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Digital Access to a Sky Century @ Harvard (DASCH) is a project to digitize the collection of approximately 525,000 astronomical plates held at the Harvard College Observatory. This paper presents an overview of the DASCH data processing…

Instrumentation and Methods for Astrophysics · Physics 2011-02-25 Edward Los , Jonathan Grindlay , Sumin Tang , Mathieu Servillat , Silas Laycock

We present the design and implementation of an automated data calibration and reduction pipeline for very-long-baseline interferometric (VLBI) observations taken at millimeter wavelengths. These short radio-wavelengths provide the best…

The ALMACAL survey is based on a database of reprocessed ALMA calibration scans suitable for scientific analysis, observed as part of regular PI observations. We present all the data accumulated from the start of ALMA operations until May…

The Helioseismic and Magnetic Imager onboard the Solar Dynamics Observatory (SDO/HMI) provides continuous full-disk observations of solar oscillations. We develop a data-analysis pipeline based on the time-distance helioseismology method to…

Solar and Stellar Astrophysics · Physics 2015-05-27 J. Zhao , S. Couvidat , R. S. Bogart , K. V. Parchevsky , A. C. Birch , T. L. Duvall , J. G. Beck , A. G. Kosovichev , P. H. Scherrer

The rapid evolution of wearable technologies, such as AR glasses, demands compact, energy-efficient sensors capable of high-precision measurements in dynamic environments. Traditional Frequency-Modulated Continuous Wave (FMCW) Laser…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Alexander Zimmer , Johannes Meyer , Enkelejda Kasneci

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

We present a simulation experiment of a pipeline based on machine learning algorithms for neutral hydrogen (HI) intensity mapping (IM) surveys with different telescopes. The simulation is conducted on HI signals, foreground emission,…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Lin-Cheng Li , Yuan-Gen Wang

The SPIRE Fourier Transform Spectrometer on board the Herschel Space Observatory had two standard spectral resolution modes for science observations: high resolution (HR) and low resolution (LR), which could also be performed in sequence…

Instrumentation and Methods for Astrophysics · Physics 2016-11-23 N. Marchili , R. Hopwood , T. Fulton , E. T. Polehampton , I. Valtchanov , J. Zaretski , D. A. Naylor , M. J. Griffin , P. Imhof , T. Lim , N. Lu , G. Makiwa , C. Pearson , L. Spencer

We describe the software requirement and design specifications for all-sky panoramic astronomical pipelines. The described software aims to meet the specific needs of super-wide angle optics, and includes cosmic-ray hit rejection, image…

Astrophysics · Physics 2009-11-13 Lior Shamir , Robert J. Nemiroff , David O. Torrey , Wellesley E. Pereira

We present an end-to-end simulation and data-processing framework for digital beamforming experiments conducted with four stations of the 21 Centimeter Array (21CMA). Motivated by the need to characterize instrumental systematics, such as…

Instrumentation and Methods for Astrophysics · Physics 2026-03-04 Feiyu Zhao , Quan Guo , Junhua Gu , Qian Zheng , Yan Huang , Yun Yu

The newly installed Silmaril beam combiner at the CHARA array is designed to observe previously inaccessible faint targets, including Active Galactic Nuclei and T-Tauri Young Stellar Objects. Silmaril leverages cutting-edge optical design,…

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

As several large single-dish radio surveys begin operation within the coming decade, a wealth of radio data will become available and provide a new window to the Universe. In order to fully exploit the potential of these data sets, it is…

Instrumentation and Methods for Astrophysics · Physics 2017-01-16 Joel Akeret , Sebastian Seehars , Chihway Chang , Christian Monstein , Adam Amara , Alexandre Refregier

