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The large-scale analysis task of deciphering gravitational wave signals in the LISA data stream will be difficult, requiring a large amount of computational resources and extensive development of computational methods. Its high…

General Relativity and Quantum Cosmology · Physics 2024-12-12 Michael L. Katz , Nikolaos Karnesis , Natalia Korsakova , Jonathan R. Gair , Nikolaos Stergioulas

The Arecibo Legacy Fast ALFA (ALFALFA) Survey is a program aimed at obtaining a census of HI-bearing objects over a cosmologically significant volume of the local Universe. It will cover 7074 square degrees of the high latitude sky…

Astrophysics · Physics 2010-11-11 Riccardo Giovanelli

The central regions of the Milky Way constitute a unique laboratory for a wide swath of astrophysical studies, consequently the inner $\sim$400 pc has been the target of numerous large surveys at all accessible wavelengths. In this paper we…

Similarity search is a fundamental operation for analyzing data series (DS), which are ordered sequences of real values. To enhance efficiency, summarization techniques are employed that reduce the dimensionality of DS. SAX-based approaches…

Databases · Computer Science 2024-12-04 Patrick Schäfer , Jakob Brand , Ulf Leser , Botao Peng , Themis Palpanas

We describe the design and implementation of an extremely scalable real-time RFI mitigation method, based on the offline AOFlagger. All algorithms scale linearly in the number of samples. We describe how we implemented the flagger in the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-31 Rob V. van Nieuwpoort

We present a Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) study of the nearby ($v_{\rm sys}$ = 915 km s$^{-1}$) spiral galaxy IC 5201 using the Australian Square Kilometre Array Pathfinder (ASKAP). IC 5201 is a blue, barred…

The Arecibo Legacy Fast ALFA (ALFALFA) survey is a second generation blind extragalactic HI survey currently in progess which is exploiting Arecibo's superior sensitivity, angular resolution and digital technology to derive a census of the…

Astrophysics · Physics 2009-11-13 Martha P. Haynes

We present SIPGI, a spectroscopic pipeline to reduce optical/near-infrared data from slit-based spectrographs. SIPGI is a complete spectroscopic data reduction environment which retains the high level of flexibility and accuracy typical of…

Instrumentation and Methods for Astrophysics · Physics 2022-09-13 A. Gargiulo , M. Fumana , S. Bisogni , P. Franzetti , L. P. Cassarà , B. Garilli , M. Scodeggio , G. Vietri

The recently initiated Arecibo Legacy Fast ALFA (ALFALFA) survey aims to map 7000 square degrees of the high galactic latitude sky visible from Arecibo, providing a HI line spectral database covering the redshift range between -1600 km/s…

Astrophysics · Physics 2008-11-26 Riccardo Giovanelli , Martha P. Haynes , Brian R. Kent

The survey speed of ASKAP makes it a prime instrument with which to survey the HI universe, enabling it to carry out both wide surveys of the entire sky, as well as deep surveys covering cosmologically representative volumes. Here, the use…

Cosmology and Nongalactic Astrophysics · Physics 2009-12-14 Martin Meyer

The Arecibo Legacy Fast ALFA (ALFALFA) survey is an on-going second generation blind extragalactic HI survey exploiting Arecibo's superior sensitivity, angular resolution and digital technology to conduct a census of the local HI universe…

Astrophysics · Physics 2007-08-21 Martha P. Haynes

Motivation: Flow Injection Analysis coupled to High-Resolution Mass Spectrometry (FIA-HRMS) is a promising approach for high-throughput metabolomics. FIA-HRMS data, however, cannot be preprocessed with current software tools which rely on…

Quantitative Methods · Quantitative Biology 2017-08-15 Alexis Delabrière , Ulli Hohenester , Benoit Colsch , Christophe Junot , François Fenaille , Etienne Thévenot

We describe an F-statistic search for continuous gravitational waves from galactic white-dwarf binaries in simulated LISA Data. Our search method employs a hierarchical template-grid based exploration of the parameter space. In the first…

General Relativity and Quantum Cosmology · Physics 2010-02-19 John T. Whelan , Reinhard Prix , Deepak Khurana

The B5G/6G evolution relies on connect-compute technologies and highly heterogeneous clusters with HW accelerators, which require specialized coding to be efficiently utilized. The current paper proposes a custom tool for generating…

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne astronomical observatory comprised of a 2.5 meter infrared telescope mounted in the aft section of a Boeing 747SP aircraft that flies at operational altitudes…

Instrumentation and Methods for Astrophysics · Physics 2013-09-27 R. Y. Shuping , William D. Vacca , Lan Lin , Li Sun , Robert Krzaczek

We present Cobaya, a general-purpose Bayesian analysis code aimed at models with complex internal interdependencies. Without the need for specific code by the user, interdependencies between different stages of a model pipeline are…

Instrumentation and Methods for Astrophysics · Physics 2021-05-24 Jesus Torrado , Antony Lewis

Context. Source extraction for large-scale HI surveys currently involves large amounts of manual labor. For data volumes expected from future HI surveys with upcoming facilities, this approach is not feasible any longer. Aims. We describe…

Instrumentation and Methods for Astrophysics · Physics 2014-10-01 Lars Flöer , Benjamin Winkel , Jürgen Kerp

The process of determining the number and characteristics of sources in astronomical images is so fundamental to a large range of astronomical problems that it is perhaps surprising that no standard procedure has ever been defined that has…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Minh Huynh , Andrew Hopkins , Ray Norris , Paul Hancock , Tara Murphy , Russell Jurek , Matthew Whiting

This is a model-independent analysis that investigates the statistical isotropy in the Local Universe using the ALFALFA survey data ($0 < z < 0.06$). We investigate the angular distribution of HI extra-galactic sources from the ALFALFA…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-07 Camila Franco , Felipe Avila , Armando Bernui

The Gaia mission will have a profound impact on our understanding of the structure and dynamics of the Milky Way. Gaia is providing an exhaustive census of stellar parallaxes, proper motions, positions, colors and radial velocities, but…

Instrumentation and Methods for Astrophysics · Physics 2016-10-19 Carlos Allende Prieto