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Data Access
FTPS from SPDF (not with most browsers)
HTTPS from SPDF
CDAWeb
WebService:
CDAWeb Programmatic Data Access
HAPI: CDAWeb HAPI Server
STEREO-B In-Situ Measurements of Particles and CME Transients (IMPACT) Fluxgate Magnetometer (MAG) Burst Mode, Magnetic Field Vector, Spacecraft (SC) Coordinates, Level 1 (L1), 31 ms Data
var authors='Luhmann, Janet, G.';
document.write(authors);
(2023).
STEREO-B In-Situ Measurements of Particles and CME Transients (IMPACT) Fluxgate Magnetometer (MAG) Burst Mode, Magnetic Field Vector, Spacecraft (SC) Coordinates, Level 1 (L1), 31 ms Data.
[Data set].
Space Physics Data Facility.
https://doi.org/10.48322/jtam-nx76. Accessed on document.write(currentDateStr);.
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ResourceID
spase://NASA/NumericalData/STEREO-B/IMPACT/MAG/L1/Burst/SC/PT0.031S
Description
This data product contains Level 1 0.03125-s or 32 Hz burst-mode values of solar wind magnetic field data measured by the IMPACT Magnetometer on STEREO-B in Spacecraft, SC, coordinates.
Metadata Rights
CC0-1.0:
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions. The actual data/software may be subject to a different license.
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Details
Version:2.7.1
NumericalData
ResourceID
spase://NASA/NumericalData/STEREO-B/IMPACT/MAG/L1/Burst/SC/PT0.031S
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
STEREO-B In-Situ Measurements of Particles and CME Transients (IMPACT) Fluxgate Magnetometer (MAG) Burst Mode, Magnetic Field Vector, Spacecraft (SC) Coordinates, Level 1 (L1), 31 ms Data
DOI
https://doi.org/10.48322/jtam-nx76
ReleaseDate
2026-07-21 12:07:28Z
RevisionHistory
RevisionEvent
ReleaseDate
2022-05-25 12:34:56.789Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2023-07-30 12:34:56.789Z
Note
Added DOI and PublicationInfo minted by LFB, metadata versioned up to SPASE 2.6.0, reviewed by LFB 20230727
RevisionEvent
ReleaseDate
2025-10-03 10:49:14Z
Note
Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. 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 updated value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:31:37Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-06-26 13:28:29Z
Note
Add 'Z' to RevisionEvent:ReleaseDate(s), PublicationDate, TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB
RevisionEvent
ReleaseDate
2026-07-21 12:07:28Z
Note
Added HelioData InformationURL. JWL
Description
This data product contains Level 1 0.03125-s or 32 Hz burst-mode values of solar wind magnetic field data measured by the IMPACT Magnetometer on STEREO-B in Spacecraft, SC, coordinates.
Acknowledgement
Please acknowledge the STEREO IMPACT Principal Investigator J.G. Luhmann for use of the Data and the key IMPACT Magnetometer personnel: C.W. Smith and the late M.H. Acuna.
PublicationInfo
Authors
Luhmann, Janet, G.
PublicationDate
2023-01-01 00:00:00Z
PublishedBy
Space Physics Data Facility
Contacts
Role
Person
StartDate
StopDate
Note
1.
PrincipalInvestigator
spase://SMWG/Person/Janet.G.Luhmann
2.
MetadataContact
spase://SMWG/Person/Robert.M.Candey
3.
MetadataContact
spase://SMWG/Person/Lee.Frost.Bargatze
InformationURL
Name
STEREO IMPACT Instrument web site, UCB
URL
http://sprg.ssl.berkeley.edu/impact/
Description
STEREO In-Situ Measurements of Particles and CME Transients, IMPACT, instrument experiment and data description web site, hosted by University of California, Berkeley
Language
en
InformationURL
Name
NSSDC Master Catalog, STEREO B, IMPACT instrument
URL
https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=2006-047B-03
Description
General information concerning the STEREO B, In-Situ Measurements of Particles and CME Transients, IMPACT, instrument
Language
en
InformationURL
Name
HelioData
URL
https://helio.data.nasa.gov/dataset/STEREO-B_IMPACT_MAG_L1_Burst_SC_PT0.031S
Description
The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more.
PriorIDs
spase://VSPO/NumericalData/STEREO-B/IMPACT/MAG/PT0.031S
spase://VSPO/NumericalData/STEREO-B/MAG/PT0.031S
spase://VSPO/NumericalData/STEREO-B/IMPACT/MAG/L1/Burst/SC/PT0.031S
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/stereo/behind/l1/impact/sc/magb/
Description
Access to Data in CDF Format via ftp from SPDF
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/stereo/behind/l1/impact/sc/magb/
Description
Access to Data in CDF Format via http from SPDF
AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=STB_L1_MAGB_SC&index=sp_phys
ProductKey
STB_L1_MAGB_SC
Description
Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/stereo/behind/l1/impact/sc/magb/$Y
AccessFilenameTemplate
stb_l1_magb_sc_$Y$m$d_$v.cdf
Acknowledgement
Please acknowledge the STEREO IMPACT Principal Investigator J.G. Luhmann for use of the Data and the key IMPACT Magnetometer personnel: C.W. Smith and the late M.H. Acuna. Please acknowledge the Data Providers and CDAWeb when using these Data.
