Auroral spectrograph data captures optical emissions from 420 to 740 nanometers with a spectral bandwidth of 0.6 nm. The instrument uses a 512 x 512 pixel CCD camera and a fish-eye lens with a 180-degree field of view, enabling a sampling rate of a few seconds per image. The dataset is produced by the SCIOPS organization for collaborative study with the EISCAT Svalbard Radar and other ground-based observations.
Use Cases
- Analyze spectral intensity variations across the 420-740 nm wavelength range to identify specific auroral emission lines.
- Correlate temporal changes in spatial brightness (0.18 x 0.18 degree resolution) with ground-based radar data from the EISCAT Svalbard Radar.
- Study the morphology of auroral arcs and structures using the 180-degree field-of-view imagery captured every few seconds.
- Validate atmospheric and ionospheric models by comparing observed spectral signatures with simulated emissions.
- Investigate the sensitivity of the instrument, quantified as 0.06 counts/pixel/Rayleigh/sec, for detecting faint auroral events.
Strengths
- Spectral resolution of 0.6 nm across a 320 nm range (420-740 nm).
- High temporal resolution with images captured every few seconds.
- Wide spatial coverage with a 180-degree field-of-view fish-eye lens.
- Collaborative data collection context with the EISCAT Svalbard Radar.
Limitations
- Specific row count, file size, and temporal coverage are unknown.
- Geographic location of the ground-based instrument is not specified.
- Data format, license, and update frequency are not documented.
Provenance
- Source
- SCIOPS organization via NASA EarthData.
- Collection Method
- Collected by a ground-based optical spectrograph instrument with a CCD camera.
- Time Range
- null
- Freshness
- null
- Geography
- null