QA 2 - STIS.pdf
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- Attached to
- Space Weather Next L1 Series Suprathermal Ion Sensor (STIS) Federal contract opportunity
- Solicitation number
- 80GSFC23R0036
About this file
This document contains a federal contract opportunity solicitation for the Space Weather Next L1 Series Suprathermal Ion Sensor (STIS). The National Aeronautics and Space Administration Goddard Space Flight Center and National Oceanic and Atmospheric Administration plan to issue a Request for Proposal for the STIS instrument. The STIS is an ion spectrometer that will measure ion fluxes across a broad range of energies to characterize solar ejecta for space weather analysis. The contract scope includes tasks to design, develop, fabricate, integrate, test, verify, evaluate, support launch, and maintain ground support equipment and mission operations for the instrument. Potential offerors are encouraged to review the solicitation contents and notify the office of any intent to submit an offer.
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Text version
Please confirm: the flux requirements are specified in the form of Cmin/max * E-1.6 in units [#/cm2-s-sr-keV] where E is bin center energy in keV and Cmin or Cmax is the provided scaling constant for minimum and maximum flux, respectively?
Yes.
Is there any interest in electron and/or heavier ion measurements at the STIS energies?
Electron flux measurements are not required if the STIS ion flux measurement requirements are otherwise met. No heavier-ion species flux measurements are required for this instrument.
Is there any interest in measurements of protons and ions at higher energies (i.e., solar energetic particles and cosmic rays)?
There seem to be no coverage of those species/energies required for the mission, yet those in the solar energetic particle (SEP) and anomalous cosmic ray ranges are critical observables for space weather.
No higher-energy measurements are required for this instrument.
Please confirm: is this instrument is being designed for a Class-C mission designation?
Yes.
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