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Related papers: Data Reduction with the MIKE Spectrometer

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The Combined Array for Millimeter-wave Astronomy (CARMA) data reduction pipeline (CADRE) has been developed to give investigators a first look at a fully reduced set of their data. It runs automatically on all data produced by the telescope…

Instrumentation and Methods for Astrophysics · Physics 2013-09-24 D. N. Friedel

SOFIA presents a number of interesting challenges for the development of a data reduction environment which, at its initial phase, will have to incorporate pipelines from seven different instruments. Therefore, the SOFIA data reduction…

Instrumentation and Methods for Astrophysics · Physics 2015-03-17 M. V. Charcos-Llorens , R. Krzaczek , R. Y. Shuping , L. Lin

In preparing the way for the Square Kilometre Array and its pathfinders, there is a pressing need to begin probing the transient sky in a fully robotic fashion using the current generation of radio telescopes. Effective exploitation of such…

Instrumentation and Methods for Astrophysics · Physics 2015-08-26 Tim D. Staley , Gemma E. Anderson

ORAC-DR is a general purpose data reduction pipeline system designed to be instrument and observatory agnostic. The pipeline works with instruments as varied as infrared integral field units, imaging arrays and spectrographs, and…

Instrumentation and Methods for Astrophysics · Physics 2014-12-09 Tim Jenness , Frossie Economou

As part of an on-going effort to simplify the data analysis path for VLBI experiments, a pipeline procedure has been developed at JIVE to carry out much of the data reduction required for EVN experiments in an automated fashion. This…

Astrophysics · Physics 2016-08-30 C. Reynolds , Z. Paragi , M. Garrett

The Echelle Spectrograph and Imager (ESI) is a multipurpose instrument which has been delivered by the Instrument Development Laboratory of Lick Observatory for use at the Cassegrain focus of the Keck II telescope. ESI saw first light on…

Astrophysics · Physics 2015-06-24 A. I. Sheinis , J. Miller , M. Bolte , B. Sutin

We present PyWiFeS, a new Python-based data reduction pipeline for the Wide Field Spectrograph (WiFeS). PyWiFeS consists of a series of core data processing routines built on standard scientific Python packages commonly used in astronomical…

Instrumentation and Methods for Astrophysics · Physics 2013-11-13 Michael J. Childress , Frédéric P. A. Vogt , Jon Nielsen , Robert G. Sharp

Echelle spectrographs with their high resolution plays important role in determination of characteristics of stellar lines. Wide field of applications is focused mainly on the measurements of precise radial velocity applied in exoplanetary…

Instrumentation and Methods for Astrophysics · Physics 2016-02-16 Romana Grossová

We present a novel compression algorithm for reducing the storage of LiDAR sensor data streams. Our model exploits spatio-temporal relationships across multiple LiDAR sweeps to reduce the bitrate of both geometry and intensity values.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-12 Sourav Biswas , Jerry Liu , Kelvin Wong , Shenlong Wang , Raquel Urtasun

We are reporting the updates in version 0.2.0 of the Automated SpectroPhotometric REDuction (ASPIRED) pipeline, designed for common use on different instruments. The default settings support many typical long-slit spectrometer…

Instrumentation and Methods for Astrophysics · Physics 2020-12-08 Marco C Lam , Robert J Smith , Josh Veitch-Michaelis , Iain A Steele , Paul R McWhirter

We aim to provide a suite of publicly available spectral data reduction software to facilitate rapid scientific outcomes from time-domain observations. For time resolved observations, an automated pipeline frees astronomers from performance…

Instrumentation and Methods for Astrophysics · Physics 2019-12-13 Marco C Lam , Robert J Smith , Iain A Steele

We introduce Locally Linear Embedding (LLE) to the astronomical community as a new classification technique, using SDSS spectra as an example data set. LLE is a nonlinear dimensionality reduction technique which has been studied in the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 J. T. VanderPlas , A. J. Connolly

BlueMUSE is an integral field spectrograph in an early development stage for the ESO VLT. For our design of the data reduction software for this instrument, we are first reviewing capabilities and issues of the pipeline of the existing MUSE…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Peter M. Weilbacher , Sven Martens , Martin Wendt , Martin M. Roth , Stefan Dreizler , Andreas Kelz , Roland Bacon , Johan Richard

In recent years, the spectral analysis of appropriately defined kernel matrices has emerged as a principled way to extract the low-dimensional structure often prevalent in high-dimensional data. Here we provide an introduction to spectral…

Machine Learning · Statistics 2010-04-20 Mohamed-Ali Belabbas , Patrick J. Wolfe

Time domain astronomy has both increased the data volume and the urgency of data reduction in recent years. Spectra provide key insights into astrophysical phenomena but require complex reductions. Las Cumbres Observatory has six…

Instrumentation and Methods for Astrophysics · Physics 2022-12-23 Curtis McCully , Matthew Daily , G. Mirek Brandt , Marshall C. Johnson , Mark Bowman , Daniel-Rolf Harbeck

VIMOS main distinguishing characteristic is its very high multiplex capability: in MOS mode up to 800 spectra can be acquired simultaneously, while the Integral Field Unit produces 6400 spectra to obtain integral field spectroscopy of an…

Astrophysics · Physics 2007-05-23 M. Scodeggio , A. Zanichelli , B. Garilli , O. Le Fevre , G. Vettolani

The understanding of nonlinear, high dimensional flows, e.g, atmospheric and ocean flows, is critical to address the impacts of global climate change. Data Assimilation techniques combine physical models and observational data, often in a…

Subsampling is a computationally effective approach to extract information from massive data sets when computing resources are limited. After a subsample is taken from the full data, most available methods use an inverse probability…

Statistics Theory · Mathematics 2022-10-11 HaiYing Wang , Jae Kwang Kim

We present the data processing pipeline to generate calibrated data products from the Spectral and Photometric Imaging Receiver (SPIRE) imaging Fourier Transform Spectrometer on the Herschel Space Observatory. The pipeline processes…

Dicke narrowing is a phenomena that dramatically reduces the Doppler width of spectral lines, due to frequent velocity-changing collisions. A similar phenomena occurs for electromagnetically induced transparency (EIT) resonances, and…

Quantum Physics · Physics 2007-08-18 M. Shuker , O. Firstenberg , R. Pugatch , A. Ben-Kish , A. Ron , N. Davidson