ACE Solar Wind Electron, Proton, and Alpha Monitor (SWEPAM) Plasma Moments, Level 2 (H2), 1 h Data

https://doi.org/10.48322/9w01-2555

2022-05-17 12:34:56.789

This Data Product contains Measurements from the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) Instrument. The Quality of the ACE Level 2 Data are 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. SWEPAM References: https://izw1.caltech.edu/ACE/

D.J. McComas, Please acknowledge the Principal Investigator, D.J. McComas, Southwest Research Institute. See the Rules Of Use available from the ACE Science Center at: http://www.srl.caltech.edu/ace/asc/level2/policy_lvl2.html.

spase://VSPO/NumericalData/ACE/SWEPAM/L2/PT3600S

spase://VSPO/NumericalData/P_ACE_HDR_SWEPAM_1HR

spase://VSPO/NumericalData/ACE/SWEPAM/L2/PT1H

Online

Open

CDF

None

D.J. McComas, Please acknowledge the Principal Investigator, D.J. McComas, Southwest Research Institute. See the Rules Of Use available from the ACE Science Center at: http://www.srl.caltech.edu/ace/asc/level2/policy_lvl2.html. Please acknowledge the Data Providers and CDAWeb when using these Data.

Online

Open

CSV

D.J. McComas, Please acknowledge the Principal Investigator, D.J. McComas, Southwest Research Institute. See the Rules Of Use available from the ACE Science Center at: http://www.srl.caltech.edu/ace/asc/level2/policy_lvl2.html. Please acknowledge the Data Providers and CDAWeb when using these Data.

PT1H

Epoch Time

Epoch

Epoch Time, Beginning of Interval

Average Type: standard This Parameter exhibits an increasing Monotonic Progression.

PT1H

ms

1.0e-3>s

01-Jan-1996 00:00:00.000

01-Jan-2020 00:00:00.000

-1.0e+31

Time PB5

Time Series defined by using: EPOCH

Time_PB5

Time PB5, Time of Observation, Year, Day, and Milliseconds of Day

This Parameter exhibits an increasing Monotonic Progression.

PT1H

-2147483648

Solar Wind Proton Number Density

Time Series defined by using: EPOCH

Np

Solar Wind Proton Number Density

Np is the Solar Wind Proton Number Density in Units of cm^-3, as calculated by Integration of the Ion Distribution Function.

PT1H

cm^-3

1.0e6>m^-3

0.0

200.0

-1.0e+31

Solar Wind Proton Bulk Speed

Time Series defined by using: EPOCH

Vp

Solar Wind Proton Bulk Speed

Vp is the Solar Wind Proton Speed, or more generally just the Solar Wind Bulk Speed. It is obtained by Integration of the Ion (Proton) Distribution Function.

PT1H

km/s

1.0e3>m/s

0.0

2000.0

-1.0e+31

Solar Wind Proton Temperature, Radial

Time Series defined by using: EPOCH

Tpr

Solar Wind Proton Temperature, Radial Component

The Radial Component of the Proton Temperature is the (1,1) Component of the Temperature Tensor, along the Radial Direction. It is obtained by Integration of the Ion (Proton) Distribution Function.

PT1H

°K

1000.0

1.1e+06

-1.0e+31

Solar Wind Alpha Particle to Proton Density Ratio

Time Series defined by using: EPOCH

alpha_ratio

Solar Wind Alpha Particle to Proton, He++/H+, Density Ratio

Alpha Ratio (Na/Np) is the Ratio of the Number Density of Helium++ Ions to the Number Density of Protons

PT1H

0.0

10.0

-1.0e+31

Solar Wind Bulk Velocity Vector, GSE, Cartesian Coordinates

Time Series defined by using: EPOCH

V_GSE

Solar Wind Bulk Velocity Vector, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates

PT1H

km/s

1.0e3>m/s

-1.0e+31

Solar Wind Bulk Velocity Vector, RTN, Cartesian Coordinates

Time Series defined by using: EPOCH

V_RTN

Solar Wind Bulk Velocity Vector, Radial Tangential Normal, RTN, Cartesian Coordinates

PT1H

km/s

1.0e3>m/s

-1.0e+31

Solar Wind Bulk Velocity Vector, GSM, Cartesian Coordinates

Time Series defined by using: EPOCH

V_GSM

Solar Wind Bulk Velocity Vector, Geocentric Solar Magnetospheric, GSM, Cartesian Coordinates

PT1H

km/s

1.0e3>m/s

-1.0e+31

Spacecraft Position Vector, GSE, Cartesian Coordinates

Time Series defined by using: EPOCH

SC_pos_GSE

Spacecraft Position Vector, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates

Average Type: standard

PT1H

km

1.0e3>m

-1.0e+31

Spacecraft Position Vector, GSM, Cartesian Coordinates

Time Series defined by using: EPOCH

SC_pos_GSM

Spacecraft Position Vector, Geocentric Solar Magnetospheric, GSM, Cartesian Coordinates

Average Type: standard

PT1H

km

1.0e3>m

-1.0e+31