English
Related papers

Related papers: The ISGRI CdTe gamma camera In-flight behavior

200 papers

We present VIGS-SLAM, a visual-inertial 3D Gaussian Splatting SLAM system that achieves robust real-time tracking and high-fidelity reconstruction. Although recent 3DGS-based SLAM methods achieve dense and photorealistic mapping, their…

Robotics · Computer Science 2026-03-16 Zihan Zhu , Wei Zhang , Moyang Li , Norbert Haala , Marc Pollefeys , Daniel Barath

AstroSat is India's first space-based astronomical observatory, launched on September 28, 2015. One of the payloads aboard AstroSat is the Cadmium Zinc Telluride Imager (CZTI), operating at hard X-rays. CZTI employs a two-dimensional coded…

Instrumentation and Methods for Astrophysics · Physics 2021-08-17 Ajay Vibhute , Dipankar Bhattacharya , N. P. S. Mithun , V. Bhalerao , A. R. Rao , S. V. Vadawale

We describe the InfraRed Data Reduction (IRDR) software package, a small ANSI C library of fast image processing routines for automated pipeline reduction of infrared (dithered) observations. We developed the software to satisfy certain…

Astrophysics · Physics 2007-05-23 Chris N. Sabbey , Richard G. McMahon , James R. Lewis , Mike J. Irwin

An innovative X-ray imaging sensor with intrinsic digital characteristics is presented. It is based on Chromatic Photon Counting technology. The detector is able to count individually the incident X-ray photons and to separate them…

Instrumentation and Detectors · Physics 2015-06-11 R. Bellazzini , G. Spandre , A. Brez , M. Minuti , M. Pinchera , P. Mozzo

The NeXT mission has been proposed to study high-energy non-thermal phenomena in the universe. The high-energy response of the super mirror will enable us to perform the first sensitive imaging observations up to 80 keV. The focal plane…

Thanks to recurrent observations of the black hole binary Cyg X-1 carried out over 15 years the INTEGRAL satellite has collected the largest data set in the hard X-ray band for this source. We have analyzed these data, complemented by data…

High Energy Astrophysical Phenomena · Physics 2020-06-24 Piotr Lubiński , Alexandros Filothodoros , Andrzej A. Zdziarski , Guy Pooley

AGILE is an Italian Space Agency mission dedicated to the observation of the gamma-ray Universe. The AGILE very innovative instrumentation combines for the first time a gamma-ray imager (sensitive in the energy range 30 MeV - 50 GeV), a…

Astrophysics · Physics 2019-08-13 M. Tavani

Integrated circuits based on CMOS (complementary metal-oxide semiconductors) are at the heart of the technological revolution of the past 40 years, as these have enabled compact and low cost micro-electronic circuits and imaging systems.…

On December 19, 2002, during the Performance and Verification Phase of INTEGRAL, a Gamma-Ray Burst (GRB) has been detected and localized in real time with the INTEGRAL Burst Alert System (IBAS). Here we present the results obtained with the…

In this work we explore for the first time the applicability of using $\gamma$-ray imaging in neutron capture measurements to identify and suppress spatially localized background. For this aim, a pinhole gamma camera is assembled, tested…

We discuss the need for very large detection planes for the detection of hard X-ray transients in the multi-messenger era that started with the quasi-simultaneous detection of GRB~170817A by \textit{Fermi}/GBM and \textit{INTEGRAL}/SPI on…

Instrumentation and Methods for Astrophysics · Physics 2019-09-20 K. Lacombe , C. Amoros , J. -L. Atteia , A. Bajat , L. Bouchet , J. -P. Dezalay , P. Guillemot , B. Houret , F. Lebrun , S. Mate , R. Pons , H. Triou , V. Waegebaert

The use of high energy transients such as Gamma Ray Bursts (GRBs) as probes of the distant universe relies on the close collaboration between space and ground facilities. In this context, the Sino-French mission SVOM has been designed to…

Sensor fusion has become a popular topic in robotics. However, conventional fusion methods encounter many difficulties, such as data representation differences, sensor variations, and extrinsic calibration. For example, the calibration…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Shuyi Zhou , Shuxiang Xie , Ryoichi Ishikawa , Ken Sakurada , Masaki Onishi , Takeshi Oishi

We present a system of X-ray photometry for the Chandra satellite. X-ray photometry can be a powerful tool to obtain flux estimates, hardness ratios, and colors unbiased by assumptions about spectral shape and independent of temporal and…

Astrophysics · Physics 2008-12-18 H. -J. Grimm , J. McDowell , G. Fabbiano , M. Elvis

The fourth flight of the Focusing Optics X-ray Solar Imager sounding rocket experiment (FOXSI-4) aimed to achieve the first imaging spectroscopic observations of mid-to-large class ( >= GOES C5 class) solar flares, in contrast to the…

Instrumentation and Methods for Astrophysics · Physics 2025-03-18 Shunsaku Nagasawa , Takahiro Minami , Shin Watanabe , Tadayuki Takahashi

Ground-based sky imagers (GSIs) are increasingly becoming popular amongst the remote sensing analysts. This is because such imagers offer fantastic alternatives to satellite measurements for the purpose of earth observations. In this paper,…

Instrumentation and Detectors · Physics 2022-09-14 Mayank Jain , Vishal Singh Sengar , Isabella Gollini , Michela Bertolotto , Gavin McArdle , Soumyabrata Dev

The development of sensitive large format imaging arrays for the infrared promises to provide revolutionary capabilities for space astronomy. For example, the Infrared Array Camera (IRAC) on SIRTF will use four 256 x 256 arrays to provide…

Astrophysics · Physics 2016-08-30 D. J. Fixsen , S. H. Moseley , R. G. Arendt

The Carnegie-Irvine Galaxy Survey (CGS) is a long-term program to investigate the photometric and spectroscopic properties of a statistically complete sample of 605 bright (B_T < 12.9 mag), southern (Dec. < 0) galaxies using the facilities…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Luis C. Ho , Zhao-Yu Li , Aaron J. Barth , Marc S. Seigar , Chien Y. Peng

AGILE (Astrorivelatore Gamma ad Immagini LEggero) has been a unique and hugely successful mission of Italian Space Agency (ASI), built and operated with the programmatic and technical support of the National Institute for Astrophysics…

Context: AGILE is a gamma-ray astrophysics mission which has been in orbit since 23 April 2007 and continues to operate reliably. The gamma-ray detector, AGILE-GRID, has observed Galactic and extragalactic sources, many of which were…

‹ Prev 1 8 9 10 Next ›