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data:data_analysis_manual [2023/11/10 09:19] Terje Fredvik [Data products] |
data:data_analysis_manual [2024/01/10 18:14] eric buchlin Update a DPDD link to latest version |
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* ''EAR\_TDEL'': light travel time difference between Sun centre to Spacecraft and Sun centre to Earth (seconds) | * ''EAR\_TDEL'': light travel time difference between Sun centre to Spacecraft and Sun centre to Earth (seconds) | ||
- | The full list of keywords is given in the [[https://spice.ias.u-psud.fr/spice-data/documents/SPICE-UIO-DPDD-0002-1.4-Data_Product_Description_Document.pdf|DPDD]] - search for "Solar ephemeris keywords". | + | The full list of keywords is given in the [[https://spice-wiki.ias.u-psud.fr/lib/exe/fetch.php/public:spice-uio-dpdd-0002-1.8-data_product_description_document_spicefits_.pdf|DPDD]] - search for "Solar ephemeris keywords". |
Users should make sure to correct the SPICE observing times for EAR\_TDEL in order to compare with observations from Earth-orbiting spacecraft. This is especially important for highly-dynamic structures such as flares or CMEs. | Users should make sure to correct the SPICE observing times for EAR\_TDEL in order to compare with observations from Earth-orbiting spacecraft. This is especially important for highly-dynamic structures such as flares or CMEs. |