X-ray telescope
View article: Performance Simulations for Kola: Achieving High-Resolution, Visible-Light AO Correction Over a 1 Arcminute Field
Performance Simulations for Kola: Achieving High-Resolution, Visible-Light AO Correction Over a 1 Arcminute Field Open
We present performance simulations for a proposed visible-light, multi-conjugate adaptive optics system for the 10-meter W. M. Keck I telescope that aims to deliver near diffraction-limited angular resolution at optical wavelengths. Our pr…
View article: Performance Simulations for Kola: Achieving High-Resolution, Visible-Light AO Correction Over a 1 Arcminute Field
Performance Simulations for Kola: Achieving High-Resolution, Visible-Light AO Correction Over a 1 Arcminute Field Open
We present performance simulations for a proposed visible-light, multi-conjugate adaptive optics system for the 10-meter W. M. Keck I telescope that aims to deliver near diffraction-limited angular resolution at optical wavelengths. Our pr…
View article: Development and Testing of a Modular Large-Area Cosmic Ray Telescope Using Scintillator-Fiber Hybrid Design for Millimeter-Level Muon Tracking
Development and Testing of a Modular Large-Area Cosmic Ray Telescope Using Scintillator-Fiber Hybrid Design for Millimeter-Level Muon Tracking Open
Cosmic-ray muons, owing to their high penetration power and abundance, have been widely employed as a natural probe in experimental particle physics. We developed a meter-scale cosmic-ray muon telescope, consisting of two parallel super-la…
View article: Camera calibration of the first Large-Sized Telescope of the Cherenkov Telescope Array Observatory
Camera calibration of the first Large-Sized Telescope of the Cherenkov Telescope Array Observatory Open
View article: Development and Testing of a Modular Large-Area Cosmic Ray Telescope Using Scintillator-Fiber Hybrid Design for Millimeter-Level Muon Tracking
Development and Testing of a Modular Large-Area Cosmic Ray Telescope Using Scintillator-Fiber Hybrid Design for Millimeter-Level Muon Tracking Open
Cosmic-ray muons, owing to their high penetration power and abundance, have been widely employed as a natural probe in experimental particle physics. We developed a meter-scale cosmic-ray muon telescope, consisting of two parallel super-la…
View article: In-flight Performance of the IXPE Telescopes
In-flight Performance of the IXPE Telescopes Open
We present a comprehensive characterization of the on-orbit imaging performance of the three telescopes on board the Imaging X-ray Polarimetry Explorer (IXPE). Each telescope comprises a Wolter-I mirror module assembly and a Gas Pixel Dete…
View article: Mirror Figure Error data for Rubin Observatory Simonyi Survey Telescope
Mirror Figure Error data for Rubin Observatory Simonyi Survey Telescope Open
This dataset contains the surface figure error maps for the primary (M1), secondary (M2), and tertiary (M3) mirrors of the NSF-DOE Rubin Observatory Simonyi Survey Telescope 8.4 m telescope. These maps represent the as-measured residual su…
View article: Mirror Figure Error data for Rubin Observatory Simonyi Survey Telescope
Mirror Figure Error data for Rubin Observatory Simonyi Survey Telescope Open
This dataset contains the surface figure error maps for the primary (M1), secondary (M2), and tertiary (M3) mirrors of the NSF-DOE Rubin Observatory Simonyi Survey Telescope 8.4 m telescope. These maps represent the as-measured residual su…
View article: In-orbit operation of Resolve Filter Wheel and modulated X-ray source
In-orbit operation of Resolve Filter Wheel and modulated X-ray source Open
View article: Initial in-orbit operation of the soft X-ray spectrometer Resolve onboard the X-ray imaging and spectroscopy mission satellite
Initial in-orbit operation of the soft X-ray spectrometer Resolve onboard the X-ray imaging and spectroscopy mission satellite Open
View article: The Telescope Calibration of the Imaging X-Ray Polarimetry Explorer
The Telescope Calibration of the Imaging X-Ray Polarimetry Explorer Open
Fifty years after the very first sounding rocket measurement of cosmic X-ray polarization, the Imaging X-ray Polarimetry Explorer (IXPE) mission has effectively opened a new window into the X-ray sky. Prior to launch of IXPE, an extensive …
View article: A novel optical design for wide-field imaging in X-ray astronomy
A novel optical design for wide-field imaging in X-ray astronomy Open
View article: Initial operations of the Soft X-ray Imager onboard XRISM
Initial operations of the Soft X-ray Imager onboard XRISM Open
View article: Focal plane of the Arcus Probe X-ray spectrograph
Focal plane of the Arcus Probe X-ray spectrograph Open
The Arcus Probe mission concept provides high-resolution soft X-ray and UV\nspectroscopy to reveal feedback-driven structure and evolution throughout the\nuniverse with an agile response capability ideal for probing the physics of\ntime-de…
View article: <i>Swift</i>-XRT follow-up analysis of unidentified hard X-ray sources
<i>Swift</i>-XRT follow-up analysis of unidentified hard X-ray sources Open
Context. It has been established that the sources contributing to the cosmic X-ray background (CXB) emission are mainly nearby active galactic nuclei (AGNs), in particular those that are obscured. Thus, it is important to fully identify th…
