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In \citet{Guillemot2023} we presented a new method for calibrating pulsar observations conducted with the Nan\c{c}ay decimetric Radio Telescope (NRT), which significantly improved NRT polarimetric measurements and pulsar timing quality for…

High Energy Astrophysical Phenomena · Physics 2025-07-16 Lucas Guillemot , Willem van Straten , Ismaël Cognard , Aurélien Chalumeau , Gilles Theureau , Éric Gérard

The X-Ray Telescope (XRT) onboard the Hinode satellite, launched 23 September 2006 by the Japanese Aerospace Exploration Agency (JAXA) is a joint mission between Japan, the United States, and the United Kingdom to study the solar corona. In…

Instrumentation and Methods for Astrophysics · Physics 2014-08-27 Adam R. Kobelski , Steven H. Saar , Mark A. Weber , David E. McKenzie , Katharine K. Reeves

We use wavefront sensing to characterise the image quality of the the High Resolution Telescope (HRT) of the Polarimetric and Helioseismic Imager (SO/PHI) data products during the second remote sensing window of the Solar Orbiter (SO)…

The X-ray Timing and Polarization (XTP) is a mission concept for a future space borne X-ray observatory and is currently selected for early phase study. We present a new design of X-ray polarimeter based on the time projection gas chamber.…

Instrumentation and Methods for Astrophysics · Physics 2015-09-16 Hong Li , Hua Feng , Jianfeng Ji , Zhi Deng , Li He , Ming Zeng , Tenglin Li , Yinong Liu , Peiyin Heng , Qiong Wu , Dong Han , Yongwei Dong , Fangjun Lu , Shuangnan Zhang

Knowledge of the beam profiles is of critical importance for interpreting data from cosmic microwave background experiments. In this paper, we present the characterization of the in-flight optical response of the WMAP satellite. The main…

This paper presents a new method to obtain the deformation distribution on the main reflector of an antenna only by measuring the electric intensity on a spherical surface with the focal point as the center of the sphere, regardless of…

Instrumentation and Methods for Astrophysics · Physics 2021-12-08 Qian Ye , Boyang Wang , Qiang Yao , Jinqing Wang , Qinghui Liu , Zhiqiang Shen

MARST (Multi-channel Antarctic Solar Telescope) aims to observe the Sun in multiple wavebands in Antarctica and will be China's first solar telescope in Antarctica. The telescope has two tubes, corresponding to Photosphere observation which…

Instrumentation and Methods for Astrophysics · Physics 2018-07-05 Ya-qi Chen , Ming-hao Jia , Guang-yu Zhang , Zhi-yue Wang , Yi-ling Xu , Yi Feng , Jie Chen , Hong-fei Zhang , Peng Jiang , Tuo Ji , Jian Wang

The Mid Infra Red Instrument (MIRI) is one of the four instruments onboard the James Webb Space Telescope (JWST), providing imaging, coronagraphy and spectroscopy over the 5-28 microns band. To verify the optical performance of the…

We report on the first pointed X-ray observations with XMM-Newton and RXTE satellites of the X-ray source RXJ0757.0+6306=HT Cam. We detect a strong 515s X-ray modulation confirming the optical photometric period found in 1998, which…

The Low Frequency Instrument (LFI) is an array of cryogenically cooled radiometers on board the Planck satellite, designed to measure the temperature and polarization anisotropies of the cosmic microwave backgrond (CMB) at 30, 44 and 70…

Instrumentation and Methods for Astrophysics · Physics 2010-01-27 M. Tomasi , B. Cappellini , A. Gregorio , F. Colombo , M. Lapolla , L. Terenzi , G. Morgante , M. Bersanelli , R. C. Butler , S. Galeotta , N. Mandolesi , M. Maris , A. Mennella , L. Valenziano , A. Zacchei

Since its launch on 22 September 2006, the EUV Imaging Spectrometer onboard the Hinode satellite has exhibited a gradual decay in sensitivity. Using spectroheliograms taken in the Fe VIII 185.21 Angstrom and Si VII 275.35 Angstrom emission…

Solar and Stellar Astrophysics · Physics 2015-06-12 J. T. Mariska

The Thirty Meter Telescope will use a sophisticated adaptive optics system called NFIRAOS. This system utilizes two deformable mirrors conjugate to 0 km and 11.2 km to apply a Multi-Conjugate Adaptive Optics (MCAO) correction over a 2…

Instrumentation and Methods for Astrophysics · Physics 2024-10-17 Mojtaba Taheri , David Andersen , Jean-Pierre Veran , Olivier Lardière

We present a new rough-surface thermophysical model (Advanced Thermophysical Model or ATPM) that describes the observed directional thermal emission from any atmosphereless planetary surface. It explicitly incorporates partial shadowing,…

Earth and Planetary Astrophysics · Physics 2012-11-09 Ben Rozitis , Simon F. Green

The China Space Station Telescope (CSST, also known as Xuntian) is a serviceable two-meter-aperture wide-field telescope operating in the same orbit as the China Space Station. The CSST plans to survey a sky area of 17,500 deg$^2$ of the…

High Energy Astrophysical Phenomena · Physics 2024-09-17 Chengqi Liu , Youhua Xu , Xianmin Meng , Xin Zhang , Shi-Yu Li , Yuming Fu , Xiaofeng Wang , Shufei Liu , Zun Luo , Guanghuan Wang , Hu Zhan

The Isochronous Mass Spectrometry (IMS) based on storage rings is a powerful technique for mass measurement of short-lived exotic nuclei. The transition energy $\gamma_t$ of the storage ring is a vital parameter of the IMS technique. It is…

The Enhanced X-ray Timing and Polarimetry (eXTP) mission is a space mission to be launched in the late 2020s that is currently in development led by China in international collaboration with European partners. Here we provide a progress…

High Energy Astrophysical Phenomena · Physics 2024-01-08 V. Karas , K. Klimovicova , D. Lancova , M. Stolc , J. Svoboda , G. Torok , M. Matuszkova , E. Sramkova , R. Sprna , M. Urbanec

Superorbital modulations has been detected in the supergiant High-Mass X-ray binary 4U 1538-52 using long-term monitoring with the Neil Gehrels Swift Observatory Burst Alert Telescope (BAT). The source also exhibits a long-term pulse period…

High Energy Astrophysical Phenomena · Physics 2026-03-26 H. I. Cohen , N. Islam , R. H. D. Corbet , A. Lange , K. Pottschmidt , E. Bozzo , P. Romano , R. Ballhausen , C. Malacaria , J. B. Coley

Context: Characterization of instrumental effects in astronomical imaging is important in order to extract accurate physical information from the observations. The measured image in a real optical instrument is usually represented by the…

Computer Vision and Pattern Recognition · Computer Science 2016-01-12 Adriana Gonzalez , Véronique Delouille , Laurent Jacques

In the present article we analyze data from two temperature sensors of the Mars Science Laboratory, which has been active in Mars since August 2012. Temperature measurements received from the rover are noisy and must be processed and…

Signal Processing · Electrical Eng. & Systems 2020-11-04 S. Zurita-Zurita , Francisco J. Escribano , J. Sáez-Landete , J. A. Rodríguez-Manfredi