English
Related papers

Related papers: The sky at one terabit per second: Architecture an…

200 papers

New mass-produced, wide-field, small-aperture telescopes have the potential to revolutionize ground-based astronomy by greatly reducing the cost of collecting area. In this paper, we introduce a new class of large telescope based on these…

The Argus Optical Array will be the first all-sky, arcsecond-resolution, 5-m class telescope. The 55 GPix Array, currently being prototyped, will consist of 900 telescopes with 61 MPix very-low-noise CMOS detectors enabling sub-second…

Instrumentation and Methods for Astrophysics · Physics 2022-08-01 Nicholas Law , Alan Vasquez Soto , Hank Corbett , Nathan Galliher , Ramses Gonzalez , Lawrence Machia , Glenn Walters

Recent advancements in low-cost astronomical equipment, including high-quality medium-aperture telescopes and low-noise CMOS detectors, have made the deployment of large optical telescope arrays both financially feasible and scientifically…

Instrumentation and Methods for Astrophysics · Physics 2022-08-19 Nathan W. Galliher , Nicholas M. Law , Hank Corbett , Ramses Gonzalez , Lawrence Machia , Alan Vasquez Soto

The Large Array Survey Telescope (LAST) is a wide-field telescope designed to explore the variable and transient sky with a high cadence and to be a test-bed for cost-effective telescope design. A LAST node is composed of 48 (32 already…

We present a high-performance, graphics processing unit (GPU)-based framework for the efficient analysis and visualization of (nearly) terabyte (TB)-sized 3-dimensional images. Using a cluster of 96 GPUs, we demonstrate for a 0.5 TB image:…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 A. H. Hassan , C. J. Fluke , D. G. Barnes , V. A. Kilborn

Context. The Large Array Survey Telescope (LAST) is a wide-field visual-band survey designed to explore the variable and transient sky with high cadence. Its raw data stream is automatically processed in near real time at the observatory…

The Array Camera for Optical to Near-IR Spectrophotometry, or ARCONS, is a camera based on Microwave Kinetic Inductance Detectors (MKIDs), a new technology that has the potential for broad application in astronomy. Using an array of MKIDs,…

Instrumentation and Methods for Astrophysics · Physics 2015-08-06 J. C. van Eyken , M. J. Strader , A. B. Walter , S. R. Meeker , P. Szypryt , C. Stoughton , K. O'Brien , D. Marsden , N. K. Rice , Y. Lin , B. A. Mazin

Astronomical photometry is the science of measuring the flux of a celestial object. Since its introduction, the CCD has been the principle method of measuring flux to calculate the apparent magnitude of an object. Each CCD image taken must…

Instrumentation and Methods for Astrophysics · Physics 2015-02-11 Paul Doyle

The Large Synoptic Survey Telescope (LSST) is an ambitious astronomical survey with a similarly ambitious Data Management component. Data Management for LSST includes processing on both nightly and yearly cadences to generate transient…

The challenge to fully exploit the potential of existing and upcoming scientific instruments like large single-dish radio telescopes is to process the collected massive data effectively and efficiently. As a "quasi 2D stencil computation"…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-12 Hao Wang , Ce Yu , Jian Xiao , Shanjiang Tang , Min Long , Ming Zhu

Overlapping cameras offer exciting opportunities to view a scene from different angles, allowing for more advanced, comprehensive and robust analysis. However, existing visual analytics systems for multi-camera streams are mostly limited to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Chulhong Min , Juheon Yi , Utku Gunay Acer , Fahim Kawsar

Scientific exploitation of the ever increasing volumes of astronomical data requires efficient and practical methods for data access, visualisation, and analysis. Hierarchical sky tessellation techniques enable a multi-resolution approach…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 P. Fernique , M. G. Allen , T. Boch , A. Oberto , F-X. Pineau , D. Durand , C. Bot , L. Cambresy , S. Derriere , F. Genova , F. Bonnarel

The Galactic O-Star Spectroscopic Survey (GOSSS) is an ambitious project that is observing all known Galactic O stars with B < 13 in the blue-violet part of the spectrum with R-2500. It is based on version 2 of the most complete catalog to…

Instrumentation and Methods for Astrophysics · Physics 2011-01-19 Alfredo Sota , Jesús Maíz Apellániz

AEROS is a 3U CubeSat pathfinder toward a future ocean-observing constellation, targeting the Portuguese Atlantic region. AEROS features a miniaturized, high-resolution Hyperspectral Imager (HSI), a 5MP RGB camera, and a Software Defined…

The Hector Galaxy Survey is a new optical integral field spectroscopy (IFS) survey currently using the AAT to observe up to 15,000 galaxies at low redshift ($z < 0.1$). The Hector instrument employs 21 optical fibre bundles feeding into two…

3D visualization is an important data analysis and knowledge discovery tool, however, interactive visualization of large 3D astronomical datasets poses a challenge for many existing data visualization packages. We present a solution to…

Instrumentation and Methods for Astrophysics · Physics 2010-09-21 A. H. Hassan , C. J. Fluke , D. G. Barnes

The 24 micron array on board the Spitzer Space Telescope is one of three arrays in the Multi-band Imaging Photometer for Spitzer (MIPS) instrument. It provides 5.3 x 5.3 arcmin images at a scale of ~2.5 arcsec per pixel corresponding to…

In the coming decade, astronomical surveys of the sky will generate tens of terabytes of images and detect hundreds of millions of sources every night. The study of these sources will involve computation challenges such as anomaly detection…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-20 Keith Wiley , Andrew Connolly , Jeff Gardner , Simon Krughof , Magdalena Balazinska , Bill Howe , YongChul Kwon , YingYi Bu

Graph stream summarization refers to the process of processing a continuous stream of edges that form a rapidly evolving graph. The primary challenges in handling graph streams include the impracticality of fully storing the ever-growing…

Databases · Computer Science 2024-12-23 Xuan Zhao , Xike Xie , Christian S. Jensen
‹ Prev 1 2 3 10 Next ›