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/STB_L1_MAGB_SC/clientLibraryExample/
Style
WebService
ProductKey
STB_L1_MAGB_SC
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge the STEREO IMPACT Principal Investigator J.G. Luhmann for use of the Data and the key IMPACT Magnetometer personnel: C.W. Smith and the late M.H. Acuna. Please acknowledge the Data Providers and CDAWeb when using these Data.
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
STB_L1_MAGB_SC
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Please acknowledge the STEREO IMPACT Principal Investigator J.G. Luhmann for use of the Data and the key IMPACT Magnetometer personnel: C.W. Smith and the late M.H. Acuna. Please acknowledge the Data Providers and CDAWeb when using these Data.
ProcessingLevel
Calibrated
InstrumentIDs
spase://SMWG/Instrument/STEREO-B/IMPACT/MAG
MeasurementType
InstrumentStatus
MeasurementType
MagneticField
TemporalDescription
TimeSpan
StartDate
2006-11-07 00:58:50.000Z
StopDate
2013-01-08 16:20:28.000Z
Cadence
PT0.031S
ObservedRegion
Heliosphere.Remote1AU
Parameter #1
Name
Epoch Time
ParameterKey
Epoch
Description
Epoch Time Tag, time since 0 AD, interval centered
Cadence
PT0.031S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
AxisLabel
Epoch
ValidMin
01-Jan-1990 00:00:00.000
ValidMax
31-Dec-2020 00:00:00.000
FillValue
31-Dec-9999 23:59:59.999
Support
SupportQuantity
Temporal
Parameter #2
Name
Magnetic Field Vector Components and Vector Magnitude, SC Cartesian Coordinates
Set
Time series defined by using: EPOCH
ParameterKey
BFIELD
Description
Magnetic Field, B, Vector Components and Vector Magnitude, Spacecraft, SC, Cartesian coordinates
Cadence
PT0.031S
Units
nT
UnitsConversion
1.0e-9>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
RTN
RenderingHints
DisplayType
TimeSeries
ValueFormat
E13.6
ScaleType
LinearScale
Structure
Size
4
Element
Name
Bx(s/c)
Index
1
RenderingHints
AxisLabel
Bx(s/c)
Element
Name
By(s/c)
Index
2
RenderingHints
AxisLabel
By(s/c)
Element
Name
Bz(s/c)
Index
3
RenderingHints
AxisLabel
Bz(s/c)
Element
Name
BTotal
Index
4
RenderingHints
AxisLabel
BTotal
ValidMin
-10000.0
ValidMax
10000.0
FillValue
-1.0e+31
Field
Qualifier
Vector
Qualifier
Magnitude
FieldQuantity
Magnetic
Parameter #3
Name
Magnetic Field Status Flag
Set
Time series defined by using: EPOCH
ParameterKey
MAGFLAGUC
Description
IMPACT Magnetic Field Instrument Status Flag
Caveats
IMPACT Magnetometer Status Flag encoded values: bi to bit 3: Magnetometer error counter, bi to bit 7: Magnetometer command counter, bit 8: Spare, bit 9: First, bit 10: Time, bit 11: Interface parity error flag (0=OK, 1=Fault), bit 12: Interface timeout error flag (0=OK, 1=Fault), bit 13: Analog to Digital Converter, ADC, calbration flag (0=Off, 1=On), bit 14: In-flight calibration flag (0=Off, 1=On), bit 15: Range flag (0=Low fields, high sensitivity, 1=High fields, low sensitivity), bit 16: Calibration flag (0=Old calibration, 1=New calibration), bit 17 ms added to sync correctly with IDPU, bit 18: 62.5 ms to 08 hz data (no longer used), bit 19: timestamp resync, the time stamp has been changed (i.e. th s glitch), bit 20: data rate resync, timestamps were calculated wit different Δt for mixed frequency data as the data rate was not synced properly so the records timestamps were calculated incorrectly, bit 21: derived from 32 hz Magnetometer data.
Cadence
PT0.031S
RenderingHints
AxisLabel
MAGFLAGUC
ValueFormat
I8
ScaleType
LinearScale
ValidMin
0
ValidMax
4294967295
FillValue
4294967295
Support
Qualifier
Scalar
SupportQuantity
Velocity
Parameter #4
Name
Magnetic Field Magnitude Filter Value
ParameterKey
FILTER_VALUE
Description
Magnetic Field Magnitude Filter Value, if the total magnetic field magnitude, B, is greater than the filter value, the data point is filtered out and replaced with fill values. It is expected that values greater than the filter value are spurious and non-physical.
Cadence
PT0.031S
Units
nT
RenderingHints
AxisLabel
Filter
ValueFormat
E12.2
ScaleType
LinearScale
ValidMin
0.0
ValidMax
100000.0
FillValue
-1.0e+31
Field
Qualifier
Scalar
FieldQuantity
Magnetic