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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

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…

Multi-Application Solar Telescope (MAST) is a 50 cm off-axis Gregorian telescope and started operational recently at Udaipur Solar Observatory (USO). For understanding the evolution and dynamics of solar magnetic and velocity fields, an…

Instrumentation and Methods for Astrophysics · Physics 2017-04-07 Alok Ranjan Tiwary , Shibu K. Mathew , A. Raja Bayanna , P. Venkatakrishnan , Rahul Yadav

The Solar Wind Around Pluto (SWAP) instrument on New Horizons will measure the interaction between the solar wind and ions created by atmospheric loss from Pluto. These measurements provide a characterization of the total loss rate and…

The NASA/ASI Imaging X-ray Polarimetry Explorer, which will be launched in 2021, will be the first instrument to perform spatially resolved X-ray polarimetry on several astronomical sources in the 2-8 keV energy band. These measurements are…

This paper presents research on polar cap ionosphere space weather phenomena conducted during the European Cooperation in Science and Technology (COST) action ES0803 from 2008 to 2012. The main part of the work has been directed toward the…

Since the initial exploration of soft gamma-ray sky in the 60's, high-energy celestial sources have been mainly characterized through imaging, spectroscopy and timing analysis. Despite tremendous progress in the field, the radiation…

Instrumentation and Methods for Astrophysics · Physics 2015-05-06 S. Antier , P. Ferrando , O. Limousin , E. Caroli , R. M. Curado da Silva , C. Blondel , R. Chipaux , V. Honkimaki , B. Horeau , P. Laurent , J. M. Maia , A. Meuris , S. Del Sordo , J. B. Stephen

One of the key objectives of the COMPASS experiment at CERN is the determination of the gluon contribution to the nucleon spin. The gluon polarization is measured via photon-gluon fusion in deep-inelastic scattering of 160 GeV/c polarized…

High Energy Physics - Experiment · Physics 2017-08-23 C. Schill

The ultra-precise photometric space satellite MOST (Microvariability and Oscillations of STars) will provide the first opportunity to measure the albedos and scattered light curves from known short-period extrasolar planets. Due to the…

Astrophysics · Physics 2009-11-10 Daniel Green , Jaymie Matthews , Sara Seager , Rainer Kuschnig

Several space missions are proposed or planned for the coming two decades dedicated or including mid- to high-resolution spectropolarimetry on a wide UV band. This includes the European instrument Pollux for the NASA HWO flagship mission,…

Instrumentation and Methods for Astrophysics · Physics 2025-03-10 Coralie Neiner , Adrien Girardot , Jean-Michel Reess

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

In Coulomb drag propulsion, a long high voltage tether or system of tethers gathers momentum from a natural plasma stream such as solar wind or ionospheric plasma ram flow. A positively polarised tether in the solar wind can be used for…

Instrumentation and Methods for Astrophysics · Physics 2016-04-29 Pekka Janhunen , Jouni Envall , Petri Toivanen , Timo Rauhala , Edward Haeggström , Tor-Arne Grönland

Gamma-Ray Bursts are among the most powerful events in the Universe. Despite half a century of observations of these transient sources, many open questions remain about their nature. Polarization measurements of the GRB prompt emission have…

Imaging polarimetry is an important tool for the study of cosmic magnetic fields. In our Galaxy, polarization levels of a few up to $\sim$10\% are measured in the submillimeter dust emission from molecular clouds and in the synchrotron…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Helmut Wiesemeyer , Talayeh Hezareh , Ernst Kreysa , Axel Weiss , Rolf Güsten , Karl M. Menten , Giorgio Siringo , Frederic Schuller , Attila Kovacs

Visible-light-absorbing carbonaceous aerosols within the boundary layer affect the radiance and polarization states of the radiation at the top of the atmosphere. Remote sensing from suborbital and satellite-based platforms utilizes these…

Atmospheric and Oceanic Physics · Physics 2021-06-07 Chenchong Zhang , William R. Heinson , Michael J. Garay , Olga Kalashnikova , Rajan K. Chakrabarty

A sounding-rocket program called the Chromospheric Lyman-Alpha Spectro-Polarimeter (CLASP) is proposed to be launched in the summer of 2014. CLASP will observe the solar chromosphere in Ly-alpha (121.567 nm), aiming to detect the linear…

Instrumentation and Methods for Astrophysics · Physics 2014-07-18 H. Watanabe , N. Narukage , M. Kubo , R. Ishikawa , T. Bando , R. Kano , S. Tsuneta , K. Kobayashi , K. Ichimoto , J. Trujillo-Bueno

Several on-going and future experiments use a Stokes polarimeter (i.e. a rotating wave plate followed by a steady polarizer and by an unpolarized detector) to measure the small polarized component of the Cosmic Microwave Background. The…

Instrumentation and Methods for Astrophysics · Physics 2010-06-17 Maria Salatino , Paolo de Bernardis

Recent measurements of the Cosmic Microwave Background $B$-mode polarization power spectrum by the BICEP2 and POLARBEAR experiments have demonstrated new precision tools for probing fundamental physics. Regardless of origin, the fact that…

Cosmology and Nongalactic Astrophysics · Physics 2016-02-02 Jonathan Kaufman , Brian Keating , Brad Johnson

POLAR-2 is a dedicated gamma-ray polarimeter currently foreseen to be launched towards the China Space Station around 2027. The design of the detector is based on the legacy of its predecessor mission POLAR which was launched in 2016.…

Polstar is a proposed NASA MIDEX space telescope that will provide high-resolution, simultaneous full-Stokes spectropolarimetry in the far ultraviolet, together with low-resolution linear polarimetry in the near ultraviolet. This…