This page summarizes information about the selected resource and its origin based on SPASE metadata.
SPASE version 2.0.0
this set contains daily averaged PHA derived fluxes of protons (2-4, 4-6, 6-8, 8-16, 16-20 MeV) and alpha particles (4-6, 6-9, 11-20 MeV/n), and the Poisson uncertainties in those fluxes
The README file at the Ulysses Data System (UDS) describes the format of the ASCII data files containing daily average proton and helium PHA derived fluxes for the COSPIN Low Energy Telescope (LET), and caveats for their use.
Please acknowlegde the COSPIN PI (R.B. McKibben), the lead LET CoI (R.G. Marsden) and the UDS and/or NSSDC
| Role | Person | |
|---|---|---|
| 1. | Principal investigator | Dr. R. Bruce McKibben |
| 2. | CoInvestigator | Dr. Richard G. Marsden |
| 3. | ArchiveSpecialist | Dr. Cecil Tranquille |
ASCII data file containing all Ulysses COSPIN/LET daily average proton and helium PHA derived fluxes.
R.G. Marsden, ESA/ESTEC
Time for the record given in year, day of year and hour. The given time represents the middle of the averaging interval.
| Index | Name | Valid min | Valid max |
|---|---|---|---|
| 1 | Year | 1990 | 2008 |
| 2 | Day of year | 1 | 366 |
| 3 | Hour of day | 0 | 23 |
LET daily average PHA derived proton fluxes between 2 and 4 MeV
None
error in LET daily average PHA derived proton fluxes between 2 and 4 MeV
None
LET daily average PHA derived proton fluxes between 4 and 6 MeV
None
error in LET daily average PHA derived proton fluxes between 4 and 6 MeV
None
LET daily average PHA derived proton fluxes between 6 and 8 MeV
None
error in LET daily average PHA derived proton fluxes between 6 and 8 MeV
None
LET daily average PHA derived proton fluxes between 8 and 16 MeV
None
error in LET daily average PHA derived proton fluxes between 8 and 16 MeV
None
LET daily average PHA derived proton fluxes between 16 and 20 MeV
None
error in LET daily average PHA derived proton fluxes between 16 and 20 MeV
None
LET daily average PHA derived helium fluxes between 4 and 6 MeV/n
None
error in LET daily average PHA derived helium fluxes between 4 and 6 MeV/n
None
LET daily average PHA derived helium fluxes between 6 and 9 MeV/n
None
error in LET daily average PHA derived helium fluxes between 6 and 9 MeV/n
None
LET daily average PHA derived helium fluxes between 11 and 20 MeV/n
None
error in LET daily average PHA derived helium fluxes between 11 and 20 MeV/n
None
SPASE version 2.0.0
Low Energy Telescope (LET): ~1-20 MeV/n P, He, and heavier nuclei using a dE/dx vs. E telescope with pha capability
LET is one of five instruments that make up the COSPIN suite on the Ulysses spacecraft. LET was built, and primary data analysis is maintained, by ESTEC, Noordwijk, The Netherlands
Information about the LET experiment on the Ulysses mission.
| Role | Person | |
|---|---|---|
| 1. | Principal investigator | Dr. R. Bruce McKibben |
| 2. | CoInvestigator | Silvia Dalla |
SPASE version 2.0.0
The primary objectives of Ulysses, formerly the International Solar Polar Mission (ISPM), are to investigate, as a function of solar latitude, the properties of the solar wind and the interplanetary magnetic field, of galactic cosmic rays and neutral interstellar gas, and to study energetic particle composition and acceleration. The 55 kg payload includes two magnetometers, two solar wind plasma instruments, a unified radio/plasma wave instrument, three energetic charged particle instruments, an interstellar neutral gas sensor, a solar X-ray/cosmic gamma-ray burst detector, and a cosmic dust sensor. The communications systems is also used to study the solar corona and to search for gravitational waves. Secondary objectives included interplanetary and planetary physics investigations during the initial Earth-Jupiter phase and investigations in the Jovian magnetosphere. The spacecraft used a Jupiter swingby in Feb. 1992 to transfer to a heliospheric orbit with high heliocentric inclination, and will pass over the rotational south pole of the sun in mid-1994 at 2 AU, and over the north pole in mid-1995. A second solar orbit will take Ulysses again over the south and north poles in years 2000 and 2001, respectively. The spacecraft is powered by a single radio-isotope generator. It is spin stabilized at a rate of 5 rpm and its high-gain antenna points continuously to the earth. A nutation anomaly after launch was controlled by CONSCAN. The original mission planned for two spacecraft, one built by ESA and the other by NASA. NASA cancelled its spacecraft in 1981.
JPL's primary website for the Ulysses mission. Links to all of the experiment subpages exist here.
| Role | Person | |
|---|---|---|
| 1. | Project scientist | Dr. Edward J. Smith |
| 2. | Project scientist | Dr. Richard G. Marsden |
SPASE version 2.0.0
SPASE version 2.0.0
SPASE version 2.0.0
SPASE version 2.0.0
SPASE version 2.0.0