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The magnetic field strength and its topology play an important role in understanding the formation, evolution, and dynamics of the solar corona. Also, it plays a significant role in addressing long-standing mysteries such as coronal heating…

In this paper we present simulated solar coronal X-ray observations to verify the sensitivity of a new hypothetical instrument design. These simulations are folded through this X-ray spectrometer having a moderate size circular field of…

Instrumentation and Methods for Astrophysics · Physics 2011-11-29 L. Alha , J. Huovelin , J. Nevalainen

ADITYA-L1 is India's first space mission to study the Sun from Lagrangian 1 position. { \textit{Visible Emission Line Coronagraph}} (VELC) is one of the seven payloads in ADITYA-L1 mission scheduled to be launched around 2020. One of the…

Solar and Stellar Astrophysics · Physics 2018-08-01 Ritesh Patel , K Amareswari , Vaibhav Pant , Dipankar Banerjee , Sankarasubramanian K , Amit Kumar

The origin, acceleration and anisotropy of suprathermal ions in the interplanetary medium during quiet periods have remained poorly understood issues in solar wind physics. To address these aspects, we derive the spectral indices for the…

The advanced space-based solar observatory (ASO-S) is the first Chinese solar mission which is scheduled to be launched in the end of 2021. It is designed to study the magnetic field, the solar coronal mass ejections the solar flares as…

Instrumentation and Detectors · Physics 2020-12-30 Deng-yi Chen , Yi-ming Hu , Zhe Zhang , Yan Zhang , Yong-qiang Zhang , Jian-hua Guo , Yong-yi Huang , Tao Ma , Jin Chang

Low-frequency radio observations have been expected to serve as a powerful tool for Space Weather (SW) observations for decades. Radio observations are sensitive to a wide range of SW-related observations ranging from emissions from coronal…

Solar and Stellar Astrophysics · Physics 2023-02-01 Devojyoti Kansabanik , Surajit Mondal , Divya Oberoi , Puja Majee

RT-2 Experiment (RT - Roentgen Telescope) is a low energy gamma-ray instrument which is designed and developed as a part of Indo-Russian collaborative project of CORONAS-PHOTON Mission to study the Solar flares in wide energy band of…

Instrumentation and Methods for Astrophysics · Physics 2009-12-25 Anuj Nandi , A. R. Rao , Sandip K. Chakrabarti , J. P. Malkar , S. Sreekumar , Dipak Debnath , M. K. Hingar , Tilak Kotoch , Yuri Kotovk , Andrey Arkhangelskiy

The Geostationary Operational Environmental Satellite (GOES) solar soft X-ray (SXR) irradiance in the 1-8{\AA} wavelength range is a long-standing measure of solar activity, used to define the classification of flare strengths. As a result,…

We present a study of the X-ray coronal emission from the active binary VY Ari, using data from both the Low Energy Concentrator Spectrometer (LECS) and the Medium Energy Concentrator Spectrometer (MECS) instruments on-board the X-ray…

Astrophysics · Physics 2007-05-23 F. Favata , T. Mineo , A. N. Parmar , G. Cusumano

We have developed a system combining a back-illuminated Complementary-Metal-Oxide-Semiconductor (CMOS) imaging sensor and Xilinx Zynq System-on-Chip (SoC) device for a soft X-ray (0.5-10 keV) imaging spectroscopy observation of the Sun to…

Solar flares are the most powerful events in the solar system and the brightest sources of X-rays, often associated with emission of particles reaching the Earth and causing geomagnetic storms, giving problems to communication, airplanes…

Instrumentation and Methods for Astrophysics · Physics 2014-11-05 Diego Casadei

We present new RHESSI upper limits in the 3-200 keV energy range for solar hard X-ray emission in the absence of flares and active regions, i.e. the quiet Sun, using data obtained between July 2005 and April 2009. These new limits,…

Solar and Stellar Astrophysics · Physics 2015-05-19 I. G. Hannah , H. S. Hudson , G. J. Hurford , R. P. Lin

The Miniature X-ray Solar Spectrometer (MinXSS) is a 3-Unit (3U) CubeSat developed at the Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado, Boulder (CU). Over 40 students contributed to the project with…

Instrumentation and Methods for Astrophysics · Physics 2016-04-13 James P. Mason , Thomas N. Woods , Amir Caspi , Phillip C. Chamberlin , Christopher Moore , Andrew Jones , Rick Kohnert , Xinlin Li , Scott Palo , Stanley Solomon

The Spectral Imaging of the Coronal Environment (SPICE) instrument is a high-resolution imaging spectrometer operating at extreme ultraviolet (EUV) wavelengths. In this paper, we present the concept, design, and pre-launch performance of…

The performance of the recently commissioned spectrometer PEAXIS for resonant inelastic soft X-ray scattering (RIXS) and X-ray photoelectron spectroscopy (XPS) and its hosting beamline U41-PEAXIS at the BESSY II synchrotron are…

Instrumentation and Detectors · Physics 2019-06-25 Christian Schulz , Klaus Lieutenant , Jie Xiao , Tommy Hofmann , Deniz Wong , Klaus Habicht

The Solar X-ray Monitor (abbreviated as XSM) on board India's Chandrayaan-2 mission is designed to carry out broadband spectroscopy of the Sun from lunar orbit. It observes the Sun as a star and measures the spectrum every second in the…

The Resolve soft X-ray spectrometer is the high spectral resolution microcalorimeter spectrometer for the XRISM mission. In the beam of Resolve there is a filter wheel containing \xray{} filters. In the beam also is an active calibration…

The detection of very hot plasma in the quiescent corona is important for diagnosing heating mechanisms. The presence and the amount of such hot plasma is currently debated. The SphinX instrument on-board CORONAS-PHOTON mission is sensitive…

Solar and Stellar Astrophysics · Physics 2015-06-05 M. Miceli , F. Reale , S. Gburek , S. Terzo , M. Barbera , A. Collura , J. Sylwester , M. Kowalinski , P. Podgorski , M. Gryciuk

In this study we present the analysis of six solar flare events that occurred in 2022, using new data from the third-generation Miniature X-Ray Solar Spectrometer (MinXSS), also known as the Dual-zone Aperture X-ray Solar Spectrometer…

Solar and Stellar Astrophysics · Physics 2024-03-12 Anant Telikicherla , Thomas N. Woods , Bennet D. Schwab