HST Call for Proposals for Cycle 25
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Hubble Space Telescope Call for Proposals for Cycle 25 > Chapter 6: Proposal Selection Procedures > 6.4 JWST Preparatory Observations

6.4
JWST Preparatory Observations
The James Webb Space Telescope (JWST) will be launched in October 2018. JWST will offer extensive photometric and spectroscopic capabilities spanning the wavelength range 0.7 to 28 microns. Some science programs undertaken with JWST can be enhanced by, and may even require, additional observations. The JWST Initiative is designed to provide an opportunity to obtain observations with Hubble that complement and enhance the scientific impact of JWST observations. In some cases, Hubble observations are essential to achieving critical science goals for future JWST programs. A description of past HST joint programs is available on the JWST Preparatory Programs webpage.
Small (Section 3.2.1), Medium (Section 3.2.2), Large (Section 3.2.3) and Treasury (Section 3.2.6) GO Proposals can be identified as supporting the JWST Initiative. SNAP, Archival and Theory proposals do not qualify for this initiative.
Proposers should use the Special Requirements section to describe the connection with specific JWST observations. If the Hubble observations are critical to the success of the future JWST program, the science goals of the full program should be described in the Scientific Justification, including an explanation as to why Hubble observations are deemed essential to achieve those goals. The panels and the TAC will consider the connection between the proposed Hubble and JWST observations as part of the review process. The proposal will be assessed based on the science expectations for the full program, including both the HST and JWST observations. Following the recommendations of the Space Telescope Users Committee, JWST Preparatory proposal data will, by default, not have a proprietary period (a default of zero months). A proprietary period may be requested, which will be additionally reviewed by the TAC.
If the Hubble observations are deemed essential to achieving the overall science goals, the proposal will be assessed based on the science expectations for the full program including both Hubble and JWST observations.
Proposers must check the “JWST Preparatory Science” box in APT to identify whether their proposal qualifies for this initiative.

Hubble Space Telescope Call for Proposals for Cycle 25 > Chapter 6: Proposal Selection Procedures > 6.4 JWST Preparatory Observations

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