Results 11 to 20 of about 27,118,143 (254)
Survey of Object-Based Data Reduction Techniques in Observational Astronomy
Open Physics, 2016 Dealing with astronomical observations represents one of the most challenging areas of big data analytics. Besides huge variety of data types, dynamics related to continuous data flow from multiple sources, handling enormous volumes of data is essential.
Łukasik Szymon +5 more
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A Model Estimator for Noisy Compact Emission Recovery in Radio Synthesis Imaging
The Astronomical Journal, 2023 Reconstruction of a noisy compact emission must consider not only the point-spread function but also the effect of noise. However, the traditional threshold method in widely-used CLEAN-based algorithms finds it difficult to effectively prevent noise in ...
L. Zhang, M. Zhang, B. Wang
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CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results
The Astrophysical Journal Letters, 2023 We present the data release and data reduction process for the Epoch 1 NIRCam observations for the Cosmic Evolution Early Release Science Survey (CEERS). These data consist of NIRCam imaging in six broadband filters (F115W, F150W, F200W, F277W, F356W and
Micaela B. Bagley +39 more
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Tutorial guide to X-ray and gamma-ray astronomy: data reduction and analysis
, 2020 This book provides a comprehensive introduction to X-ray and gamma-ray astronomy. The first part discusses the basic theoretical and observational topics related to black hole astrophysics; the optics and the detectors employed in X-ray and gamma-ray ...
Bambi, Cosimo
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The Dark Energy Camera Plane Survey 2 (DECaPS2): More Sky, Less Bias, and Better Uncertainties
The Astrophysical Journal Supplement Series, 2023 Deep optical and near-infrared imaging of the entire Galactic plane is essential for understanding our Galaxy’s stars, gas, and dust. The second data release of the Dark Energy Camera (DECam) Plane Survey extends the five-band optical and near-infrared ...
Andrew K. Saydjari +12 more
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Open skies: the National Radio Astronomy Observatory and its impact on US radio astronomy [PDF]
, 2020 This open access book on the history of the National Radio Astronomy Observatory covers the scientific discoveries and technical innovations of late 20th century radio astronomy with particular attention to the people and institutions involved.
Kellermann, Kenneth I. +5 more
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Improved Measurements of the IXPE Crab Polarization
The Astrophysical Journal, 2023 X-ray polarization from the Imaging X-ray Polarimetry Explorer (IXPE) provides an important new probe of the geometry of the pulsar emission zone and of particle acceleration in the surrounding pulsar wind nebula.
Josephine Wong +2 more
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The Astrophysical Journal, 2023 Diffuse interstellar bands (DIBs) are broad absorption features associated with interstellar dust and can serve as chemical and kinematic tracers.
Andrew K. Saydjari +4 more
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Automated SpectroPhotometric Image REDuction (ASPIRED)
The Astronomical Journal, 2023 We provide a suite of public open-source spectral data-reduction software to rapidly obtain scientific products from all forms of long-slit-like spectroscopic observations.
Marco C. Lam +5 more
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Joe Pawsey and the Founding of Australian Radio Astronomy [PDF]
, 2023 This open access book is a biography of Joseph L. Pawsey. It examines not only his life but the birth and growth of the field of radio astronomy and the state of science itself in twentieth century Australia.
Ekers, Ronald D. +2 more
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