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With the advent of modern multi-detector heterodyne instruments that can result in observations generating thousands of spectra per minute it is no longer feasible to reduce these data as individual spectra. We describe the automated data…

Instrumentation and Methods for Astrophysics · Physics 2015-08-14 Tim Jenness , Malcolm J. Currie , Remo P. J. Tilanus , Brad Cavanagh , David S. Berry , Jamie Leech , Luca Rizzi

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

The search for extrasolar planets has driven rapid advances in instrumentation, resulting in cameras such as SPHERE at the VLT, GPI at Gemini South and SCExAO at Subaru, capable of achieving very high contrast ($\sim10^{6}$) around bright…

Solar and Stellar Astrophysics · Physics 2020-03-18 P. Scicluna , F. Kemper , R. Siebenmorgen , R. Wesson , J. A. D. L. Blommaert , S. Wolf

The "Wind" spacecraft carrying the Transient Gamma Spectrometer (TGRS) moves in an extremely elliptical orbit that largely avoids Earth's trapped radiation belts and albedo gamma-radiation. The TGRS therefore enjoys a relatively low level…

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

We describe a flexible data reduction package for high resolution cross-dispersed echelle data. This open-source package is developed in Python and includes optional GUIs for most of the steps. It does not require any pre-knowledge about…

The gamma-ray astronomical observatory INTEGRAL, succesfully launched on 17th October 2002, carries two large gamma-ray telescopes. One of them is the coded-mask imaging gamma-ray telescope onboard the INTEGRAL satellite (IBIS) which…

Astrophysics · Physics 2009-11-10 A. Goldwurm , P. David , L. Foschini , A. Gros , P. Laurent , A. Sauvageon , A. J. Bird , L. Lerusse , N. Produit

Deep astronomical images are often constructed by digitially stacking many individual sub-exposures. Each sub-exposure is expected to show small differences in the positions of stars and other objects in the field, due to the movement of…

Instrumentation and Methods for Astrophysics · Physics 2025-05-22 Carter Lee Rhea , Pieter Van Dokkum , Steven R. Janssens , Imad Pasha , Roberto Abraham , William P Bowman , Deborah Lokhorst , Seery Chen

Spectral graph sparsification aims to find ultra-sparse subgraphs whose Laplacian matrix can well approximate the original Laplacian eigenvalues and eigenvectors. In recent years, spectral sparsification techniques have been extensively…

Data Structures and Algorithms · Computer Science 2020-04-30 Zhuo Feng

Maximizing the grating efficiency is a key goal for the first light instrument IRIS (Infrared Imaging Spectrograph) currently being designed to sample the diffraction limit of the TMT (Thirty Meter Telescope). Volume Phase Holographic (VPH)…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Shaojie Chen , Elliot Meyer , Shelley A. Wright , Anna M. Moore , James E. Larkin , Jerome Maire , Etsuko Mieda , Luc Simard

METIS is a mid-infrared instrument proposed for the European Extremely Large Telescope (E-ELT). It is designed to provide imaging and spectroscopic capabilities in the 3 - 14 micron region up to a spectral resolution of 100000. One of the…

The efficiencies of the gratings in the High Energy Transmission Grating Spectrometer (HETGS) were updated using in-flight observations of bright continuum sources. The procedure first involved verifying that fluxes obtained from the +1 and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Herman L. Marshall

We describe the new spectroscopic data reduction pipeline for the multi-object MMT/Magellan Infrared Spectrograph. The pipeline is implemented in idl as a stand-alone package and is publicly available in both stable and development…

Instrumentation and Methods for Astrophysics · Physics 2015-06-24 Igor Chilingarian , Yuri Beletsky , Sean Moran , Warren Brown , Brian McLeod , Daniel Fabricant

Mid-infrared spectroscopy provides many important diagnostics on gas and dust features in a wide variety of astrophysical objects. The Spitzer Infrared Spectrograph observed more than 20000 targets with wavelengths as low as 5.2um and as…

Instrumentation and Methods for Astrophysics · Physics 2023-09-14 Vianney Lebouteiller

We have written an automatic image processing pipeline for the Advanced Camera for Surveys (ACS) Guaranteed Time Observation (GTO) program. The pipeline, known as Apsis, supports the different cameras available on the ACS instrument and is…

Astrophysics · Physics 2007-05-23 J. P. Blakeslee , K. R. Anderson , G. R. Meurer , N. Benitez , D. Magee

We present results of a study of the Galactic hard X-ray and soft gamma-ray background emission performed with the IBIS telescope aboard the INTEGRAL observatory using data obtained over more than 20 years of operations. The study of the…

High Energy Astrophysical Phenomena · Physics 2024-12-30 Roman Krivonos , Ekaterina Shtykovskaya , Sergey Sazonov

We introduce Gradus.jl, an open-source and publicly available general relativistic ray-tracing toolkit for spectral modelling in arbitrary spacetimes. Our software is written in the Julia programming language, making use of forward-mode…

High Energy Astrophysical Phenomena · Physics 2025-10-20 Fergus J. E. Baker , Andrew J. Young

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

With its third data release, European Space Agency's Gaia mission publishes for the first time low resolution spectra for a large number of celestial objects. These spectra however differ in their nature from typical spectroscopic data.…

Instrumentation and Methods for Astrophysics · Physics 2023-03-08 Michael Weiler , Josep Manel Carrasco , Claus Fabricius , Carme Jordi

In electronic design, engineers often manually search through extensive documents to retrieve component parameters required for constructing SPICE models, a process that is both labor-intensive and time-consuming. To address this challenge,…

Computation and Language · Computer Science 2025-06-05 Hong Cai Chen , Yi Pin Xu , Yang Zhang