Results 21 to 30 of about 5,796,492 (306)
The Astrophysical Journal, 2023 The timing follow-up of newly discovered millisecond pulsars (MSPs) is hindered by the larger positional uncertainty (a few tens of arcminutes) associated with the discovery.
Shyam S. Sharma +5 more
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The Astrophysical Journal, 2022 In this work, we present polarization profiles for 23 millisecond pulsars observed at 820 and 1500 MHz with the Green Bank Telescope as part of the NANOGrav pulsar timing array.
H. M. Wahl +30 more
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A Method to Measure Photometries of Moderately Saturated UVOT Sources
The Astrophysical Journal Supplement Series, 2023 For bright transients such as gamma-ray bursts (GRBs), the Ultra-Violet/Optical Telescope (UVOT) operates under event mode at early phases, which records incident positions and the arrival time for each photon.
Hao Zhou +4 more
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The NASA Astrophysics Data System: Free Access to the Astronomical Literature On-Line and through Email [PDF]
, 2001 The Astrophysics Data System (ADS) provides access to the astronomical literature through the World Wide Web. It is a NASA funded project and access to all the ADS services is free to everybody world-wide.
Kurtz, Michael J. +4 more
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Analyzing astronomical data with machine learning techniques
Astronomical and Astrophysical Transactions, 2022 Classification is a popular task in the field of machine learning (ML) and artificial intelligence (AI), and it happens when outputs are categorical variables. There are a wide variety of models that attempt to draw some conclusions from observed values, so classification algorithms predict categorical class labels for use in classifying new data ...
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Some Astronomical Applications of Cross-Correlation Techniques. [PDF]
The Astrophysical Journal, 1965 Cross-correlation techniques have been used for many years to increase the signal-to-noise ratio of a wide variety of analogue and digital data. A large literature describing these methods exists, and many clever applications have been developed (see Fellgett 1953, and esp. Woodward 1955, for a basic mathematical development and applications).
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Astrometric Calibration and Performance of the Dark Energy Spectroscopic Instrument Focal Plane
The Astronomical Journal, 2023 The Dark Energy Spectroscopic Instrument, consisting of 5020 robotic fiber positioners and associated systems on the Mayall telescope at Kitt Peak, Arizona, is carrying out a survey to measure the spectra of 40 million galaxies and quasars and produce ...
S. Kent +48 more
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A Technology for Deblurring Astronomical Images [PDF]
, 2022 This paper focuses on a specific technology for deblurring astronomical images. Data are collected as digital matrices of image pixels. The technology reconstructs the object via computational manipulation of the blurred image.
Tidrick, Thomas H
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Snow Depth Variations Estimated from GPS-Reflectometry: A Case Study in Alaska from L2P SNR Data
Remote Sensing, 2016 Snow is a water resource and plays a significant role in the water cycle. However, traditional ground techniques for snow monitoring have many limitations, e.g., high-cost and low resolution. Recently, the new Global Positioning System-Reflectometry (GPS-
Shuanggen Jin +2 more
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Disorientasi Harmonisasi Rumah Tangga dalam Keluarga Muslim di Era Digital
Medina-Te, 2022 Islamic studies with an astronomical approach are interesting and important, because the history of the development of Muslims in religious practice cannot be separated from the astronomical field as well as advanced technology and also science.
Sarkowi Sarkowi +3 more
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