346ce427-6663-45e6-b706-285bb79e41ce eng utf8 dataset dataset NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact 2022-07-29 ISO 19115 Geographic Information - Metadata ISO 19115:2003(E) European Petroleum Survey Group (EPSG) Geodetic Parameter Registry 2008-11-12 publication European Petroleum Survey Group EPSGadministrator@iogp.org https://www.epsg-registry.org/ EPSG Geodetic Parameter Dataset The EPSG Geodetic Parameter Dataset is a structured dataset of Coordinate Reference Systems and Coordinate Transformations, accessible through this online registry. information publisher urn:ogc:def:crs:EPSG::3031 6.18.3 TS05 and TS07 external magnetic field model L*, LCDS and B field data for the GOES-13, GOES-15 and HIMAWARI-8 satellites for three geomagnetic storm periods 2022-07-29 creation 2022-07-29 revision 2022-07-29 publication 2022-07-29 released 1.0 https://doi.org/10.5285/346ce427-6663-45e6-b706-285bb79e41ce doi GB/NERC/BAS/PDC/01653 https://data.bas.ac.uk/ NE/P01738X/1 award NE/R016445/1 award ST/T000481/1 award Please cite this item as: Daggitt, T. (2022). TS05 and TS07 external magnetic field model L*, LCDS and B field data for the GOES-13, GOES-15 and HIMAWARI-8 satellites for three geomagnetic storm periods (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/346ce427-6663-45e6-b706-285bb79e41ce The dataset contains satellite L* values, last closed drift shell (LCDS) model locations and model magnetic field values for three two day periods covering three different magnetic storms. The periods covered are 27-28 February 2014, 22-23 June 2015 and 14-15 December 2015. The L* values are calculated for electrons with a pitch angle of 90 degrees at the locations of the GOES-13, GOES-15 and HIMAWARI-8 geostationary satellites, using the IRBEM library with the TS05 and TS07 external magnetic field models. Magnetic field values from the models are also included for the GOES-13 satellite during the June 2015 event. LCDS values for each of the periods are included, with two LCDS models based on the TS05 and TS07 field models, and a third LCDS model based particle tracing simulations. This material is based upon work supported by the Air Force Office of Scientific Research under award number FA9550-19-1-7039. Richard Horne and Sarah Glauert were supported by the Natural Environment Research Council (NERC) Highlight Topic Grant NE/P01738X/1 (Rad-Sat) and NERC grant NE/V00249X/1 (Sat-Risk) and National and Public Good activity grant NE/R016445/1. Giulio Del Zanna acknowledges support from STFC (UK) via the consolidated grant to the astrophysics group at DAMTP, University of Cambridge (ST/T000481/1). No credit. completed Daggitt, Thomas British Antarctic Survey Researcher author Daggitt, Thomas Department of Applied Mathematics and Theoretical Physics, University of Cambridge Researcher author NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact asNeeded completed EARTH SCIENCE > Sun-earth Interactions > Ionosphere/Magnetosphere Dynamics > Magnetic Fields/Magnetic Currents theme Global Change Master Directory (GCMD) Science Keywords 2026-01-27 publication 23 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) Greenbelt MD United States of America https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher GOES HIMAWARI L* LCDS Magnetic field models Magnetopause crossings theme Magnetopause place Atmospheric conditions theme GEMET - INSPIRE themes, version 1.0 2021-01-06 revision otherRestrictions no limitations to public access otherRestrictions no limitations license Open Government Licence v3.0 otherRestrictions This data is governed by the NERC Data Policy: https://www.ukri.org/who-we-are/nerc/our-policies-and-standards/nerc-data-policy/ otherRestrictions This data is governed by the NERC data policy and supplied under Open Government Licence v.3 otherRestrictions None url url crossReference url url crossReference url url crossReference url url crossReference url url dependency url url crossReference textTable eng utf8 climatologyMeteorologyAtmosphere -180.0 180.0 -90.0 90.0 2014-02-27 2014-02-28 It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk. NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information distributor text/plain bytes 1153434 https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=346ce427-6663-45e6-b706-285bb79e41ce WWW:LINK-1.0-http--link Get Data Download data download dataset Methodology: The L* and magnetic field values from the TS05 and TS07 models were calculated using the spacepy distribution of IRBEM, accessed via https://github.com/spacepy/spacepy. The calculations were performed using the IGRF internal field model, and a resolution setting of 6. The GOES satellite locations were taken from NOAA at https://www.ngdc.noaa.gov/stp/satellite/goes/index.html. Data from the Himawari-8 satellite were provided by the NICT HIMAWARI/SEDA database at https://aer-nc-web.nict.go.jp/himawari-seda/. The LCDS values were calculated using IRBEM with the same settings as the L* values, and were determined by finding via binary search the highest altitude along the Geocentric Solar Magnetospheric (GSM) x axis at which a valid L* could be calculated for a 90 degree particle at the magnetic equator. Data collection: All LCDS, L* and magnetic field values were calculated using the spacepy distribution of IRBEM, version 0.3.0, accessed via https://github.com/spacepy/spacepy. Data quality: NaN values in the L* data represent times when IRBEM was unable to determine an L* value at the satellite location. NaN values in the LCDS data represent times when the binary search for the highest L* failed to converge within 20 steps. asNeeded completed