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We describe the simulated data sample for the "Photometric LSST Astronomical Time Series Classification Challenge" (PLAsTiCC), a publicly available challenge to classify transient and variable events that will be observed by the Large…

An automated, rapid classification of transient events detected in the modern synoptic sky surveys is essential for their scientific utility and effective follow-up using scarce resources. This presents some unusual challenges: the data are…

Instrumentation and Methods for Astrophysics · Physics 2016-11-17 S. G. Djorgovski , A. A. Mahabal , C. Donalek , M. J. Graham , A. J. Drake , B. Moghaddam , M. Turmon

The amount of collected data in many scientific fields is increasing, all of them requiring a common task: extract knowledge from massive, multi parametric data sets, as rapidly and efficiently possible. This is especially true in astronomy…

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

Astronomy, as many other scientific disciplines, is facing a true data deluge which is bound to change both the praxis and the methodology of every day research work. The emerging field of astroinformatics, while on the one end appears…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Massimo Brescia , Giuseppe Longo

The nature of scientific and technological data collection is evolving rapidly: data volumes and rates grow exponentially, with increasing complexity and information content, and there has been a transition from static data sets to data…

Instrumentation and Methods for Astrophysics · Physics 2016-11-17 S. G. Djorgovski , A. A. Mahabal , C. Donalek , M. J. Graham , A. J. Drake , M. Turmon , T. Fuchs

We provide a brief, and inevitably incomplete overview of the use of Machine Learning (ML) and other AI methods in astronomy, astrophysics, and cosmology. Astronomy entered the big data era with the first digital sky surveys in the early…

Instrumentation and Methods for Astrophysics · Physics 2022-12-06 S. G. Djorgovski , A. A. Mahabal , M. J. Graham , K. Polsterer , A. Krone-Martins

Time-domain astronomy is entering an era of unprecedented discovery driven by wide-field, high-cadence surveys such as LSST, Roman, Euclid, SKA, and PLATO. While some of these facilities will generate enormous photometric alert streams, the…

Astroinformatics is a new impact area in the world of astronomy, occasionally called the final frontier, where several astrophysicists, statisticians and computer scientists work together to tackle various data intensive astronomical…

Computational Engineering, Finance, and Science · Computer Science 2015-04-30 Snehanshu Saha , Surbhi Agrawal , Manikandan. R , Kakoli Bora , Swati Routh , Anand Narasimhamurthy

The time domain has been identified as one of the most important areas of astronomical research for the next decade. The Virtual Observatory is in the vanguard with dedicated tools and services that enable and facilitate the discovery,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Matthew J. Graham , S. G. Djorgovski , Ciro Donalek , Andrew J. Drake , Ashish A. Mahabal , Raymond L. Plante , Jeffrey Kantor , John C. Good

All sciences, including astronomy, are now entering the era of information abundance. The exponentially increasing volume and complexity of modern data sets promises to transform the scientific practice, but also poses a number of common…

Astrophysics · Physics 2016-11-17 S. G. Djorgovski

Astronomy has a long history of acquiring, systematizing, and interpreting large quantities of data. Starting from the earliest sky atlases through the first major photographic sky surveys of the 20th century, this tradition is continuing…

Astrophysics · Physics 2007-05-23 Robert J. Brunner , S. George Djorgovski , Thomas A. Prince , Alex S. Szalay

Exploration of the time variability on the sky over a broad range of flux levels and wavelengths is rapidly becoming a new frontier of astronomical research. We describe here briefly the Palomar-QUEST survey being carried out from the…

Synoptic sky surveys are becoming the largest data generators in astronomy, and they are opening a new research frontier, that touches essentially every field of astronomy. Opening of the time domain to a systematic exploration will…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 S. G. Djorgovski , A. A. Mahabal , A. J. Drake , M. J. Graham , C. Donalek , R. Williams

In recent years, the Lambda Cold Dark Matter (LCDM) model, which has been pivotal in cosmological studies, has faced significant challenges due to emerging observational and theoretical inconsistencies. This paper explores alternative…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-04 Dharmendra Kumar , Ayan Mitra , Shahnawaz A. Adil , Anjan A. Sen

The field of time-domain astronomy has experienced unprecedented growth due to the increasing deployment of robotic telescopes capable of autonomous, round-the-clock sky monitoring. These instruments have revolutionized the detection and…

Instrumentation and Methods for Astrophysics · Physics 2026-01-09 Yakubu Mu'allim , J. O. Vwavware , A. Ohwofosirai

The rapid advancement of observational capabilities in astronomy has led to an exponential growth in the volume of light curve (LC) data, creating both opportunities and challenges for time-domain astronomy. Traditional analytical methods…

Instrumentation and Methods for Astrophysics · Physics 2025-09-16 Almat Akhmetali , Alisher Zhunuskanov , Aknur Sakan , Marat Zaidyn , Timur Namazbayev , Dana Turlykozhayeva , Nurzhan Ussipov

Breakthroughs in physics and astrophysics are often driven by technological advances, with the recent detection of gravitational waves being one such example. This white paper focuses upon how improved astrometric and spectroscopic…

The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2012-09-25 Melvyn Wright

Despite centuries of close association, statistics and astronomy are surprisingly distant today. Most observational astronomical research relies on an inadequate toolbox of methodological tools. Yet the needs are substantial: astronomy…

Astrophysics · Physics 2014-10-13 E. D. Feigelson , G. J. Babu