The characterization of exoplanets, either theoretically or observationally depends heavily on our understanding of host star properties. This dependence is particularly apparent when modeling the…
Ended Grant For Research Awarded Last action
- Contract number
- 80NSSC21K0572
- Awardee
-
University Of Arizona UEI ED44Y3W6P7B9 Part of State Of Arizona
- Awarding agency
-
Shared Services Center
National Aeronautics and Space Administration
- Obligated
- $489,045
Award facts
- Contract value 100% obligated
- $489,045.00 Current and potential, with all options
- Completion date 100% complete
- Current and potential, with all options
- NAICS code
- Not on record
- PSC
- AJ11 General Science And Technology R&D Services; General Science And Technology; Basic Research
- Set-aside
- No set-aside
- Competition
- Full and Open Competition Basic Research
- Pricing
- Other
- Place of performance
- Tucson, AZ 85719, USA
Award details come from SAM.gov/FPDS.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Vendor Address Change | $157,856 | |
| Funding Only Action | $24,442 | |
| Funding Only Action | $153,546 | |
| Funding Only Action | $76,600 | |
| Original award | $76,601 |
About this award
The University of Arizona, operating as the Arizona Board of Regents, received a $489,045 research grant from a civilian federal agency with an ultimate completion date of August 7, 2026. This grant supports research on the characterization of exoplanets through improved understanding of host star properties, with particular emphasis on modeling exoplanet atmospheres where stellar irradiation drives atmospheric conditions. The research addresses significant gaps in current stellar modeling practices, specifically the need to incorporate spatial variations from stellar activity (star spots and flares), high-energy X-ray to ultraviolet (XUV) radiation from the chromosphere and corona, and detailed spectral resolution needed for interpreting transit and secondary eclipse spectra. No set-aside designation applies to this award.
The research is motivated by the growing recognition that XUV radiation significantly influences atmospheric escape in exoplanets—particularly for ultra-hot Jupiters and potentially habitable worlds around late-type dwarf stars. Since XUV observations remain observationally inaccessible in the foreseeable future, sophisticated stellar atmosphere modeling represents the critical pathway for advancing exoplanet characterization science. The work will be performed at the University of Arizona's Tucson, Arizona facility, leveraging the institution's established expertise in astrophysics and planetary science research supported by extensive funding from the National Science Foundation, NASA, and other federal agencies.
Description
The characterization of exoplanets, either theoretically or observationally depends heavily on our understanding of host star properties. This dependence is particularly apparent when modeling the atmospheres of exoplanets where the stellar
Quick answers
Who was awarded contract 80NSSC21K0572?
80NSSC21K0572 was awarded to University Of Arizona by Shared Services Center (National Aeronautics and Space Administration) on February 8, 2021.
How much is contract 80NSSC21K0572 worth?
The government has obligated $489,045 on 80NSSC21K0572.
Was contract 80NSSC21K0572 competed?
The extent of competition for 80NSSC21K0572 was full and open competition.
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