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The Atacama Large Millimeter/sub-millimeter Array (ALMA) is already revolutionising our understanding of the Universe. However, ALMA is not yet equipped with all of its originally planned receiver bands, which will allow it to observe over…

CCAT will be a large sub-millimeter telescope to be built near the ALMA site in northern Chile. The telescope must support a varied set of instrumentation including large format KID cameras, a large heterodyne array and a KID-based direct…

Instrumentation and Methods for Astrophysics · Physics 2014-11-03 Reinhold Schaaf , Adam Brazier , Tim Jenness , Thomas Nikola , Martin Shepherd

We describe the design, construction, and characterization of the Band 9 heterodyne receivers (600-720 GHz) for the Atacama Large Millimeter / submillimeter Array (ALMA). The ALMA Band 9 receiver units ("cartridges"), which are installed in…

Experimental life sciences like biology or chemistry have seen in the recent decades an explosion of the data available from experiments. Laboratory instruments become more and more complex and report hundreds or thousands measurements for…

Machine Learning · Statistics 2014-03-13 C. O. S. Sorzano , J. Vargas , A. Pascual Montano

Radio telescope arrays are interferometers and thus require coherent capture and processing of the signal from the astronomical source being observed. In ALMA this is accomplished by using a clock at each antenna for down-conversion and…

Instrumentation and Methods for Astrophysics · Physics 2021-07-12 Brent Carlson

We introduce a data reduction package written in Interactive Data Language (IDL) for the Magellan Echellete Spectrograph (MAGE). MAGE is a medium-resolution (R ~4100), cross-dispersed, optical spectrograph, with coverage from ~3000-10000…

We present GRAPHIC, a new angular differential imaging (ADI) reduction pipeline where all geometric image operations are based on Fourier transforms. To achieve this goal the entire pipeline is parallelised making it possible to reduce…

Instrumentation and Methods for Astrophysics · Physics 2015-11-23 J. Hagelberg , D. Ségransan , S. Udry , F. Wildi

One of the science drivers of the new Low Frequency Array (LOFAR) is large-area surveys of the low-frequency radio sky. Realizing this goal requires automated processing of the interferometric data, such that fully calibrated images are…

High-resolution observations of the solar chromosphere at millimeter wavelengths are now possible with the Atacama Large Millimeter Array (ALMA), promising to tackle many open problems in solar physics. Observations from other ground and…

Solar and Stellar Astrophysics · Physics 2018-12-12 João M. da Silva Santos , Jaime de la Cruz Rodríguez , Jorrit Leenaarts

Machine learning (ML) offers powerful methods for detecting and modeling associations often in data with large feature spaces and complex associations. Many useful tools/packages (e.g. scikit-learn) have been developed to make the various…

Machine Learning · Computer Science 2022-06-27 Ryan J. Urbanowicz , Robert Zhang , Yuhan Cui , Pranshu Suri

We describe principal components of the new spectroscopic data pipeline for the multi-object MMT/Magellan Infrared Spectrograph (MMIRS). The pipeline is implemented in IDL and C++. The performance of the data processing algorithms is…

Instrumentation and Methods for Astrophysics · Physics 2012-12-18 Igor Chilingarian , Warren Brown , Daniel Fabricant , Brian McLeod , John Roll , Andrew Szentgyorgyi

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 availability of both structured and unstructured databases, such as electronic health data, social media data, patent data, and surveys that are often updated in real time, among others, has grown rapidly over the past decade. With this…

Databases · Computer Science 2023-07-26 Rebecca C. Steorts

The ASTRA Cassegrain Spectrophotometer and its automated 0.5-m telescope at Fairborn Observatory in Arizona will produce a large quantity of high precision stellar flux distributions. A separate paper (Adelman et al. 2007) presented a…

Astrophysics · Physics 2007-05-23 Barry Smalley , Austin F. Gulliver , Saul J. Adelman

Atacama Large Millimeter/Submillimeter Array (ALMA) is promising to be a powerful tool for precision astrometry of the area around Sagittarius A$^\ast$ (Sgr A$^\ast$) because it has the high angular resolution, high sensitivity, and wide…

Astrophysics of Galaxies · Physics 2022-06-08 Masato Tsuboi , Takahiro Tsutsumi , Atsushi Miyazaki , Ryosuke Miyawaki , Makoto Miyoshi

SIPGI is a spectroscopic pipeline for the data reduction of optical/near-infrared data acquired by slit-based spectrographs. SIPGI is a complete spectroscopic data reduction environment retaining the high level of flexibility and accuracy…

Instrumentation and Methods for Astrophysics · Physics 2022-12-13 Susanna Bisogni , Adriana Gargiulo , Marco Fumana , Paolo Franzetti , Letizia Pasqua Cassarà , Marco Scodeggio , Bianca Garilli , Giustina Vietri

KMOS is a multi-object near-infrared integral field spectrometer with 24 deployable pick-off arms. Data processing is inevitably complex. We discuss specific issues and requirements that must be addressed in the data reduction pipeline, the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Richard Davies , Alex Agudo Berbel , Erich Wiezorrek , Thomas Ott , Natascha Foerster Schreiber

We investigate the role of asymmetries in the line spread function of the 2-degree field spectrograph and the variations in these asymmetries with the CCD, the plate, the time of observation and the fibre. A data-reduction pipeline is…

Astrophysics · Physics 2009-11-10 N. F. Martin , R. A. Ibata , B. C. Conn , M. J. Irwin , G. F. Lewis

We present VIPGI, an automatized human supervised reduction environment, developed within the VIRMOS project to handle VIMOS guaranteed time data. VIPGI is now offered to the international community to be used on site in Milano and…

Astrophysics · Physics 2023-02-22 B. Garilli , P. Franzetti , L. Paioro , M. Scodeggio , A. Zanichelli