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The India-based Neutrino Observatory (INO) collaboration is planning to build a massive 50kton magnetised Iron Calorimeter (ICAL) detector, to study atmospheric neutrinos and to make precision measurements of the parameters related to…

Instrumentation and Detectors · Physics 2019-08-13 Satyanarayana Bheesette

We study the impact of ionospheric disturbances on the Earth's environment caused by the solar events that occurred from 20 April to 31 May 2010, using observations from the Mexican Array Radio Telescope (MEXART). During this period of…

Type-I solar noise storms are perhaps the most commonly observed active radio emissions from the Sun at meter-wavelengths. Noise storms have a long-lived and wideband continuum background with superposed islands of much brighter narrowband…

Solar and Stellar Astrophysics · Physics 2024-11-22 Surajit Mondal , Devojyoti Kansabanik , Divya Oberoi , Soham Dey

The advancement of observational technologies and software for processing and visualizing spectro-polarimetric microwave data obtained with the RATAN-600 radio telescope opens new opportunities for studying the physical characteristics of…

Solar and Stellar Astrophysics · Physics 2024-12-12 I. Knyazeva , I. Lysov , E. Kurochkin , A. Shendrik , D. Derkach , N. Makarenko

The Integrating Miniature Piggyback for Impulsive Solar Hard X-rays (IMPISH) is a solar X-ray spectrometer that features large-area scintillators, fast readout electronics, and good energy resolution in the hard X-ray band. IMPISH is a…

MASER (Measurements, Analysis, and Simulation of Emission in the Radio range) is a comprehensive infrastructure dedicated to time-dependent low frequency radio astronomy (up to about 50 MHz). The main radio sources observed in this spectral…

Electric field measurements of the Time Domain Sampler (TDS) receiver, part of the Radio and Plasma Waves (RPW) instrument on board Solar Orbiter, often exhibit very intense broadband wave emissions at frequencies below 20~kHz in the…

We describe a new software package for simulating channelised, high-time resolution data streams from radio telescopes. The software simulates data from the telescope and observing system taking into account the observation strategy,…

Instrumentation and Methods for Astrophysics · Physics 2022-05-09 Rui Luo , George Hobbs , Suk Yee Yong , Andrew Zic , Lawrence Toomey , Shi Dai , Alex Dunning , Di Li , Tommy Marshman , Chen Wang , Pei Wang , Shuangqiang Wang , Songbo Zhang

High-resolution spectra of a giant solar quiescent filament were taken with the Echelle spectrograph at the Vacuum Tower Telescope (VTT; Tenerife, Spain). A mosaic of various spectroheliograms (H\alpha, H\alpha\ +/- 0.5\AA\ and Na D2) were…

Solar and Stellar Astrophysics · Physics 2015-06-17 C. Kuckein , C. Denker , M. Verma

A new kind of bolometric architecture has been successfully developed for the PACS photometer onboard the Herschel submillimeter observatory. These new generation CCD-like arrays are buttable and enable the conception of large fully sampled…

Ground-based Cherenkov telescopes, although typically inoperative during moonlit nights for gamma-ray observations, offer a valuable opportunity for secondary scientific applications through Intensity Interferometry (II). Recent…

Instrumentation and Methods for Astrophysics · Physics 2025-08-14 Km Nitu Rai , Prasenjit Saha , Subrata Sarangi

NICSPol is a near infrared imaging polarimeter developed for the Near Infrared Camera and Spectrograph (NICS), one of the back end instruments of the 1.2 m Cassegrain telescope at the Mount Abu Infrared Observatory (MIRO), India. The…

Instrumentation and Methods for Astrophysics · Physics 2019-08-08 Esakkiappan Aarthy , Archita Rai , Shashikiran Ganesh , Santosh V. Vadawale

At Pic du Midi observatory we carry out a solar survey with images of the photosphere, prominences and corona. This survey, named CLIMSO (CLIch\'es Multiples du SOleil), is in the following spectral lines: Fe XIII corona (1.075 micron),…

Instrumentation and Methods for Astrophysics · Physics 2019-10-23 Laurent Koechlin , Luc Dettwiller , Maurice Audejean , Mael Valais , Arturo Lopez Ariste

Multi-application Solar Telescope is a 50 cm off-axis Gregorian telescope that has been installed at the lake site of Udaipur Solar Observatory. For quasi-simultaneous photospheric and chromospheric observations, a narrow-band imager has…

Instrumentation and Methods for Astrophysics · Physics 2014-07-30 A. Raja Bayanna , Shibu K. Mathew , P. Venkatakrishnan , N. Srivastava

We present global, spatially resolved ultraviolet-visible spectra of Callisto obtained with HST/STIS and explore possible compositions of Callisto's surface material. We map the strength of a widespread downturn toward the near-UV and the…

Earth and Planetary Astrophysics · Physics 2025-06-04 M. Ryleigh Davis , Samantha K. Trumbo , Michael E. Brown , Matthew Belyakov

A search for pulsars was carried out using a Large Phased Array (LPA) radio telescope at a frequency of 110.4 MHz with a time resolution of 3.072 ms and a frequency resolution of 19.5 kHz with a 2.5 MHz bandwidth used. The survey was…

High Energy Astrophysical Phenomena · Physics 2026-01-26 S. A. Tyul'bashev , G. E. Tyul'basheva , M. A. Kitaeva

An investigation of the IRAS 16148-5011 region - a cluster at a distance of 3.6 kpc - is presented here, carried out using multiwavelength data in near-infrared (NIR) from the 1.4m Infrared Survey Facility telescope, mid-infrared (MIR) from…

Astrophysics of Galaxies · Physics 2015-06-23 K. K. Mallick , D. K. Ojha , M. Tamura , H. Linz , M. R. Samal , S. K. Ghosh

In this work, we propose a forward-modeling method to study the trajectory and speed of the interplanetary (IP) Type-III radio burst exciter. The model assumes that the source of an IP Type-III radio burst moves outward from the Sun…

Solar and Stellar Astrophysics · Physics 2019-05-24 Peijin Zhang , Chuanbing Wang , Lin Ye , Yuming Wang

High time-resolution observations of pulsars were carried out at 35 MHz, using the Gauribidanur Radio Telescope (India), to study the spectra of intrinsic pulse-to-pulse fluctuations. Our sample consists of a few bright pulsars, each of…

Astrophysics · Physics 2007-05-23 Ashish Asgekar , A. A. Deshpande

We present an interpretation of the recent Daniel K. Inouye Solar Telescope (DKIST) observations of propagating wavefronts in the lower solar atmosphere. Using MPS/University of Chicago MHD (MURaM) radiative magnetohydrodynamic simulations…

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