2.7.1 https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/NumericalData/TWINS/ENA/MagnetosphericIonTemperatures/ModifiedData/PT10M NASA NumericalData TWINS 1, TWINS 2 Storm Time Equatorial Magnetospheric Ion Temperatures derived from Energetic Neutral Fluxes (ENA), Modified Data 2 (MD2), 10 min Data https://doi.org/10.48322/grxp-5t19 2025-12-04T13:32:07Z 2021-04-27T15:38:11 Only known prior ReleaseDate of the metadata 2023-07-30T12:34:56.789 Added DOI and PublicationInfo minted by LFB, metadata versioned up to SPASE 2.6.0, reviewed by LFB 20230727 2025-08-05T13:12:54Z Added ObservedRegion(s). Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to value in Version tag. ZCB 2025-10-03T11:24:15Z Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB 2025-12-04T13:32:07Z Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB Two Wide-angle Imaging Neutral-atom Spectrometers, TWINS, energetic neutral atom, ENA, derived equatorial magnetospheric ion temperatures, see Katus et al. (2017) Please acknowledge the Principal Investigator D.J. McComas for use of the Data McComas, David, J. 2023-01-01T00:00:00 Space Physics Data Facility spase://SMWG/Person/David.J.McComas PrincipalInvestigator spase://SMWG/Person/Robert.M.Candey MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact TWINS Energetic Neutral Atom, Mission of Opportunity, Space Science Reviews publication https://doi.org/10.1007/s11214-008-9467-4 McComas, D.J., F. Allegrini, J. Baldonado, B. Blake, P.C. Brandt, J. Burch, J. Clemmons, W. Crain, D. Delapp, R. DeMajistre, D. Everett, H. Fahr, L. Friesen, H. Funsten, J. Goldstein, M. Gruntman, R. Harbaugh, R. Harper, H. Henkel, C. Holmlund, G. Lay, D. Mabry, D. Mitchell, U. Nass, C. Pollock, S. Pope, M. Reno, S. Ritzau, E. Roelof, E. Scime, M. Sivjee, R. Skoug, Sotirelis, T.S., Thomsen, M., Urdiales, C., Valek, P., Viherkanto, K., Weidner, S., Ylikorpi, T., Young, M., and J. Zoennchen. The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) NASA Mission-of-Opportunity, Space Sci. Rev., 142, 157-231, 2009, DOI: 10.1007/s11214-008-9467-4 Katus et al. (2017) TWINS EUV storm time equatorial magnetospheric ion temperature images, Journal of Geophysical Research: Space Physics publication https://doi.org/10.1002/2016JA023824 Katus, R.M., D.L. Gallagher, M.W. Liemohn, A.M. Keesee, and L.K. Sarno-Smith, Statistical Storm Time Examination of MLT dependent Plasmapause Location derived from IMAGE EUV, J. Geophys. Res. Space Phys., 120, 5545-5559, 2015, DOI: 10.1002/2015JA021225. NSSDC Master Catalog, TWINS 1 ENA instrument https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=2006-027A-01 General information concerning the Two Wide-angle Imaging Neutral-atom Spectrometer 1, TWINS 1, Energetic Neutral Atom, ENA, imager NSSDC Master Catalog, TWINS 2 ENA instrument https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=2008-010A-01 General information concerning the Two Wide-angle Imaging Neutral-atom Spectrometer 2, TWINS 2, Energetic Neutral Atom, ENA, imager spase://VSPO/NumericalData/TWINS/ENA/MagnetosphericIonTemperatures/ModifiedData/PT10M spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/twins/combined/ena/m2/ Access to Data in CDF Format via ftp from SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/twins/combined/ena/m2/ Access to Data in CDF Format via http from SPDF CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=TWINS_M2_ENA&index=sp_phys TWINS_M2_ENA Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb CDF None Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data. spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi TWINS_M2_ENA Web Service to this product using the HAPI interface. CSV Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data. Calibrated spase://SMWG/Instrument/TWINS1/ENA spase://SMWG/Instrument/TWINS1/Ephemeris spase://SMWG/Instrument/TWINS2/ENA spase://SMWG/Instrument/TWINS2/Ephemeris Ephemeris ThermalPlasma 2009-07-21T00:00:00.000 2017-11-07T23:59:59.999 PT10M Earth.Magnetosphere.Main Earth.Magnetosphere.RadiationBelt Earth.Magnetosphere Earth.Magnetosphere.Plasmasphere Epoch Time, TT2000 Epoch Epoch Time Tags in Terrestrial Time 2000, TT2000 PT10M ns 1.0e-9>s TimeSeries Epoch F12.2 2000-01-01T00:00:00.000000000 2018-01-01T00:00:00.000000000 9999-12-31T23:59:59.999999999 Temporal Inner Magnetospheric Ion Temperature, Images Time series defined by using: EPOCH Ion_Temperature Inner Magnetospheric Ion Temperature, Image format PT10M keV Cartesian SM IonTemp F12.2 160 160 -1.0e+31 Ion Magnitude Temperature Inner Magnetospheric Ion Temperature, Movie Time series defined by using: EPOCH Ion_Temperature_movie Inner Magnetospheric Ion Temperature, Movie format This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: Ion_Temperature. PT10M keV Cartesian SM IonTemp F12.2 160 160 -1.0e+31 Ion Magnitude Temperature TWINS Satellite Number Time series defined by using: EPOCH Satellite Number of the TWINS Satellite used to calculate the Magnetospheric Ion Temperature: 1=TWINS 1, 2=TWINS 2 PT10M TimeSeries Sat I2 1 2 -32768 Other X-axis coordinates on the equatorial plane X_Axis X-axis coordinates on the equatorial plane, used to define the dependent grid PT10M Re 6.3712e6>m X_Axis F12.2 160 -60.0 40.0 -1.0e+31 Component.I Other Y-axis coordinates on the equatorial plane Y_Axis Y-axis coordinates on the equatorial plane, used to define the dependent grid PT10M Re 6.3712e6>m Y_Axis F12.2 160 -40.0 40.0 -1.0e+31 Component.J Other Spacecraft Position, Latitude, Geocentric Solar Magnetospheric Spherical Coordinates Time series defined by using: EPOCH SatLatitude Spacecraft Position, Latitude, Geocentric Solar Magnetospheric, GSM, Spherical Coordinates for the TWINS satellite used to calculate the Magnetospheric Ion Temperature PT10M ° 0.0174532925>rad Spherical GSM TimeSeries SPC_Lat F12.2 -90.0 360.0 -1.0e+31 DirectionAngle.ElevationAngle Positional Spacecraft Position, Geocentric Radial Distance Time series defined by using: EPOCH SatRadialDistance Spacecraft Position, Geocentric Radial Distance for the TWINS satellite used to calculate the Magnetospheric Ion Temperature PT10M Re 6.3712e6>m Spherical GSM TimeSeries SPC_Rad F12.2 1.0 10.0 -1.0e+31 Magnitude Positional