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Neutron stars generate powerful winds of relativistic particles that form bright synchrotron nebulae around them. Polarimetry provides a unique insight into the geometry and magnetic configuration of the wind, but high-energy measurements…

Astrophysics · Physics 2009-11-13 M. Forot , Philippe Laurent , I A. Grenier , C. Gouiffes , F. Lebrun

The precision physics program of the ILC requires precise knowledge of the state of beam polarisation. In fact the Compton polarimeters intended for the ILC will have to measure the polarisation with error a factor of 2 smaller than the…

Instrumentation and Detectors · Physics 2014-11-20 Christoph Bartels , Anthony Hartin , Christian Helebrant , Daniela Kaefer , Jenny List

Know thy star, know thy planet,... especially in the ultraviolet (UV). Over the past decade, that motto has grown from mere wish to necessity in the M dwarf regime, given that the intense and highly variable UV radiation from these stars is…

Measurements of the linear polarization of high-energy emission from pulsars, accreting black holes, and gamma-ray bursts (GRBs) provide an opportunity for constraining the emission mechanisms and geometries (e.g., of the accretion disk,…

High Energy Astrophysical Phenomena · Physics 2023-04-05 John A. Tomsick , Alexander Lowell , Hadar Lazar , Clio Sleator , Andreas Zoglauer

Aims: We present POLARIS (POLArized RadIation Simulator), a newly developed three-dimensional Monte-Carlo radiative transfer code. POLARIS was designed to calculate dust temperature, polarization maps, and spectral energy distributions. It…

Instrumentation and Methods for Astrophysics · Physics 2016-09-28 Stefan Reissl , Sebastian Wolf , Robert Brauer

The Colorado Ultraviolet Transit Experiment (CUTE) is a 6U NASA CubeSat carrying on-board a low-resolution (R~2000--3000), near-ultraviolet (2500--3300 {\AA}) spectrograph. It has a rectangular primary Cassegrain telescope to maximize the…

Instrumentation and Methods for Astrophysics · Physics 2020-11-02 Aickara Gopinathan Sreejith , Luca Fossati , Brian T. Fleming , Kevin France , Tommi Koskinen , Arika Egan , Hannah T. Rüdisser , Manfred Steller

The Miniature X-ray Solar Spectrometer (MinXSS) are twin 3U CubeSats. The first of the twin CubeSats (MinXSS-1) launched in December 2015 to the International Space Station for deployment in mid-2016. Both MinXSS CubeSats utilize a…

Instrumentation and Methods for Astrophysics · Physics 2016-08-19 Christopher S. Moore , Thomas N. Woods , Amir Caspi , James P. Mason

Improved polarization measurements at frequencies below 70 GHz with degree-level angular resolution are crucial for advancing our understanding of the Galactic synchrotron radiation and the potential polarized anomalous microwave emission…

The Multi-slit Solar Explorer (MUSE) is a proposed NASA MIDEX mission, currently in Phase A, composed of a multi-slit EUV spectrograph (in three narrow spectral bands centered around 171A, 284A, and 108A) and an EUV context imager (in two…

Traditional neutrino detectors are built deep underground to reduce backgrounds. The neutrino solar orbiting laboratory ($\nu$SOL) collaboration has been developing a concept to improve neutrino measurement not with a larger detector…

Solar and Stellar Astrophysics · Physics 2025-02-07 Jonathan Folkerts

The Nancy Grace Roman Space Telescope Coronagraph Instrument will enable the polarimetric imaging of debris disks and inner dust belts in the optical and near-infrared wavelengths, in addition to the high-contrast polarimetric imaging and…

Earth and Planetary Astrophysics · Physics 2023-11-10 Ramya M Anche , Ewan Douglas , Kian Milani , Jaren Ashcraft , Maxwell A. Millar-Blanchaer , John H Debes , Julien Milli , Justin Hom

Understanding the initiation of solar flares and coronal mass ejections (CMEs) is essential for improving forecasts of extreme space weather. Soft X-ray (SXR) and Extreme Ultraviolet (EUV) observations provide critical diagnostics of the…

BICEP1 is a millimeter-wavelength telescope designed specifically to measure the inflationary B-mode polarization of the Cosmic Microwave Background (CMB) at degree angular scales. We present results from an analysis of the data acquired…

In recent years, handheld and portable terahertz instruments have been in rapid development for various applications ranging from non-destructive testing to biomedical imaging and sensing. For instance, we have deployed our Portable…

Optics · Physics 2024-03-22 Zachery B. Harris , Kuangyi Xu , M. Hassan Arbab

The hard X-ray polarimeter POLAR aims to measure the linear polarization of the 50-500 keV photons arriving from the prompt emission of gamma-ray bursts (GRBs). The position in the sky of the detected GRBs is needed to determine their level…

Instrumentation and Methods for Astrophysics · Physics 2010-11-17 E. Suarez-Garcia , D. Haas , W. Hajdas , G. Lamanna , C. Lechanoine-Leluc , R. Marcinkowski , A. Mtchedlishvili , S. Orsi , M. Pohl , N. Produit , D. Rapin , D. Rybka , J. -P. Vialle

The next generation of ground-based CMB experiments aim to measure temperature and polarization fluctuations up to $\ell_{\rm max} \approx 5000$ over half of the sky. Combined with Planck data on large scales, this will provide improved…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-01 William R. Coulton , P. Daniel Meerburg , David G. Baker , Selim Hotinli , Adriaan J. Duivenvoorden , Alexander van Engelen

Context. There is currently a niche for providing high-cadence, high resolution, time-series optical spectroscopy from space, which can be filled by using a low-cost cubesat mission. The Belgian-led ESA CubeSpec mission is specifically…

Solar and Stellar Astrophysics · Physics 2022-02-09 D. M. Bowman , B. Vandenbussche , H. Sana , A. Tkachenko , G. Raskin , T. Delabie , B. Vandoren , P. Royer , S. Garcia , T. Van Reeth

X-ray Polarimeter Satellite (XPoSat) with POLarimeter Instrument in X-rays (POLIX), is India's first spacecraft dedicated to study medium energy X-ray polarisation from celestial objects. X-Ray Spectroscopy and Timing (XSPECT) instrument on…