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4 results for “james webb space telescope”
James Webb Space Telescope S-band recording with Allen Telescope Array (wideband excerpt)
<p>This dataset contains a recording of the S-band telemetry downlink of James Webb Space Telescope. The recording was done on 2021-12-26, roughly one day after launch, using Allen Telescope Array antenna 2e in dual XY (linear) polarization.</p> <p>The hardware configuration was as follows: antenna 2e was connected to RFCB LO d, which was tuned to a frequency of 2270.5 MHz and used an output IF of 512 MHz. A USRP N321 was connected to the IF output of the RFCB and digitized both polarizations. The USRP used external 10 MHz reference and PPS coming from the observatory distribution system. The IQ sample rate of the USRP was 3.84 Msps and a GNU Radio flowgraph was used to record IQ data to disk.</p> <p>The GNU Radio flowgraph stored the IQ data for each channel as 16-bin integers in the <a href="https://wiki.gnuradio.org/index.php/Metadata_Information">GNU Radio metatata file format</a>, with detached headers. After recording, the data was converted to <a href="https://github.com/gnuradio/SigMF">SigMF</a> format. The recording lasts more than 4 hours, but only the first 25 minutes of data are included in the SigMF files to keep the total size of the dataset below 50 GB. Detached metadata files, with .hdr extension, contain the metadata for the full recording.</p> <p>A version of this recording which contains the full length but is decimated to 320 ksps can be found in the dataset <a href="https://zenodo.org/record/5813770#.YdNFWIqCGCg">James Webb Space Telescope S-band recording with Allen Telescope Array (320 kHz bandwidth)</a>.</p>
James Webb Space Telescope S-band recording with Allen Telescope Array (320 kHz bandwidth)
<p>This dataset contains a recording of the S-band telemetry downlink of James Webb Space Telescope. The recording was done on 2021-12-26, roughly one day after launch, using Allen Telescope Array antenna 2e in dual XY (linear) polarization.</p> <p>The hardware configuration was as follows: antenna 2e was connected to RFCB LO d, which was tuned to a frequency of 2270.5 MHz and used an output IF of 512 MHz. A USRP N321 was connected to the IF output of the RFCB and digitized both polarizations. The USRP used external 10 MHz reference and PPS coming from the observatory distribution system. The IQ sample rate of the USRP was 3.84 Msps and a GNU Radio flowgraph was used to record IQ data to disk.</p> <p>The GNU Radio flowgraph stored the IQ data for each channel as 16-bin integers in the <a href="https://wiki.gnuradio.org/index.php/Metadata_Information">GNU Radio metatata file format</a>, with detached headers. After recording, the data was decimated to 320 ksps and converted to <a href="https://github.com/gnuradio/SigMF">SigMF</a> format. By using 320 ksps, residual carrier and 80 kbaud PCM/PM/NRZ telemetry modulation are still present in decimated recording. However, the sequential ranging tones are outside of the decimated recording passband. An excerpt of the full 3.84 Msps recording, which contains the sequential ranging tones, is published as the dataset "<a href="https://zenodo.org/record/5812277#.YdHytoqCGCg">James Webb Space Telescope S-band recording with Allen Telescope Array (wideband excerpt)</a>". Detached metadata files, with .hdr extension, contain the metadata for the original 3.84 Msps recording.</p>
Stellar specific intensity models used in "Hiding in plain sight: observing planet-starspot crossings with the James Webb Space Telescope"
<p>These stellar specific intensity models were used in the paper "Hiding in plain sight: observing planet-starspot crossings with the James Webb Space Telescope" to simulate starspot contrast spectra. See more details in the README file contained in the folder.</p>
NASA 3D Models: James Webb Space Telescope
The James Webb Space Telescope (JWST) will be a large infrared telescope with a 6.5-meter primary mirror. The project is working to a 2018 launch date. The JWST will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System. Interact with this 3D model of the James Webb Space Telescope and to explore all the different parts of it at http://www.nasa.gov/externalflash/webb3d/
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.