Results 11 to 20 of about 206,857 (160)

The e-MERLIN Data Reduction Pipeline [PDF]

open access: yesJournal of Open Research Software, 2015
Written in Python and utilising ParselTongue to interface with the Astronomical Image Processing System (AIPS), the e-MERLIN data reduction pipeline is intended to automate the procedures required in processing and calibrating radio astronomy data from ...
Megan Kirsty Argo
doaj   +5 more sources

The software for the robotization of the TROBAR telescope [PDF]

open access: yes, 2009
The Telescopi ROBotic de ARas (TROBAR) is a new robotic facility built at Aras de Los Olmos (Valencia-Spain). This is a 60cm telescope equipped with a 4kx4k optical camera, corresponding to 30x30 arcmin2 FoV, and it will be primarily used for a ...
Stefanon, Mauro
core   +3 more sources

The Global sphere reconstruction (GSR) - Demonstrating an independent implementation of the astrometric core solution for Gaia [PDF]

open access: yes, 2018
Context. The Gaia ESA mission will estimate the astrometric and physical data of more than one billion objects, providing the largest and most precise catalog of absolute astrometry in the history of Astronomy.
Abbas, Ummi   +8 more
core   +2 more sources

Adaptive Real Time Imaging Synthesis Telescopes [PDF]

open access: yes, 2012
The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array (SKA) will measure
Wright, Melvyn
core   +2 more sources

The VVDS data reduction pipeline: introducing VIPGI, the VIMOS Interactive Pipeline and Graphical Interface [PDF]

open access: yes, 2004
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.
A. Cappi   +42 more
core   +5 more sources

Intermediate Palomar Transient Factory: Realtime Image Subtraction Pipeline [PDF]

open access: yes, 2016
A fast-turnaround pipeline for realtime data reduction plays an essential role in discovering and permitting follow-up observations to young supernovae and fast-evolving transients in modern time-domain surveys.
Cao, Yi   +2 more
core   +2 more sources

Data reduction methods for single-mode optical interferometry - Application to the VLTI two-telescopes beam combiner VINCI [PDF]

open access: yes, 2004
The interferometric data processing methods that we describe in this paper use a number of innovative techniques. In particular, the implementation of the wavelet transform allows us to obtain a good immunity of the fringe processing to false detections ...
Berger   +32 more
core   +1 more source

Reliable random error estimation in the measurement of line-strength indices [PDF]

open access: yes, 1997
We present a new set of accurate formulae for the computation of random errors in the measurement of atomic and molecular indices. The new expressions are in excellent agreement with numerical simulations.
Cardiel, N.   +3 more
core   +2 more sources

Quasar Properties from the Sloan Digital Sky Survey. III. The Quasars Obtained by the SDSS-IV

open access: yesThe Astrophysical Journal Supplement Series, 2023
This paper provides the compilations of properties of the quasars newly obtained by the Sloan Digital Sky Survey (SDSS) during the fourth stage (SDSS-IV). The catalog is available on the journal's website. We have measured the main properties of emission
Wei-Rong Huang   +3 more
doaj   +1 more source

Recent advances in directional statistics [PDF]

open access: yes, 2020
Mainstream statistical methodology is generally applicable to data observed in Euclidean space. There are, however, numerous contexts of considerable scientific interest in which the natural supports for the data under consideration are Riemannian ...
García-Portugués, Eduardo   +1 more
core   +2 more sources

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