• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-07-18T00:00:00.000+00:00

The GOES-R Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) X-Ray Sensor (XRS) Level 1b science-quality data contain 1-second cadence soft X-Ray irradiance measurements covering 0.05nm -...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) Solar X-Ray Sensor (XRS) onboard the GOES satellite series provides solar X-ray irradiances for the wavelength bands of 0.5 to 4 Angstrom (short channel) and 1...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-07-18T00:00:00.000+00:00

The EUV and X-Ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun's output varies the most. The GOES-R Extreme Ultraviolet and X-Ray Irradiance...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-05-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) is a suite of instruments onboard the GOES satellite series. The objective of the SEM package is to measure solar radiation in the X-ray and Extreme Ultraviolet...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. The Space Environment Monitor (SEM) is a suite of instruments...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This data has been reprocessed by NCEI adding quality flags and using consistent file formats across the period of record (POR). It is highly recommended that users access this version of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-04-08T00:00:00.000+00:00

This data collection consists of archived GOES-R Series Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) Level 0 data from the operational GOES-East and GOES-West satellites. The...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the Earth flyby phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the second cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the Earth flyby phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the fourth cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the third cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the second cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the third cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains X-Ray Spectrometer (XRS) observations made during the fourth cruise phase of the NEAR mission. The individual observations are combined into a single file per day for each sensor.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains Level 1b X-Ray Spectrometer (XRS) observations made during the Eros orbit phase of the NEAR mission. The individual observations are combined into a single file per day for...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains Level 1b X-Ray Spectrometer (XRS) observations made during the Eros orbit phase of the NEAR mission. The individual observations are combined into a single file per day for...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-09-01T00:00:00.000+00:00

The EUV and X-Ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun's output varies the most. EXIS has two primary components, the X-Ray Sensor (XRS)...

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