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The photometric errors of the external calibrator for the FIRAS instrument on the COBE are smaller than the measurement errors on the cosmic microwave background (CMBR) spectrum (typically 0.02 MJy/sr, 1 sigma), and smaller than 0.01% of…

Astrophysics · Physics 2009-10-31 J. C. Mather , D. J. Fixsen , R. A. Shafer , C. Mosier , D. T. Wilkinson

We consider the problem of channel estimation in a multiple-input-multiple-output (MIMO) full-duplex (FD) wireless communication system assisted by a reconfigurable intelligent surface (RIS) with hardware impairments (HI) occurring at the…

Signal Processing · Electrical Eng. & Systems 2023-07-25 Alexander James Fernandes , Ioannis Psaromiligkos

SPIRou is a near-infrared spectropolarimeter and high precision radial velocity instrument, to be implemented at CFHT in end 2017. It focuses on the search for Earth-like planets around M dwarfs and on the study of stellar and planetary…

Instrumentation and Methods for Astrophysics · Physics 2016-12-21 I. Boisse , S. Perruchot , F. Bouchy , F. Dolon , F. Moreau , R. Sottile , F. Wildi

SPIRE, the Spectral and Photometric Imaging Receiver, is the Herschel Space Observatory's submillimetre camera and spectrometer. It contains a three-band imaging photometer operating at 250, 350 and 500 {\mu}m, and an imaging Fourier…

The Gemini Infrared Multi-Object Spectrograph (GIRMOS) is a powerful new instrument being built to facility-class standards for the Gemini telescope. It takes advantage of the latest developments in adaptive optics and integral field…

The Colour and Stereo Surface Science Imaging System (CaSSIS) of the ExoMars Trace Gas Orbiter returns on average twenty images per day of the Martian surface, most of them in 3 or 4 colours and some of them in stereo. CaSSIS uses a…

We present the development of a machine learning based pipeline to fully automate the calibration of the frequency comb used to read out optical/IR Microwave Kinetic Inductance Detector (MKID) arrays. This process involves determining the…

Instrumentation and Methods for Astrophysics · Physics 2021-04-06 Neelay Fruitwala , Alex B Walter , John I Bailey , Rupert Dodkins , Benjamin A Mazin

The James Webb Space Telescope (JWST) is optimized for observations in the near and mid infrared and will provide essential observations for targets that cannot be conducted from the ground or other missions during its lifetime. The state…

Earth and Planetary Astrophysics · Physics 2016-01-11 Stefanie N. Milam , John A. Stansberry , George Sonneborn , Cristina Thomas

The InfraRed Imaging Spectrograph (IRIS) will be a first-light client instrument for the Narrow Field Infrared Adaptive Optics System (NFIRAOS) on the Thirty Meter Telescope. IRIS includes three configurable tip/tilt (TT) or tip/tilt/focus…

In a study to provide ground truth data for mid infrared observations of the surface of Mercury with the MERTIS (Mercury Radiometer and Thermal Infrared Spectrometer) instrument onboard the ESA/JAXA BepiColombo mission, we have studied 17…

Earth and Planetary Astrophysics · Physics 2023-02-01 Andreas Morlok , Stephan Klemme , Iris Weber , Aleksandra N. Stojic , Martin Sohn , Harald Hiesinger

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…

Line-intensity mapping (LIM) is an emerging cosmological technique that traces large-scale structure through the integrated spectral-line emission of unresolved sources. Reconstructing unbiased sky maps requires careful joint treatment of…

Instrumentation and Methods for Astrophysics · Physics 2026-03-25 Zheng Zhang , Philip Bull , Mario G. Santos , Ainulnabilah Nasirudin

We present 10 - 19 um moderate resolution spectra of ten M dwarfs, one L dwarf, and two T dwarf systems obtained with the Infrared Spectrograph (IRS) onboard the Spitzer Space Telescope. The IRS allows us to examine molecular spectroscopic…

SPICA is a mid to far infra-red space mission to explore the processes that form galaxies, stars and planets. SPICA/SAFARI is the far infrared spectrometer that provides near-background limited observations between 34 and 230 micrometers.…

Instrumentation and Methods for Astrophysics · Physics 2021-01-13 Russell F. Shipman , Bart Vandenbussche , Edgar Castillo-Dominguez , Alvaro Labiano , Willem Jellema , Angiola Orlando

