STEREO S/WAVES Direction Finding data

These files includes radio measurements recorded by the STEREO-A/WAVES instrument. Time resolution varies with instrument mode ranging from 15 seconds to 1 minute. Organized by spacecraft (ahead/behind), low or high frequency receivers (hfr/lfr), and year.

Data Variable Descriptions:

• Power spectral density after 1% background subtraction and antenna calibration [PSD_FLUX]
  • Suitable for general investigation
• Power spectral density after 1% background subtraction and antenna calibration in solar radio flux unit normalized to 1 au [PSD_SFU]
  • Suitable for multi-spacecraft investigation
• Radio flux density [Data available after 04-May-2007] [STOKES_I]
  • Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6
• Normalized linear polarization [Data available after 04-May-2007] [STOKES_Q]
  • Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6
• Normalized linear polarization [Data available after 04-May-2007] [STOKES_U]
  • Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6
• Normalized circular polarization [Data available after 04-May-2007] [STOKES_V]
  • Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6
• The angular half aperture of the source as seen by a spacecraft (uniform profile) [Data available after 04-May-2007] [SOURCE_SIZE]
  • Based on https://doi.org/10.1029/2011JA017333
• Wave vector colatitude in the Radial-Tangential-Normal (RTN) system [Data available after 04-May-2007] [WAVE_COLATITUDE_RTN]
  • X axis points from the spacecraft center to Sun, and the Y axis is the cross product of the solar rotational axis and X, and lies in the solar equatorial plane (towards the West limb).
• Wave vector azimuth in the Radial-Tangential-Normal (RTN) system [Data available after 04-May-2007] [WAVE_AZIMUTH_RTN]
  • X axis points from the spacecraft center to Sun, and the Y axis is the cross product of the solar rotational axis and X, and lies in the solar equatorial plane (towards the West limb).
• Wave vector colatitude in the Heliocentric Inertial (HCI) system [Data available after 04-May-2007] [WAVE_COLATITUDE_HCI]
  • Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.
• Wave vector azimuth in the Heliocentric Inertial (HCI) system [Data available after 04-May-2007] [WAVE_AZIMUTH_HCI]
  • Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.
• Wave vector colatitude in the Heliocentric Earth Ecliptic (HEE) system [Data available after 04-May-2007] [WAVE_COLATITUDE_HEE]
  • X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.
• Wave vector azimuth in the Heliocentric Earth Ecliptic (HEE) system [Data available after 04-May-2007] [WAVE_AZIMUTH_HEE]
  • X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.
• Wave vector colatitude in the Heliocentric Earth Equatorial (HEEQ) system [Data available after 04-May-2007] [WAVE_COLATITUDE_HEEQ]
  Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.
• Wave vector azimuth in the Heliocentric Earth Equatorial (HEEQ) system [Data available after 04-May-2007] [WAVE_AZIMUTH_HEEQ]
  Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.
• STEREO spacecraft position in the Heliocentric Inertial (HCI) system in km [SC_POS_HCI]
  Also called Ecliptic J2000. Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.
• STEREO spacecraft position in the Heliocentric Earth Ecliptic (HEE) system in km [SC_POS_HEE]
  X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.
• STEREO spacecraft position in the Heliocentric Earth Equatorial (HEEQ) system in km [SC_POS_HEEQ]
  Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.

 Name                    Last modified      Size  
 Parent Directory                             -   
 ahead/                  2024-11-21 23:14    -   
 behind/                 2024-11-21 23:15    -