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Observatories are complex scientific and technical institutions serving diverse users and purposes. Their telescopes, instruments, software, and human resources engage in interwoven workflows over a broad range of timescales. These…

Instrumentation and Methods for Astrophysics · Physics 2014-07-30 Robert L. Seaman , W. Thomas Vestrand , Frederic V. Hessman

Large, freely available, well-maintained data sets have made astronomy a popular playground for machine learning projects. Nevertheless, robust insights gained to both machine learning and physics could be improved by clarity in problem…

Instrumentation and Methods for Astrophysics · Physics 2025-02-13 Johannes Buchner , Sotiria Fotopoulou

Recommender systems can be characterized as software solutions that provide users convenient access to relevant content. Traditionally, recommender systems research predominantly focuses on developing machine learning algorithms that aim to…

Information Retrieval · Computer Science 2022-10-20 Dietmar Jannach

Modern astronomy relies on massive databases collected by robotic telescopes and digital sky surveys, acquiring data in a much faster pace than what manual analysis can support. Among other data, these sky surveys collect information about…

Instrumentation and Methods for Astrophysics · Physics 2018-10-29 Evan Kuminski , Lior Shamir

The amount of data produced by large observational facilities and space missions has led to the archiving and on-line accessibility of much of this data, available to the entire astronomical community. This allows a much wider…

Astrophysics · Physics 2009-10-22 H. Andernach , R. J. Hanisch , F. Murtagh

A network of three or more gravitational wave detectors simultaneously taking data is required to generate a well-localized sky map for gravitational wave sources, such as GW170817. Local seismic disturbances often cause the LIGO and Virgo…

Instrumentation and Methods for Astrophysics · Physics 2020-08-10 Ayon Biswas , Jess McIver , Ashish Mahabal

This project outlines the complete development of a variable star classification algorithm methodology. With the advent of Big-Data in astronomy, professional astronomers are left with the problem of how to manage large amounts of data, and…

Instrumentation and Methods for Astrophysics · Physics 2020-09-01 Kyle Burton Johnston

In this paper, we introduce a novel situation aware approach to improve a context based recommender system. To build situation aware user profiles, we rely on evidence issued from retrieval situations. A retrieval situation refers to the…

Information Retrieval · Computer Science 2014-04-01 Djallel Bouneffouf

Throughout the processing and analysis of survey data, a ubiquitous issue nowadays is that we are spoilt for choice when we need to select a methodology for some of its steps. The alternative methods usually fail and excel in different data…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 Maria Süveges , Sotiria Fotopoulou , Jean Coupon , Stéphane Paltani , Laurent Eyer , Lorenzo Rimoldini

The knowledge discovery potential of the new large astronomical databases is vast. When these are used in conjunction with the rich legacy data archives, the opportunities for scientific discovery multiply rapidly. A Virtual Observatory…

Astrophysics · Physics 2007-05-23 Kirk D. Borne

A concept of the ground-based optical astronomical observations efficiency is considered in this paper. We believe that a telescope efficiency can be increased by properly allocating observation tasks with respect to the current environment…

Instrumentation and Methods for Astrophysics · Physics 2018-06-26 Matwey V. Kornilov

The Laser Interferometer Gravitational Wave Observatory (LIGO) and Virgo Collaboration's Observing Run 3 has demanded the development of widely-applicable tools for gravitational wave follow-up. These tools must address the main challenges…

Instrumentation and Methods for Astrophysics · Physics 2020-02-05 L. Salmon , L. Hanlon , R. M. Jeffrey , A. Martin-Carrillo

We review the current state of data mining and machine learning in astronomy. 'Data Mining' can have a somewhat mixed connotation from the point of view of a researcher in this field. If used correctly, it can be a powerful approach,…

Instrumentation and Methods for Astrophysics · Physics 2010-08-11 Nicholas M. Ball , Robert J. Brunner

Observing celestial objects and advancing our scientific knowledge about them involves tedious planning, scheduling, data collection and data post-processing. Many of these operational aspects of astronomy are guided and executed by expert…

Instrumentation and Methods for Astrophysics · Physics 2024-05-20 Sarod Yatawatta

Access to astronomical data through archives and VO is essential but does not solve all problems. Availability of appropriate software for analyzing the data is often equally important for the efficiency with which a researcher can publish…

Instrumentation and Methods for Astrophysics · Physics 2010-04-27 P. Grosbol , D. Tody

Large area surveys will dominate the forthcoming decades of astronomy and their success requires characterizing thousands of discoveries through additional observations at higher spatial or spectral resolution, and at complementary cadences…

Instrumentation and Methods for Astrophysics · Physics 2021-11-10 Christoph Baranec , Reed Riddle , Nicholas M. Law

The next generation of telescopes such as the SKA and the Rubin Observatory will produce enormous data sets, requiring automated anomaly detection to enable scientific discovery. Here, we present an overview and friendly user guide to the…

Instrumentation and Methods for Astrophysics · Physics 2022-01-26 Michelle Lochner , Bruce A. Bassett

An observation of gravitational waves is a trigger of the multi-messenger search of an astronomical event. A combination of the data from two or three gravitational wave telescopes indicates the location of a source and low-latency data…

General Relativity and Quantum Cosmology · Physics 2022-06-08 Seiya Sasaoka , Hirotaka Takahashi , Yilun Hou , Kentaro Somiya

Object detection in astronomical images, generically referred to as source finding, is often performed before the object characterisation stage in astrophysical processing work flows. In radio astronomy, source finding has historically been…

Instrumentation and Methods for Astrophysics · Physics 2019-01-16 Luis Lucas , Tim Staley , Anna Scaife

Sources of astrophysical neutrinos can potentially be discovered through the detection of neutrinos in coincidence with electromagnetic counterparts. Real-time alerts generated by IceCube play an important role in this search, acting as…

High Energy Astrophysical Phenomena · Physics 2023-07-28 G. Sommani , C. Lagunas Gualda , H. Niederhausen