NASA ROSES-19 Amendment 27: D.11 NICER GO Final Text and Due Date

Status Report From: NASA Science Mission Directorate
Posted: Wednesday, August 14, 2019

ROSES-19 Amendment 27: This amendment releases final text and announces the final due date for program element D.11, The Neutron Star Interior Composition Explorer (NICER) Guest Observer (GO) program.


The NICER GO program solicits proposals for observations with NICER addressing all areas of astrophysics, with 7 Ms of available time and ~$1.5 M available in FY20. Proposers may also request coordinated NuSTAR observations of their proposed NICER targets. A total of up to 400 ks of NuSTAR observing time is available within this Cycle.


Phase-1 proposals are due by 4:30 p.m. Eastern time November 13, 2019 (via ARK/RPS).

On or about August 14, 2019, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2019" (NNH19ZDA001N) will be posted on the NASA research opportunity homepage at and will appear on the RSS feed at:


Technical questions concerning this program element may be directed to Keith Gendreau, the NICER PI


Programmatic information may be obtained from the NICER Program Officer, Rita Sambruna at


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