NSF Astronomy and Astrophysics Postdoctoral Fellowships (AAPF)

Key facts

Copied from the official Grants.gov record. Last verified October 29, 2026.

Program name

NSF Astronomy and Astrophysics Postdoctoral Fellowships (AAPF)

Issuing agency

U.S. National Science Foundation

Opportunity number

22-621

Funding type

Grant

Funding purpose

Science and Technology and other Research and Development

Status

Open (posted)

Application deadline

Closes October 15, 2027

Published award range

From $110,000

Estimated total program funding

$990,000

Expected number of awards

9

Cost sharing or match required

No

Eligible applicants (official categories)

• Others (see Additional Information on Eligibility)

Relevant to

NonprofitsHow we determined this: Listed as 'Others'; the agency's eligibility text mentions nonprofits (flagged for review).

Geographic restrictions

None stated in structured data (federal opportunities are often nationwide). Check the eligibility details and full announcement for any limits.

Assistance Listing (CFDA)

47.049

Official source

View on Grants.gov ↗ · Agency information link ↗

Application URL

www.grants.gov/search-results-detail/342747 ↗Apply through Grants.gov (Workspace) using the application package on the official listing, unless the full announcement names a different submission system.

Source identifier

Grants.gov opportunity ID 342747 · Funding opportunity number 22-621

Posted

July 27, 2022 · Source last updated October 15, 2026

Last verified

October 29, 2026 (against Grants.gov)

Data completeness

100% of key fields published by the source

Record confidence

loweligibility described only in free text (in review).

Eligibility details (from the agency)

*Who May Submit Proposals: Proposals may only be submitted by the following: -NSF Astronomy and Astrophysics Postdoctoral Fellowships are awards to individuals; proposals are submitted directly by the fellowship candidate to NSF. Each proposer must identify one or more scientific mentor(s) and host institution(s) at the time of proposal submission. Prospective Fellows may propose to hold the fellowship at: U.S. institutions of higher education, NSF-funded centers, facilities, or institutes,  U.S. non-profit organizations with research and educational missions, or International sites that are operated by U.S. organizations eligible for NSF funding, such as the Atacama Large Millimeter/submillimeter Array, Cerro Tololo InterAmerican Observatory, or Gemini South. National centers, facilities, sites, or institutes funded by other federal agencies, such as NASA or the U.S. Department of Energy, are ineligible as host institutions for the NSF AAPF Program. *Who May Serve as PI: Fellowships are awarded to individuals. The fellowship candidate submits their proposal directly to NSF.  An individual is eligible to submit a proposal to the NSF AAPF Program if all of the following criteria are met: The proposer is a citizen, national, or lawful permanent resident (Green Card Holder) of the United States. The proposer has earned the doctoral degree in an appropriate scientific field within five (5) years prior to the proposal submission deadline or will complete the doctoral degree by 1 October following the proposal deadline. By signing and submitting the proposal, the fellowship candidate is certifying that they meet the eligibility criteria specified in this program solicitation. Willful provision of false information in this request and its supporting documents or in reports required under an ensuing award is a criminal offense (U.S. Code, Title 18, Section 1001).

Description (from the official listing)

NSF Astronomy and Astrophysics Postdoctoral Fellowships provide an opportunity for highly qualified, recent doctoral scientists to carry out an integrated program of independent research and education. Fellows may engage in observational, instrumental, theoretical, laboratory or archival data research in any area of astronomy or astrophysics, in combination with a coherent educational plan for the duration of the fellowship. The program supports researchers for a period of up to three years with fellowships that may be taken to eligible host institutions of their choice. The program is intended to recognize early-career investigators of significant potential and to provide them with experience in research and education that will establish them in positions of distinction and leadership in the scientific community.

Agency contact

NSF grants.gov support grantsgovsupport@nsf.gov
grantsgovsupport@nsf.gov