 2022-07-12 Anais Möller , Thibault de Boissière

Tidal Disruption Events (TDEs) are astrophysical phenomena arising when stars are disrupted by supermassive black holes. The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST), with its unprecedented depth and cadence, will…

Instrumentation and Methods for Astrophysics · Physics 2025-11-19 Kunal Bhardwaj , Asen Christov , Sergey Karpov

The Vera C. Rubin Observatory is preparing to execute the most ambitious astronomical survey ever attempted, the Legacy Survey of Space and Time (LSST). Currently the final phase of construction is under way in the Chilean Andes, with the…

Our understanding of the Universe has profited from deliberate, targeted studies of known phenomena, as well as from serendipitous, unexpected discoveries, such as the discovery of a complex variability pattern in the direction of KIC…

Aims. The treatment of astronomical image time series has won increasing attention in recent years. Indeed, numerous surveys following up on transient objects are in progress or under construction, such as the Vera Rubin Observatory Legacy…

Instrumentation and Methods for Astrophysics · Physics 2023-05-24 Anass Bairouk , Marc Chaumont , Dominique Fouchez , Jerome Paquet , Frédéric Comby , Julian Bautista

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will image billions of astronomical objects in the wide-fast-deep primary survey and in a set of minisurveys including intensive observations of a group of deep drilling…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-13 Philippe Gris , Humna Awan , Matthew R. Becker , Huan Lin , Eric Gawiser , Saurabh W. Jha , the LSST Dark Energy Science Collaboration

Cross-referencing a watchlist of galaxy groups and clusters with transient detections from real-time streams of wide-field survey data is a promising method for discovering gravitationally lensed explosive transients including supernovae,…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-07 Dan Ryczanowski , Graham P. Smith , Matteo Bianconi , Sean McGee , Andrew Robertson , Richard Massey , Mathilde Jauzac

Change detection of high-resolution remote sensing images is an important task in earth observation and was extensively investigated. Recently, deep learning has shown to be very successful in plenty of remote sensing tasks. The current…

Image and Video Processing · Electrical Eng. & Systems 2026-03-25 Shuting Sun , Lin Mu , Lizhe Wang , Peng Liu