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We review the capabilities of the NASA/IPAC Extragalactic Database (NED, http://ned.ipac.caltech.edu) for information retrieval and knowledge discovery in the context of a globally distributed virtual observatory. Since its inception in…

Astrophysics · Physics 2009-11-07 Joseph M. Mazzarella , Barry F. Madore , George Helou , the NED Team

The NASA/IPAC Extragalactic Database (NED) is an impressive tool for finding near-exhaustive information on millions of astrophysical objects. Here, we outline a small systematic error that occurs in NED because a low-redshift approximation…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-30 Anthony Carr , Tamara Davis

Cataloguing and classifying celestial objects is one of the fundamental activities of observational astrophysics. In this work, we compare the contents of two comprehensive databases, the NASA Extragalactic Database (NED) and Set of…

Instrumentation and Methods for Astrophysics · Physics 2022-07-06 L. Kuhn , M. Shubat , P. Barmby

Interpreting the spectral energy distributions (SEDs) of astrophysical objects with physically motivated models is computationally expensive. These models require solving coupled differential equations in high-dimensional parameter spaces,…

Estimates of galaxy distances based on indicators that are independent of cosmological redshift are fundamental to astrophysics. Researchers use them to establish the extragalactic distance scale, to underpin estimates of the Hubble…

Numerous research topics rely on an improved cosmic distance scale (e.g., cosmology, gravitational waves), and the NASA/IPAC Extragalactic Database of Distances (NED-D) supports those efforts by tabulating multiple redshift-independent…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-14 Ian Steer

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

Astronomical observations already produce vast amounts of data through a new generation of telescopes that cannot be analyzed manually. Next-generation telescopes such as the Large Synoptic Survey Telescope and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2019-10-09 Giuseppe Longo , Erzsébet Merényi , Peter Tino

Machine learning (ML) has become a key tool in astronomy, driving advancements in the analysis and interpretation of complex datasets from observations. This article reviews the application of ML techniques in the identification and…

Solar and Stellar Astrophysics · Physics 2025-03-04 Guangping Li , Zujia Lu , Junzhi Wang , Zhao Wang

We introduce the NASA/IPAC Extragalactic Database (NED) Local Volume Sample (NED-LVS), a subset of $\sim$1.9 million objects with distances out to 1000~Mpc. We use UV and IR fluxes available in NED from all-sky surveys to derive physical…

In this paper we present two examples of recent investigations that we have undertaken, applying Machine Learning (ML) neural networks (NN) to image datasets from outer planet missions to achieve feature recognition. Our first investigation…

Large scientific institutions, such as the Space Telescope Science Institute, track the usage of their facilities to understand the needs of the research community. Astrophysicists incorporate facility usage data into their scientific…

Instrumentation and Methods for Astrophysics · Physics 2024-11-05 Vicente Amado Olivo , Wolfgang Kerzendorf , Brian Cherinka , Joshua V. Shields , Annie Didier , Katharina von der Wense

The application of machine learning (ML) methods to the analysis of astrophysical datasets is on the rise, particularly as the computing power and complex algorithms become more powerful and accessible. As the field of ML enjoys a…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 K. A. Venn , S. Fabbro , A Liu , Y. Hezaveh , L. Perreault-Levasseur , G. Eadie , S. Ellison , J. Woo , JJ. Kavelaars , K. M. Yi , R. Hlozek , J. Bovy , H. Teimoorinia , S. Ravanbakhsh , L. Spencer

A novel artificial intelligence (AI) technique that uses machine learning (ML) methodologies combines several algorithms, which were developed by ThetaRay, Inc., is applied to NASA's Transiting Exoplanets Survey Satellite (TESS) dataset to…

Earth and Planetary Astrophysics · Physics 2021-09-08 Leon Ofman , Amir Averbuch , Adi Shliselberg , Idan Benaun , David Segev , Aron Rissman

With manual searching processes, the rate at which scientists and astronomers discover exoplanets is slow because of inefficiencies that require an extensive time of laborious inspections. In fact, as of now there have been about only 5,000…

Machine Learning · Computer Science 2025-07-29 Ethan Lo , Dan C. Lo

We present a machine learning (ML) pipeline to identify star clusters in the multi{color images of nearby galaxies, from observations obtained with the Hubble Space Telescope as part of the Treasury Project LEGUS (Legacy ExtraGalactic…

Astrophysics of Galaxies · Physics 2021-02-10 Gustavo Perez , Matteo Messa , Daniela Calzetti , Subhransu Maji , Dooseok Jung , Angela Adamo , Mattia Siressi

SNAD is an international project with a primary focus on detecting astronomical anomalies within large-scale surveys, using active learning and other machine learning algorithms. The work carried out by SNAD not only contributes to the…

Machine Learning (ML) is the branch of computer science that studies computer algorithms that can learn from data. It is mainly divided into supervised learning, where the computer is presented with examples of entries, and the goal is to…

Earth and Planetary Astrophysics · Physics 2022-08-17 V. Carruba , S. Aljbaae , R. C. Domingos , M. Huaman , W. Barletta

The exploration of planetary bodies in our Solar system and beyond relies on the processing and interpretation of large, spatio-temporally inconsistent, and heterogeneous datasets. Recent advances in machine learning (ML) provide…

Machine learning is a field that has been growing in importance since the early 2010s due to the increasing accuracy of classification models and hardware advances that have enabled faster training on large datasets. In the field of…

Instrumentation and Methods for Astrophysics · Physics 2025-12-15 Alexis Mathis , Daniel Yu , Nolan Faught , Tyrian Hobbs.
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