Oct 15, 2018

Amendment 33: D.10 NuSTAR GO Due Date Change

ROSES-18 Amendment 33: ROSES-18 Amendment 33: D.10 Nuclear Spectroscopic Telescope Array (NuSTAR) Guest Observer (GO) Cycle 5 Due Date Change.

The Nuclear Spectroscopic Telescope Array (NuSTAR) Guest Observer (GO) Program solicits proposals for basic research relevant to the NuSTAR mission.

This Amendment announces a change of due date for D.10 NuSTAR GO - Cycle 5. Phase-1 Proposals are now due January 25, 2019. Proposers must submit their Phase-1 proposals (including the accompanying target forms) electronically through the ARK/RPS website at Instructions for submitting proposals via ARK/RPS are provided at the HEASARC NuSTAR web site:

Technical questions concerning this program element may be directed to Andrew Ptak, the NuSTAR Mission Scientist, at

Programmatic information may be obtained from Bill Latter, the NuSTAR Program Scientist, at