This paper provides an overview of the Low Frequency Instrument (LFI) programme within the ESA Planck mission. The LFI instrument has been developed to produce high precision maps of the microwave sky at frequencies in the range 27-77 GHz,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 N. Mandolesi , M. Bersanelli , R. C. Butler , E. Artal , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , M. Bartelmann , K. Bennett , P. Bhandari , A. Bonaldi , J. Borrill , M. Bremer , C. Burigana , R. C. Bowman , P. Cabella , C. Cantalupo , B. Cappellini , T. Courvoisier , G. Crone , F. Cuttaia , L. Danese , O. D'Arcangelo , R. D. Davies , R. J. Davis , L. De Angelis , G. de Gasperis , A. De Rosa , G. De Troia , G. de Zotti , J. Dick , C. Dickinson , J. M. Diego , S. Donzelli , U. Dörl , X. Dupac , T. A. Enßlin , H. K. Eriksen , M. C. Falvella , F. Finelli , M. Frailis , E. Franceschi , T. Gaier , S. Galeotta , F. Gasparo , G. Giardino , F. Gomez , J. Gonzalez-Nuevo , K. M. Górski , A. Gregorio , A. Gruppuso , F. Hansen , R. Hell , D. Herranz , J. M. Herreros , S. Hildebrandt , W. Hovest , R. Hoyland , K. Huffenberger , M. Janssen , T. Jaffe , E. Keihänen , R. Keskitalo , T. Kisner , H. Kurki-Suonio , A. Lähteenmäki , C. R. Lawrence , S. M. Leach , J. P. Leahy , R. Leonardi , S. Levin , P. B. Lilje , M. López-Caniego , S. R. Lowe , P. M. Lubin , D. Maino , M. Malaspina , M. Maris , J. Marti-Canales , E. Martinez-Gonzalez , M. Massardi , S. Matarrese , F. Matthai , P. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , G. Morgante , G. Morigi , N. Morisset , A. Moss , A. Nash , P. Natoli , R. Nesti , C. Paine , B. Partridge , F. Pasian , T. Passvogel , D. Pearson , L. Pérez-Cuevas , F. Perrotta , G. Polenta , L. A. Popa , T. Poutanen , G. Prezeau , M. Prina , J. P. Rachen , R. Rebolo , M. Reinecke , S. Ricciardi , T. Riller , G. Rocha , N. Roddis , R. Rohlfs , J. A. Rubiño-Martin , E. Salerno , M. Sandri , D. Scott , M. Seiffert , J. Silk , A. Simonetto , G. F. Smoot , C. Sozzi , J. Sternberg , F. Stivoli , L. Stringhetti , J. Tauber , L. Terenzi , M. Tomasi , J. Tuovinen , M. Türler , L. Valenziano , J. Varis , P. Vielva , F. Villa , N. Vittorio , L. Wade , M. White , S. White , A. Wilkinson , A. Zacchei , A. Zonca

Radio interferometry is an observational technique used to study astrophysical phenomena. Data gathered by an interferometer requires substantial processing before astronomers can extract the scientific information from it. Data processing…

Instrumentation and Methods for Astrophysics · Physics 2024-12-24 Brian M. Kirk , Urvashi Rau , Ramyaa Ramyaa

The Polarimetric and Helioseismic Imager (PHI) is the first deep-space solar spectropolarimeter, on-board the Solar Orbiter (SO) space mission. It faces: stringent requirements on science data accuracy, a dynamic environment, and severe…

We describe the production and verification of sky maps of the five SPIRE fields observed as part of the Herschel Multi-tiered Extragalactic Survey (HerMES) during the Science Demonstration Phase (SDP) of the Herschel mission. We have…

We describe the data processing pipeline developed to reduce the pointing observation data of Lunar-based Ultraviolet Telescope (LUT), which belongs to the Chang'e-3 mission of the Chinese Lunar Exploration Program. The pointing observation…

Instrumentation and Methods for Astrophysics · Physics 2015-08-19 Xian-Min Meng , Li Cao , Yu-Lei Qiu , Chao Wu , Jing Wang , Xu-Hui Han , Jin-Song Deng , Li-Ping Xin , Hong-Bo Cai , Jian-Yan Wei

Accurate flux density calibration is essential for precise analysis and interpretation of observations across different observation modes and instruments. In this research, we firstly introduce the flux calibration model incorporated in…

Instrumentation and Methods for Astrophysics · Physics 2024-09-04 Ziming Liu , Jie Wang , Yingjie Jing , Zhi-Yu Zhang , Chen Xu , Tiantian Liang , Qingze Chen , Ningyu Tang , Qingliang Yang

The Planck Low Frequency Instrument (LFI) will observe the Cosmic Microwave Background (CMB) by covering the frequency range 30-70 GHz in three bands. The primary instrument data source are the temperature samples acquired by the 22…