Sector 90



Sector 90 Information

Sector Summary

  • Sector dates: Mar 12 to Apr 09 2025
  • Pointing: Southern hemisphere
  • Days of Science Data Collection: 26.79
  • Days of Paused Data Collection: 1.03



    • Spacecraft Pointing (deg)

    RA dec roll
    Spacecraft 155.07 -51.72 141.95
    Camera 1 177.81 -20.39 245.96
    Camera 2 164.97 -41.8 239.19
    Camera 3 140.04 -60.38 39.42
    Camera 4 85.89 -67.19 350.07



    Orbit Summary

    Orbits Dates (UTC)

    Start - End

    		 Cadence #

    Start - End

    		 Momentum dumps
    187a 2025-03-12 - 2025-03-19 1814183 - 1818879 1
    187b 2025-03-19 - 2025-03-25 1819031 - 1823599 1
    188a 2025-03-26 - 2025-04-02 1824111 - 1829329 1
    188b 2025-04-02 - 2025-04-09 1829481 - 1834287 1



    Sector Notes

    Noted Issue Description
    Reverse-clocked CCD data: Reverse-clocked CCD data were collected in an annual assessment of the health of the TESS CCDs. This occured between 2025-03-25 - 2025-03-26 (cadences 1823600 - 1823960).
    Spacecraft pointing: The pointing in Sector 90 was set at -55.5 degrees in ecliptic latitude. Camera 4 was pointed near the South Ecliptic Pole. Cameras 1 and 4 were used for guiding in orbit segments 187 a, 187 b, and 188 a. Camera 4 was used for guiding in Orbit 188 b.
    Scattered light: In Sector 90, the Earth introduces scattered light signals in Camera 4 towards the beginning and of each orbit. The Moon impacts Cameras 1 and 2 at the start of Orbit 187a and end of Orbit 188b.