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We present new constraints on the masses of the halos hosting the Milky Way and Andromeda galaxies derived using graph neural networks. Our models, trained on thousands of state-of-the-art hydrodynamic simulations of the CAMELS project,…

The Astrophysics Data System (ADS) provides an extensive system of links between the literature and other on-line information. Recently, the journals of the American Astronomical Society (AAS) and a group of NASA data centers have…

We propose a decision criterion for segmenting the cosmic web into different structure types (voids, sheets, filaments, and clusters) on the basis of their respective probabilities and the strength of data constraints. Our approach is…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Florent Leclercq , Jens Jasche , Benjamin Wandelt

Modern cloud orchestrators like Kubernetes provide a versatile and robust way to host applications at scale. One of their key features is autoscaling, which automatically adjusts cloud resources (compute, memory, storage) in order to adapt…

Networking and Internet Architecture · Computer Science 2021-09-08 Berta Serracanta , Jordi Paillisse , Albert Cabellos , Anna Claiborne , Alberto Rodriguez-Natal , Dave Ward , Fabio Maino

The analysis and an efficient scientific exploration of the Digital Palomar Observatory Sky Survey (DPOSS) represents a major technical challenge. The input data set consists of 3 Terabytes of pixel information, and contains a few billion…

Astrophysics · Physics 2015-06-24 S. G. Djorgovski , R. R. de Carvalho , S. C. Odewahn , R. R. Gal , J. Roden , P. Stolorz , A. Gray

Autoscaling system can reconfigure cloud-based services and applications, through various configurations of cloud software and provisions of hardware resources, to adapt to the changing environment at runtime. Such a behavior offers the…

Software Engineering · Computer Science 2018-04-26 Tao Chen , Rami Bahsoon , Xin Yao

Astronomers have come to rely on the increasing performance of computers to reduce, analyze, simulate and visualize their data. In this environment, faster computation can mean more science outcomes or the opening up of new parameter spaces…

Instrumentation and Methods for Astrophysics · Physics 2010-01-14 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

We propose a scalable, cloud-native architecture designed for Transcriptomics Atlas Pipeline, using a resource-intensive STAR aligner and processing tens or hundreds of terabytes of RNA-seq data. We implement the pipeline using AWS cloud…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-11 Piotr Kica , Sabina Lichołai , Michał Orzechowski , Maciej Malawski

The Gaia Archive provides access to observations of around a billion sky sources. The primary access to this archive is via TAP services such as GACS and ARI-Gaia, which allow execution of SQL-like queries against a large remote database…

Instrumentation and Methods for Astrophysics · Physics 2016-11-29 M. B. Taylor , G. Mantelet , M. Demleitner

The ADS Abstract and Article Services provide access to the astronomical literature through the World Wide Web (WWW). The forms based user interface provides access to sophisticated searching capabilities that allow our users to find…

Astrophysics · Physics 2009-10-31 G. Eichhorn , M. J. Kurtz , A. Accomazzi , C. S. Grant , S. S. Murray

Maps of cosmic structure produced by galaxy surveys are one of the key tools for answering fundamental questions about the Universe. Accurate theoretical predictions for these quantities are needed to maximize the scientific return of these…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-02 Noah Kasmanoff , Francisco Villaescusa-Navarro , Jeremy Tinker , Shirley Ho

We present new automatic methods of search for star clusters using the data available in new huge stellar catalogues. Using 2MASS catalogue we have discovered over ten new open clusters in the region of Galaxy anticenter and determined…

Astrophysics · Physics 2007-05-23 Sergey Koposov , Elena Glushkova , Ivan Zolotukhin

Supervised artificial neural networks are used to predict useful properties of galaxies in the Sloan Digital Sky Survey, in this instance morphological classifications, spectral types and redshifts. By giving the trained networks unseen…

Cloud Computing means a place where we can store our valuable information of data and access the computing and networking services following the pay-as-you-go method without a physical environment. In the present day, cloud computing offers…

Networking and Internet Architecture · Computer Science 2024-09-02 Rehnuma Tasnim , Afrin Akter Mim , Salman Hasan Mim , Md. Ismail Jabiullah

We explore how astronomers take observational data from telescopes, process them into usable scientific data products, curate them for later use, and reuse data for further inquiry. Astronomers have invested heavily in knowledge…

Instrumentation and Methods for Astrophysics · Physics 2021-09-07 Christine L. Borgman , Morgan F. Wofford

Indigenous Knowledge is important for Indigenous communities across the globe and for the advancement of our general scientific knowledge. In particular, Indigenous astronomical knowledge integrates many aspects of Indigenous Knowledge,…

The Asteroid Terrestrial-impact Last Alert System (ATLAS) is an all-sky optical sky survey with a cadence of 24 to 48 hours and the ATLAS Transient Server processes the alert stream to enable the discovery and follow-up of extra-galactic…

Instrumentation and Methods for Astrophysics · Physics 2025-06-10 Heloise F. Stevance , Jack Leland , Ken W. Smith

Hundreds of millions of network cameras have been installed throughout the world. Each is capable of providing a vast amount of real-time data. Analyzing the massive data generated by these cameras requires significant computational…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-21 Zohar Kapach , Andrew Ulmer , Daniel Merrick , Arshad Alikhan , Yung-Hsiang Lu , Anup Mohan , Ahmed S. Kaseb , George K. Thiruvathukal

We present the MULTIMODAL UNIVERSE, a large-scale multimodal dataset of scientific astronomical data, compiled specifically to facilitate machine learning research. Overall, the MULTIMODAL UNIVERSE contains hundreds of millions of…

We are developing automated systems to provide homogeneous calibration meta-data for heterogeneous imaging data, using the pixel content of the image alone where necessary. Standardized and complete calibration meta-data permit generative…

Astrophysics · Physics 2009-11-13 David W. Hogg , Dustin Lang