View article: Precision Manufacturing in China of Replication Mandrels for Ni-Based Monolithic Wolter-I X-ray Mirror Mandrels
Precision Manufacturing in China of Replication Mandrels for Ni-Based Monolithic Wolter-I X-ray Mirror Mandrels Open
The X-ray satellite “Einstein Probe” of the Chinese Academy of Sciences (CAS) was successfully launched on 9 January 2024 at 15:03 Beijing Time from the Xichang Satellite Launch Center in China with a “Long March-2C” rocket. The Einstein P…
View article: Unveiling the origin of<i>XMM-Newton</i>soft proton flares
Unveiling the origin of<i>XMM-Newton</i>soft proton flares Open
Context . Low-energy (<300 keV) protons entering the field of view of XMM-Newton can scatter with the X-ray mirror surface and reach the focal plane. They are observed in the form of a sudden increase in the background level, the so-called…
View article: Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM)
Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM) Open
Xtend is one of the two telescopes onboard the X-ray imaging and spectroscopy mission (XRISM), which was launched on September 7th, 2023. Xtend comprises the Soft X-ray Imager (SXI), an X-ray CCD camera, and the X-ray Mirror Assembly (XMA)…
View article: Study of Wide-Field-of-View X-ray Observations of the Virgo Cluster Using the Lobster Eye Imager for Astronomy
Study of Wide-Field-of-View X-ray Observations of the Virgo Cluster Using the Lobster Eye Imager for Astronomy Open
The Lobster Eye Imager for Astronomy (LEIA) is the pathfinder of the wide-field X-ray telescope used in the Einstein Probe mission. In this study, we present an image of the Virgo Cluster taken by LEIA in the 0.5–4.5 keV band with an expos…
View article: Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM)
Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM) Open
Xtend is one of the two telescopes onboard the X-ray imaging and spectroscopy mission (XRISM), which was launched on September 7th, 2023. Xtend comprises the Soft X-ray Imager (SXI), an X-ray CCD camera, and the X-ray Mirror Assembly (XMA)…
View article: Characterization of silicon pore optics for the NewAthena X-ray observatory in the PTB laboratory at BESSY II
Characterization of silicon pore optics for the NewAthena X-ray observatory in the PTB laboratory at BESSY II Open
The New Advanced Telescope for High ENergy Astrophysics (NewAthena) will be the largest space-based X-ray observatory ever built. It will have an effective area above 1.1 m 2 at 1 keV, which corresponds to a polished mirror surface of abou…
View article: DarsakX: A Python package for designing and analyzing imaging performance of X-ray telescopes
DarsakX: A Python package for designing and analyzing imaging performance of X-ray telescopes Open
View article: Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer
Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer Open
Observations of linear polarization in the 2–8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating nonthermal radiation in relativistic jets of blaz…
View article: Simulation studies for the first pathfinder of the CATCH space mission
Simulation studies for the first pathfinder of the CATCH space mission Open
View article: Background experiment of the low energy x-ray telescope detectors on insight-HXMT
Background experiment of the low energy x-ray telescope detectors on insight-HXMT Open
The low energy x-ray telescope (LE) is one of the main instruments of the insight-hard x-ray modulation telescope, the first x-ray astronomical satellite of China. The scientific objectives of the LE focus on the scanning and pointed obser…
View article: Experimental astronomical observation using a lobster eye optics
Experimental astronomical observation using a lobster eye optics Open
A lobster eye (LE) is a wide‐field type of X‐ray optics, which provides a large field of view at the expense of angular resolution. The optics presented in this paper are the LE optics in Schmidt arrangement made from glass sheets with gol…
View article: Design and assembly of a nested imaging X-ray telescope for the Hot Universe Baryon Surveyor mission
Design and assembly of a nested imaging X-ray telescope for the Hot Universe Baryon Surveyor mission Open
The Hot Universe Baryon Surveyor (HUBS) mission will carry a nested X-ray telescope capable of observing an energy range from 0.5 keV to 2 keV to study hot baryon evolution. In this paper, we report the latest progress in the design and co…
View article: Silicon Pore Optics
Silicon Pore Optics Open
View article: Ground Calibration Result of the Lobster Eye Imager for Astronomy
Ground Calibration Result of the Lobster Eye Imager for Astronomy Open
We report on results of the on-ground X-ray calibration of the Lobster Eye Imager for Astronomy (LEIA), an experimental space wide-field (18.6*18.6 square degrees) X-ray telescope built from novel lobster eye mirco-pore optics. LEIA was su…
View article: Line Emission Mapper: an X-ray probe mission concept to study the cosmic ecosystems and the physics of galaxy formation
Line Emission Mapper: an X-ray probe mission concept to study the cosmic ecosystems and the physics of galaxy formation Open
In the 2020 Astrophysics Decadal Survey, the National Academies identified cosmic feedback and structure formation as a key question that should drive research in the upcoming decade. In response to this recommendation, NASA released a cal…