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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 global climate crisis poses new risks to humanity, and with them, new challenges to the practices of professional astronomy. Avoiding the more catastrophic consequences of global warming by more than 1.5 degrees requires an immediate…

Perhaps more than other physical sciences, astronomy is frequently statistical in nature. The objects under study are inaccessible to direct manipulation in the laboratory, so the astronomer is restricted to observing a few external…

Instrumentation and Methods for Astrophysics · Physics 2009-03-04 Eric D. Feigelson

Upcoming and future astronomy research facilities will systematically generate terabyte-sized data sets moving astronomy into the Petascale data era. While such facilities will provide astronomers with unprecedented levels of accuracy and…

Instrumentation and Methods for Astrophysics · Physics 2011-11-30 A. H. Hassan , C. J. Fluke , D. G. Barnes

Astronomy has always been at the forefront of information technology, moving from the era of photographic plates, to digital snapshots and now to digital movies of the sky. This has brought about a data explosion with multi- terabyte…

Instrumentation and Methods for Astrophysics · Physics 2012-01-06 Ashish Mahabal , Ajit Kembhavi , Roy Williams , Sharmad Navelkar

Recent developments in the industry of personal computing led to a greater number of the so-called edge devices. Such devices typically do not collaborate or foresee the possibility of collaboration to offer aggregated storage and computing…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-17 R. Copstein , F. Dotti

Simulations of dense stellar systems currently face two major hurdles, one astrophysical and one computational. The astrophysical problem lies in the fact that several major stages in binary evolution, such as common envelope evolution, are…

Astrophysics · Physics 2007-05-23 Piet Hut

The answers to fundamental science questions in astrophysics, ranging from the history of the expansion of the universe to the sizes of nearby stars, hinge on our ability to make precise measurements of diverse astronomical objects. As our…

In 2020, ~60PB of archived data will be accessible to the astronomers. But to analyze such a paramount data will be a challenging task. This is basically due to the computational model used to download the data from complex geographically…

Instrumentation and Methods for Astrophysics · Physics 2018-11-16 Aruna Govada , Sanjay K. Sahay

Astronomy is entering a new era as multiple, large area, digital sky surveys are in production. The resulting datasets are truly remarkable in their own right; however, a revolutionary step arises in the aggregation of complimentary…

Astrophysics · Physics 2007-05-23 A. S. Szalay , R. J. Brunner

Astronomy produces extremely large data sets from ground-based telescopes, space missions, and simulation. The volume and complexity of these rich data sets require new approaches and advanced tools to understand the information contained…

Instrumentation and Methods for Astrophysics · Physics 2014-02-25 Demitri Muna , Eric Huff

Driven by the vision of ubiquitous connectivity and wireless intelligence, the evolution of ultra-dense constellation-based satellite-integrated Internet is underway, now taking preliminary shape. Nevertheless, the entrenched institutional…

In the last decade a new generation of telescopes and sensors has allowed the production of a very large amount of data and astronomy has become, a data-rich science; this transition is often labeled as: "data revolution" and "data…

Instrumentation and Methods for Astrophysics · Physics 2013-04-25 Stefano Cavuoti

The Grist project (http://grist.caltech.edu/) is developing a grid-technology based system as a research environment for astronomy with massive and complex datasets. This knowledge extraction system will consist of a library of distributed…

Astronomers are good at sharing data, but poorer at sharing knowledge. Almost all astronomical data ends up in open archives, and access to these is being simplified by the development of the global Virtual Observatory (VO). This is a great…

Instrumentation and Methods for Astrophysics · Physics 2011-11-29 Norman Gray , Robert G Mann , Dave Morris , Mark Holliman , Keith Noddle

The techniques most extensively used to retrieve interesting data from data-sets are the Skyline and the Top-k queries. Sadly, they are not enough for facing modern problems, so the needing of something more usable and reliable has come. In…

Databases · Computer Science 2022-02-23 Giuseppe Montanaro

The science investigation teams (SITs) for the WFIRST coronagraphic instrument have begun studying the capabilities of the instrument to directly image reflected light off from exoplanets at contrasts down to contrasts of ~10^-9 with…

Instrumentation and Methods for Astrophysics · Physics 2017-06-12 Rahul Patel , Rafael Millan-Gabet , John Krist , Charles Beichman

Satellite image time series (SITS) segmentation is crucial for many applications like environmental monitoring, land cover mapping and agricultural crop type classification. However, training models for SITS segmentation remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Jayanth Shenoy , Xingjian Davis Zhang , Shlok Mehrotra , Bill Tao , Rem Yang , Han Zhao , Deepak Vasisht

Astronomy is entering in a new era of Extreme Intensive Data Computation and we have identified three major issues the new generation of projects have to face: Resource optimization, Heterogeneous Software Ecosystem and Data Transfer. We…

Instrumentation and Methods for Astrophysics · Physics 2012-12-11 Nicolas Kamennoff , Sébastien Foucaud , Sébastien Reybier

Nature is infinitely resolution-free. In the context of this reality, existing diffusion models, such as Diffusion Transformers, often face challenges when processing image resolutions outside of their trained domain. To overcome this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zeyu Lu , Zidong Wang , Di Huang , Chengyue Wu , Xihui Liu , Wanli Ouyang , Lei Bai