NSF award 2512923 · Northwestern University at Chicago

Gravitational-Wave Astrophysics and Cosmology with Growing Population Datasets

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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How we got this date

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: 2512923
Period of support: 1 Sep 2025 – 31 Aug 2028
Amount: $600,000
Awardee: Northwestern University at Chicago, Evanston, IL
Program: OFFICE OF MULTIDISCIPLINARY AC, Gravity Exp. & Data Analysis
Directorate: MPS

Abstract

This award supports research in astrophysics connected to mergers of compact remnants of stellar deaths, black holes and neutron stars, which are strong sources of gravitational waves (GW), first directly detected in 2015 by NSF's Laser Interferometric Gravitational-Wave Observatory (LIGO). These cosmic mergers provide a unique laboratory for probing stellar astrophysics, cosmic expansion, and the nature of…

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