NSF award 2506735 · Louisiana State University

Transient Phenomena in the High-Redshift Universe: Stellar Mergers and Pulsational Pair-Instability Explosions

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: 2506735
Period of support: 1 Sep 2025 – 31 Aug 2028
Amount: $545,315
Awardee: Louisiana State University, Baton Rouge, LA
Program: EXTRAGALACTIC ASTRON & COSMOLO
Directorate: MPS

Abstract

Chemical elements, such as Carbon, Oxygen, and Nitrogen, are made within stars. The first stars were made of pristine Hydrogen and Helium only, and they were the first cosmic factories to synthesize advanced chemical elements such as Carbon. The first generation of stars also ended their lives with powerful explosions, spreading complex chemical elements in their nearby environment. This program will carry out…

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