• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background The objective of the study is to examine the reliability of erosion and joint space narrowing scores derived from hand x-rays posted on the Internet compared to scores derived...

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• Organization: Department of the Interior
• Updated: 2022-09-01T00:00:00Z

Cores from living coral colonies were collected from Dry Tortugas National Park, Florida, to obtain skeletal records of past coral growth and allow geochemical reconstruction of environmental...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-08-10T00:00:00.000+00:00

Listings and characterizations of solar x-ray flares

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• Organization: National Institute of Standards and Technology
• Updated: 2018-10-19 00:00:00

Materials discovery and development necessarily begins with the preparation and identification of product phase(s). Crystalline compounds can be identified by their characteristic diffraction...

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• Organization: National Institute of Standards and Technology
• Updated: 2015-01-01 00:00:00

The Inorganic Crystal Structure Database (ICSD) is produced cooperatively by the Fachinformationszentrum Karlsruhe (FIZ) and the National Institute of Standards and Technology (NIST). Components...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1958-01-01T00:00:00.000+00:00

Sudden ionospheric disturbances (SID) are caused by solar flare enhanced X-rays in the 1 to 10 angstrom range. Solar flares can produce large increases of ionization in the D-region of the...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This X-ray transition table provides the energies and wavelengths for the K and L transitions connecting energy levels having principal quantum numbers n = 1, 2, 3, and 4. The elements covered...

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• Organization: National Institute of Standards and Technology
• Updated: 2010-11-01 00:00:00

A web database is provided which can be used to calculate photon cross sections for scattering, photoelectric absorption and pair production, as well as total attenuation coefficients, for any...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Human deep space and planetary travel is limited by uncertainties regarding the health risks associated with exposure to galactic cosmic radiation (GCR) and in particular the high linear energy...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

HETE-2 (the High Energy Transient Explorer) is an international mission designed to help unravel the mystery of Gamma-Ray Bursts (GRBs). The primary goal of HETE-2 is to determine the origin and...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This database collects tables and graphs of the form factors, the photoabsorption cross section, and the total attenuation coefficient for any element (Z <= 92). Version 2.1

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

The HETE2TL database table records the pointing direction of the HETE-2 boresight camera and the roll angle of the HETE-2 spacecraft at each given time, as determined by the aspect camera/optical...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

The Spitzer IRAC/MUSYC Public Legacy Survey in the Extended Chandra Deep Field South (SIMPLE) consists of deep IRAC observations (several hours per pointing) covering the 0.5 x 0.5 deg area...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

Soft X-ray (0.2 - 3.5 keV) measurements for all normal, massive, o-type stars surveyed with the Einstein Observatory are presented as a catalog containing 89 detections and 176 upper bounds,...

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• Organization: Department of the Interior
• Updated: 2025-12-03T00:00:00Z

This dataset identifies lead (Pb) concentration found in the blood of waterfowl sampled in western and northern Alaska and eastern Russia between 1993 and 2022. Data include age, sex, body...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

The INTEGRAL observatory operating in a hard X-ray/gamma domain has gathered a large observational data set over nine years starting in 2003. Most of the observing time was dedicated to the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

The authors of this catalog carried out a study of the X-ray properties of the supernova remnant (SNR) population in M 33 with XMM-Newton, comprising deep observations of eight fields in M 33...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

This is the Fourth Edition of the Catalog of Low-mass X-ray Binaries (LMXBs) in the Galaxy and the Magellanic Clouds. The catalog has a companion catalog of high-mass X-ray binaries (HMXBs) which...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

This table contains the results of an observation of the young cluster NGC 2362 in X-rays with Chandra ACIS-I in which 387 point X-ray sources, most of which are shown to be cluster members, were...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-03

The Monoceros R2 (Mon R2) Cloud X-Ray Point Source Catalog contains the results of the Chandra ACIS-I observation of the central region of this high-mass star-forming region (SFR), which lies at a...

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