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"},{"1":"2: During this maneuver, the onboard spectrometer measured sunlight scattered by neutral hydrogen and helium atoms in interplanetary space. These signals were used to study the distribution of these atoms and to infer properties of the interstellar wind and the local interstellar medium, including density and flow direction."},{"2":"Source of data: Wayne Pryor and Joe Ajello "},{"3":"Main papers describing scientific results of data: "},{"4":"a) Ajello, J.~M., An interpretation of Mariner 10 helium (584 A) and hydrogen (1216 A) interplanetary emission observations, Astrophysical Journal, vol. 222, pp 1068-1079, 1978 doi=10.1086/156224 "},{"5":"b) Ajello, J.~M. and Witt, N. and Blum, P.~W., Four UV observations of the interstellar wind by Mariner 10 - Analysis with spherically symmetric solar radiation models, Astrophysical Journal, volume 73, pp260-271, 1979"}]},{"Instrument_type":[{"0":"Particles (space)"}]},{"Mission_group":[{"0":"Mariner"}]},{"Logical_source":[{"0":"mariner10_h-he"}]},{"Logical_file_id":[{"0":"mariner10_h-he_00000000_v01"}]},{"Logical_source_description":[{"0":"Mariner 10 Hydrogen Ly-alpha backscattered emision and Helium 584A backscattered solar emission from Roll Control Maneuver #7 "}]},{"Time_resolution":[{"0":"21 sec"}]},{"Rules_of_use":[{"0":"The Mariner 10 Mission data are archived as fully citable data. Please consult Mariner team publications and personnel for further details on production, processing, and usage of these data. "}]},{"Generated_by":[{"0":"Sonya Lyatsky"}]},{"Generation_date":[{"0":"05/06/2026"}]},{"Acknowledgement":[{"0":"Please acknowledge the Mariner 10 Mission Principal Investigator, Dr. Bruce C. Murray at Jet Propulsion Laboratory (JPL) "}]},{"MODS":[{"0":"The Mariner 10 data "}]},{"LINK_TEXT":[{"0":"Mariner Mission, Instrument, and Data Release Descriptions"}]},{"LINK_TITLE":[{"0":"Mariner Mission"},{"1":"Mariner 10, Control Maneuver # 7 "}]},{"HTTP_LINK":[{"0":"https://ibex.princeton.edu/DataRelease#mariner10 "},{"1":"https://agupubs.onlinelibrary.wiley.com/doi/pdfdirect/10.1029/RG014i004p00625"}]},{"spase_DatasetResourceID":[{"0":" "}]}],"CDFVariables":[{"Epoch":[{"VarDescription":[{"DataType":"CDF_EPOCH"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":"0000-01-01T00:00:00.000"}]},{"VarAttributes":[{"CATDESC":"CDF epoch time for the start of the six-month measurement period"},{"FIELDNAM":"Epoch"},{"FILLVAL":"9999-12-31T23:59:59.999"},{"FORMAT":"CDF Epoch Time"},{"LABLAXIS":"Epoch"},{"UNITS":"day-month-year hour:minute:second"},{"VALIDMIN":"1990-01-01T00:00:00.000"},{"VALIDMAX":"2029-12-31T23:59:59.999"},{"VAR_TYPE":"support_data"},{"SCALETYP":"linear"},{"MONOTON":"INCREASE"},{"TIME_BASE":"0 AD"}]}]},{"ELat":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Ecliptic latitude"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"Ecliptic latitude of viewing sightline"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"Ecliptic latitude"},{"UNITS":"degree"},{"VALIDMIN":-90.0},{"VALIDMAX":90.0},{"VAR_TYPE":"data"}]}]},{"ELon":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Ecliptic longitude"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"Ecliptic longitude of viewing sightline"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"Ecliptic longitude"},{"UNITS":"degree"},{"VALIDMIN":0.0},{"VALIDMAX":360.0},{"VAR_TYPE":"data"}]}]},{"Ray_H":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Flux of neutral hydrogen Lyman-alpha emission in Rayleighs"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"H ENA Flux"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"H ENA Flux"},{"UNITS":"ENAs/(cm2 s sr keV)"},{"VALIDMIN":0.0},{"VALIDMAX":10000.0},{"VAR_TYPE":"data"}]}]},{"Cts_H":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Neutral hydrogen number of counts"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"H ENA Counts"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"H ENA Counts"},{"UNITS":"Counts"},{"VALIDMIN":0.0},{"VALIDMAX":10000.0},{"VAR_TYPE":"data"}]}]},{"Ray_He":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Flux of neutral helium 584A emission in Rayleighs"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"He ENA Flux"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"He ENA Flux"},{"UNITS":"ENAs/(cm2 s sr keV)"},{"VALIDMIN":0.0},{"VALIDMAX":10000.0},{"VAR_TYPE":"data"}]}]},{"Cts_He":[{"VarDescription":[{"DataType":"CDF_REAL8"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":-1.0E+31}]},{"VarAttributes":[{"CATDESC":"Neutral helium number of counts"},{"DEPEND_0":"Epoch"},{"DICT_KEY":" "},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"He ENA Counts"},{"FILLVAL":-1.0E+31},{"FORMAT":"F12.6"},{"LABLAXIS":"He ENA Counts"},{"UNITS":"Counts"},{"VALIDMIN":0.0},{"VALIDMAX":10000.0},{"VAR_TYPE":"data"}]}]}],"EmptyAttributes":[{"GlobalAttributes":["ADID_ref"]},{"VariableAttributes":["DEPEND_1","DEPEND_2","DEPEND_3","LABL_PTR_1","LABL_PTR_2","LABL_PTR_3","UNIT_PTR","SCAL_PTR","VAR_NOTES","LEAP_SECONDS_INCLUDED","RESOLUTION","Bin_location","TIME_SCALE","REFERENCE_POSITION","ABSOLUTE_ERROR","RELATIVE_ERROR","FORM_PTR","VIRTUAL","FUNCT","COMPONENT_0"]}]}}