NSF award 2510961 · University of Virginia Main Campus

"Tails" of Close Encounters Between Red Giants and Brown Dwarfs

Final report due

29 December 2028

in 803 days · The award ends on 31 August 2028.

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Decide about an extension3 May 2028in 563 days
award ending 2028-08-31 · Research.gov
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Extension request17 Jul 2028in 638 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2028in 673 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 August 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2028.

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Award card

Award number: 2510961
Period of support: 1 Sep 2025 – 31 Aug 2028
Amount: $407,957
Awardee: University of Virginia Main Campus, Charlottesville, VA
Program: STELLAR ASTRONOMY & ASTROPHYSC
Directorate: MPS

Abstract

Near the end of their lives, Sun-like stars become luminous red giants – they expand over a hundred times in radius and their outer layers cool. These red giants pulsate, changing in brightness periodically, and they lose mass through thick, dusty winds. Planets and brown dwarfs (objects bigger than planets but smaller than stars) orbiting nearby can be strongly affected by these dramatic changes. This project will…

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