Version:2.4.1
NumericalData
ResourceID
spase://CNES/NumericalData/CDPP-AMDA/ACE/MFI/ace-imf-all
ResourceHeader
ResourceName
ACE - MFI - final / prelim
AlternateName
Interplanetary Magnetic Field 16-sec Level2/PRELIM Data
ReleaseDate
2025-10-12 20:00:15Z
Description
ACE Magnetometer level 2 / prelim data, 16-second averages of interplanetary magnetic field (IMF) magnitude and vector in GSE and GSM
coordinate systems. When possible preliminary (AC_K1_MFI) data is replaced by the final (AC_H0_MFI).
Acknowledgement
Please acknowledge the ACE/MAG instrument team and the ACE Science Center
Contacts
InformationURL
Name
ACE Magnetometer (MAG) Level 2 data Home Page
URL
Description
ACE Science Center site hosting instrument information, data release notes, as well as web utilities for plotting and downloading data
InformationURL
Name
Rules of use, and caveats
URL
Description
ACE level 2 data rules of use, and caveats
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA HAPI Server
URL
Style
HAPI
ProductKey
ace-imf-all
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA Web application
URL
Description
Access to Data via CDPP/AMDA Web application.
Format
CSV
Format
VOTable
Format
CDF
Format
PNG
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
ProviderName
CDAWeb
ProviderResourceName
ac_h0_mfi/ac_k1_mfi
InstrumentIDs
MeasurementType
MagneticField
TemporalDescription
TimeSpan
StartDate
1997-09-02 00:00:12Z
StopDate
2025-10-04 23:59:49Z
Cadence
PT16S
ObservedRegion
Heliosphere.NearEarth
Caveats
The quality of ACE level 2 data is such that it is suitable for serious scientific study. However, to avoid confusion and misunderstanding, it is recommended that users consult with the appropriate ACE team members before publishing work derived from the data. The ACE team has worked hard to ensure that the level 2 data are free from errors, but the team cannot accept responsibility for erroneous data, or for misunderstandings about how the data may be used. This is especially true if the appropriate ACE team members are not consulted before publication. At the very least, preprints should be forwarded to the ACE team before publication.
Parameter #1
Name
|b|
ParameterKey
imf_mag
Description
Magnetic field magnitude
UCD
phys.magField
Units
nT
UnitsConversion
1e-9>T
RenderingHints
ValidMin
0.0
ValidMax
500.0
FillValue
-1.0E31
Field
Qualifier
Average
Qualifier
Magnitude
FieldQuantity
Magnetic
Parameter #2
Name
b_gse
ParameterKey
imf
Description
Magnetic field vector in GSE Cartesian coordinates (16 sec)
UCD
phys.magField
Units
nT
UnitsConversion
1e-9>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
RenderingHints
Structure
Size
3
Element
Name
bx
Qualifier
Component.I
Index
1
ParameterKey
imf(0)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Element
Name
by
Qualifier
Component.J
Index
2
ParameterKey
imf(1)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Element
Name
bz
Qualifier
Component.K
Index
3
ParameterKey
imf(2)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Field
Qualifier
Vector
Qualifier
Component.I
Qualifier
Component.J
Qualifier
Component.K
FieldQuantity
Magnetic
Parameter #3
Name
b_gsm
ParameterKey
imf_gsm
Description
Magnetic field vector in GSM Cartesian coordinates (16 sec)
UCD
phys.magField
Units
nT
UnitsConversion
1e-9>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSM
RenderingHints
Structure
Size
3
Element
Name
bx
Qualifier
Component.I
Index
1
ParameterKey
imf_gsm(0)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Element
Name
by
Qualifier
Component.J
Index
2
ParameterKey
imf_gsm(1)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Element
Name
bz
Qualifier
Component.K
Index
3
ParameterKey
imf_gsm(2)
ValidMin
-65534.0
ValidMax
65534.0
FillValue
-1.0E31
Field
Qualifier
Vector
Qualifier
Component.I
Qualifier
Component.J
Qualifier
Component.K
FieldQuantity
Magnetic
An official website of the United States government
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.