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200 papers

The NASA Transiting Exoplanet Survey Satellite (TESS) is observing tens of millions of stars with time spans ranging from $\sim$ 27 days to about 1 year of continuous observations. This vast amount of data contains a wealth of information…

Category-level object pose estimation involves estimating the 6D pose and the 3D metric size of objects from predetermined categories. While recent approaches take categorical shape prior information as reference to improve pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Lei Zhou , Zhiyang Liu , Runze Gan , Haozhe Wang , Marcelo H. Ang

We present high precision CCD photometry of 1791 objects in 20 open clusters with an age from 10 Myr to 1 Gyr. These observations were performed within the Delta a photometric system which is primarily used to detect chemically peculiar…

Astrophysics · Physics 2009-11-10 E. Paunzen , K. Zwintz , H. M. Maitzen , O. I. Pintado , M. Rode-Paunzen

We present the phase one report of the Bright Star Subtraction (BSS) pipeline for the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST). This pipeline is designed to create an extended PSF model by utilizing observed stars,…

Instrumentation and Methods for Astrophysics · Physics 2024-08-09 Amir E. Bazkiaei , Lee S. Kelvin , Sarah Brough , Simon J. O'Toole , Aaron Watkins , Morgan A. Schmitz

Observations from the Heliospheric Imagers (HI-1) on both the STEREO spacecraft have been analysed to search for very long period large amplitude stellar variability, finding 6 new candidates. A total of 85 objects, mostly previously known…

Solar and Stellar Astrophysics · Physics 2015-06-05 K. T. Wraight , D. Bewsher , Glenn J. White , W. Nowotny , A. J. Norton , C. Paladini

The VIMOS VLT Deep Survey (VVDS), designed to measure 150,000 galaxy redshifts, requires a dedicated data reduction and analysis pipeline to process in a timely fashion the large amount of spectroscopic data being produced. This requirement…

This is the first of a series of papers presenting the THROES (A caTalogue of HeRschel Observations of Evolved Stars) project, intended to provide a comprehensive overview of the spectroscopic results obtained in the far-infrared (55-670…

Solar and Stellar Astrophysics · Physics 2018-04-04 J. Ramos-Medina , C. Sánchez Contreras , P. García-Lario , C. Rodrigo , J. da Silva Santos , E. Solano

We present the data reduction procedures being used by the GALAH survey, carried out with the HERMES fibre-fed, multi-object spectrograph on the 3.9~m Anglo-Australian Telescope. GALAH is a unique survey, targeting 1 million stars brighter…

Detecting small objects over large areas remains a significant challenge in satellite imagery analytics. Among the challenges is the sheer number of pixels and geographical extent per image: a single DigitalGlobe satellite image encompasses…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Adam Van Etten

We study the optical variability of the peculiar Galactic source SS 433 using the observations made with the Russian Turkish 1.5-m telescope (RTT150). A simple technique which allows to obtain high-quality photometric measurements with…

High Energy Astrophysical Phenomena · Physics 2015-05-27 R. A. Burenin , M. G. Revnivtsev , I. M. Khamitov , I. F. Bikmaev , A. S. Nosov , M. N. Pavlinsky , R. A. Sunyaev

Nuclear material deposited in equipment, transfer lines, and ventilation systems of a processing facility is usually referred to as holdup. In this work, we propose to use an array of detectors co-axial to the inspected pipe to measure the…

Instrumentation and Detectors · Physics 2020-12-29 N. Rebei , M. Fang , A. Di Fulvio

The US National Park Service (NPS) assesses the night sky quality over parks by capturing a series of overlapping images to obtain a mosaic view of the entire night sky. The NPS Night Skies Program has integrated a sequence of scripts and…

Instrumentation and Methods for Astrophysics · Physics 2018-11-06 Li-Wei Hung , Davyd Betchkal , Sharolyn J. Anderson , Damon Joyce

The Pristine survey is a narrow-band, photometric survey focused around the wavelength region of the Ca II H & K absorption lines, designed to efficiently search for extremely metal-poor stars. In this work, we use the first results of a…

We develop a method of analyzing radio frequency spectral line observations to derive data on the temperature, density, velocity, and molecular abundance of the emitting gas. The method incorporates a radiative transfer code with a new…

Astrophysics · Physics 2009-11-10 Eric Keto , George B. Rybicki , Edwin A. Bergin , Rene Plume

The production of science-ready data from major solar telescopes requires expertise beyond that of the typical observer. This is a consequence of the increasing complexity of instruments and observing sequences, which require calibrations…

Solar and Stellar Astrophysics · Physics 2014-12-17 J. de la Cruz Rodríguez , M. Löfdahl , P. Sütterlin , T. Hillberg , L. Rouppe van der Voort

The upcoming Square Kilometer Array (SKA) is expected to produce humongous amount of data for undertaking H{\sc i}~science. We have developed an MPI-based {\sc Python} pipeline to deal with the large data efficiently with the present…

Instrumentation and Methods for Astrophysics · Physics 2022-12-28 Abinash Kumar Shaw , Manoj Jagannath , Aishrila Mazumder , Arnab Chakraborty , Narendra Nath Patra , Rajesh Mondal , Samir Choudhuri

Large-scale stellar surveys, such as SDSS-V, 4MOST, WEAVE, and PLATO, require accurate atmospheric models and synthetic spectra of stars for accurate analyses of fundamental stellar parameters and chemical abundances. The primary goal of…

Solar and Stellar Astrophysics · Physics 2024-07-15 Philipp Eitner , Maria Bergemann , Richard Hoppe , Åke Nordlund , Bertrand Plez , Jonas Klevas

We present a convenient, all-in-one framework for the scientific analysis of fully reduced, (integral-field) spectroscopic data. The GIST pipeline (Galaxy IFU Spectroscopy Tool) is entirely written in Python3 and conducts all steps from the…

A data analysis pipeline is a structured sequence of steps that transforms raw data into meaningful insights by integrating multiple analysis algorithms. In many practical applications, analytical findings are obtained only after data pass…

Machine Learning · Statistics 2026-05-04 Yugo Miyata , Tomohiro Shiraishi , Shuichi Nishino , Ichiro Takeuchi
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