Abstract: The Japanese X-ray Astronomy Satellite, Hitomi (ASTRO-H) carries hard X-ray imaging system, covering the energy…
Author: New NASA STI
First Peek of ASTRO-H Soft X-Ray Telescope (SXT) In-Orbit Performance
Abstract: ASTRO-H (Hitomi) is a Japanese X-ray astrophysics satellite just launched in February, 2016, from Tanegashima,…
Electromagnetic Cyclotron Waves in the Solar Wind: Wind Observation and Wave Dispersion Analysis
Abstract: Wind observed long-lasting electromagnetic cyclotron waves near the proton cyclotron frequency on 11 March 2005,…
The Merging Galaxy Cluster A520 – A Broken-Up Cool Core, A Dark Subcluster, and an X-Ray Channel
Abstract: We present results from a deep Chandra X-ray observation of a merging galaxy cluster A520.…
Radial Profile of the 3.5 kev Line Out to R200 in the Perseus Cluster
Abstract: The recent discovery of the unidentified emission line at 3.5 keV in galaxies and clusters…
Spiral Structure and Differential Dust Size Distribution in the LkH(alpha) 330 Disk
Abstract: Dust trapping accelerates the coagulation of dust particles, and, thus, it represents an initial step…
A Comprehensive Radial Velocity Error Budget for Next Generation Doppler Spectrometers
Abstract: We describe a detailed radial velocity error budget for the NASA-NSF Extreme Precision Doppler Spectrometer…
Space Telescope and Optical Reverberation Mapping Project. VI. Reverberating Disk Models for NGS 5548
Abstract: We conduct a multi-wavelength continuum variability study of the Seyfert 1 galaxy NGC 5548 to…
Imaging Analysis of the Hard X-Ray Telescope ProtoEXIST2 and New Techniques for High-Resolution Coded-Aperture Telescopes
Abstract: Wide-field (greater than or approximately equal to 100 degrees squared) hard X-ray coded-aperture telescopes with…
The Weak Fe Fluorescence Line and Long-Term X-Ray Evolution of the Compton-Thick Active Galactic Nucleus in NGC7674
Abstract: We present NuSTAR X-ray observations of the active galactic nucleus (AGN) in NGC7674.The source shows…