Context: Data from ground-based, high-resolution solar telescopes can only be used for science with calibrations and processing, which requires detailed knowledge about the instrumentation. [...] Aims: We aim to provide observers with a…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 M. G. Löfdahl , T. Hillberg , J. de la Cruz Rodriguez , G. Vissers , O. Andriienko , G. B. Scharmer , S. V. H. Haugan , T. Fredvik

Various combinations of cameras enrich computational photography, among which reference-based superresolution (RefSR) plays a critical role in multiscale imaging systems. However, existing RefSR approaches fail to accomplish high-fidelity…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yuemei Zhou , Gaochang Wu , Ying Fu , Kun Li , Yebin Liu

The concept of pyramid wavefront sensors (PWFS) has been around about a decade by now. However, there is still a great lack of characterizing measurements that allow the best operation of such a system under real life conditions at an…

Astrophysics · Physics 2009-11-13 D. Peter , M. Feldt , B. Dorner , T. Henning , S. Hippler , J. Aceituno

PRISM (Polarized Radiation Imaging and Spectroscopy Mission) was proposed to ESA in response to the Call for White Papers for the definition of the L2 and L3 Missions in the ESA Science Programme. PRISM would have two instruments: (1) an…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-29 PRISM Collaboration , Philippe Andre , Carlo Baccigalupi , Domingos Barbosa , James Bartlett , Nicola Bartolo , Elia Battistelli , Richard Battye , George Bendo , Jean-Philippe Bernard , Marco Bersanelli , Matthieu Bethermin , Pawel Bielewicz , Anna Bonaldi , Francois Bouchet , Francois Boulanger , Jan Brand , Martin Bucher , Carlo Burigana , Zhen-Yi Cai , Viviana Casasola , Guillaume Castex , Anthony Challinor , Jens Chluba , Sergio Colafrancesco , Francesco Cuttaia , Giuseppe D'Alessandro , Richard Davis , Miguel de Avillez , Paolo de Bernardis , Marco de Petris , Adriano de Rosa , Gianfranco de Zotti , Jacques Delabrouille , Clive Dickinson , Jose Maria Diego , Edith Falgarone , Pedro Ferreira , Katia Ferriere , Fabio Finelli , Andrew Fletcher , Gary Fuller , Silvia Galli , Ken Ganga , Juan Garcia-Bellido , Adnan Ghribi , Joaquin Gonzalez-Nuevo , Keith Grainge , Alessandro Gruppuso , Alex Hall , Carlos Hernandez-Monteagudo , Mark Jackson , Andrew Jaffe , Rishi Khatri , Luca Lamagna , Massimiliano Lattanzi , Paddy Leahy , Michele Liguori , Elisabetta Liuzzo , Marcos Lopez-Caniego , Juan Macias-Perez , Bruno Maffei , Davide Maino , Silvia Masi , Anna Mangilli , Marcella Massardi , Sabino Matarrese , Alessandro Melchiorri , Jean-Baptiste Melin , Aniello Mennella , Arturo Mignano , Marc-Antoine Miville-Deschenes , Federico Nati , Paolo Natoli , Mattia Negrello , Fabio Noviello , Francesco Paci , Rosita Paladino , Daniela Paoletti , Francesca Perrotta , Francesco Piacentini , Michel Piat , Lucio Piccirillo , Giampaolo Pisano , Gianluca Polenta , Sara Ricciardi , Matthieu Roman , Jose-Alberto Rubino-Martin , Maria Salatino , Alessandro Schillaci , Paul Shellard , Joseph Silk , Radek Stompor , Rashid Sunyaev , Andrea Tartari , Luca Terenzi , Luigi Toffolatti , Maurizio Tomasi , Tiziana Trombetti , Marco Tucci , Bartjan Van Tent , Licia Verde , Ben Wandelt , Stafford Withington

SPIRou is a near-infrared (nIR) spectropolarimeter at the CFHT, covering the YJHK nIR spectral bands ($980-2350\,\mathrm{nm}$). We describe the development and current status of the SPIRou wavelength calibration in order to obtain precise…

Instrumentation and Methods for Astrophysics · Physics 2021-04-14 M. J. Hobson , F. Bouchy , N. J. Cook , E. Artigau , C. Moutou , I. Boisse , C. Lovis , A. Carmona , X. Delfosse , J. -F. Donati , the SPIRou Team

We present sensitivity estimates for point and resolved astronomical sources for the current design of the InfraRed Imaging Spectrograph (IRIS) on the future Thirty Meter Telescope (TMT). IRIS, with TMT's adaptive optics system, will…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Shelley A. Wright , Elizabeth J. Barton , James E. Larkin , Anna M. Moore , David Crampton , Luc Simard , IRIS team