JWSTObserver's profile picture. JWST Observer is managed by STScI and provides astronomers with the most up-to-date information, news, and events related to observing with JWST.

JWST Observer

@JWSTObserver

JWST Observer is managed by STScI and provides astronomers with the most up-to-date information, news, and events related to observing with JWST.

Help us improve the #JWST user experience by providing feedback through our 2025 user survey: ow.ly/1rB450XjGtt

JWSTObserver's tweet image. Help us improve the #JWST user experience by providing feedback through our 2025 user survey: ow.ly/1rB450XjGtt

Join us for a special JWebbinar to continue discussions with the #JSWT Users Committee (JSTUC). Get the details: ow.ly/E25X50Xe7SL

JWSTObserver's tweet image. Join us for a special JWebbinar to continue discussions with the #JSWT Users Committee (JSTUC). Get the details: ow.ly/E25X50Xe7SL

For #JWST Cycle 5, proposals should be submitted even if observations appear non-schedulable in APT due to guide star availability in bright crowded fields. Get the details: ow.ly/F12v50X8LK7

JWSTObserver's tweet image. For #JWST Cycle 5, proposals should be submitted even if observations appear non-schedulable in APT due to guide star availability in bright crowded fields. Get the details: ow.ly/F12v50X8LK7

Join us for Webb Office Hours on October 9th and 23rd at 11 am (ET) to get your data-related questions answered by #JWST experts. APT and ETC experts will be available for proposal preparation questions during the October 9th session: ow.ly/BXTO50V6VNJ

JWSTObserver's tweet image. Join us for Webb Office Hours on October 9th and 23rd at 11 am (ET) to get your data-related questions answered by #JWST experts. APT and ETC experts will be available for proposal preparation questions during the October 9th session: ow.ly/BXTO50V6VNJ

#JWST Cycle 5 proposals can take advantage of NIRCam and NIRISS multistripe capabilities. Read more: ow.ly/vOoP50X5OrX

JWSTObserver's tweet image. #JWST Cycle 5 proposals can take advantage of NIRCam and NIRISS multistripe capabilities. Read more: ow.ly/vOoP50X5OrX

In the event of a potential partial U.S. government shutdown, STScI will extend the deadline for #JWST Cycle 5 proposals involving scientists who are unable to undertake research during that time. Get the details: ow.ly/z1x150X2eAj

JWSTObserver's tweet image. In the event of a potential partial U.S. government shutdown, STScI will extend the deadline for #JWST Cycle 5 proposals involving scientists who are unable to undertake research during that time. Get the details: ow.ly/z1x150X2eAj

Access all of the materials, including presentations, notes, exercises, and videos, covered during the 2025 JWST Summer School held in August: ow.ly/iI3T50X0NQm

JWSTObserver's tweet image. Access all of the materials, including presentations, notes, exercises, and videos, covered during the 2025 JWST Summer School held in August: ow.ly/iI3T50X0NQm

Join us for Webb Office Hours on September 11th and 25th at 11 am (ET) to get your data-related questions answered by #JWST experts. APT and ETC experts will be available for proposal preparation questions in the September sessions: ow.ly/BXTO50V6VNJ

JWSTObserver's tweet image. Join us for Webb Office Hours on September 11th and 25th at 11 am (ET) to get your data-related questions answered by #JWST experts. APT and ETC experts will be available for proposal preparation questions in the September sessions: ow.ly/BXTO50V6VNJ

Read the latest about JWST's Rocky Worlds Director's Discretionary Time program, including final targets and an upcoming information session: ow.ly/KfoB50WReQu

JWSTObserver's tweet image. Read the latest about JWST's Rocky Worlds Director's Discretionary Time program, including final targets and an upcoming information session: ow.ly/KfoB50WReQu

Don't wait! Check out the online resources STScI offers to help you prepare your #JWST Cycle 5 proposal: ow.ly/mC2J50WQofJ

JWSTObserver's tweet image. Don't wait! Check out the online resources STScI offers to help you prepare your #JWST Cycle 5 proposal: ow.ly/mC2J50WQofJ

New sky background images for #JWST's NIRISS Wide-Field Slitless Spectroscopy mode significantly improve the subtraction of the sky background in WFSS data. Read more: ow.ly/zShc50WMevx

JWSTObserver's tweet image. New sky background images for #JWST's NIRISS Wide-Field Slitless Spectroscopy mode significantly improve the subtraction of the sky background in WFSS data. Read more: ow.ly/zShc50WMevx

A new MIRI Wide Field Slitless Spectroscopy mode, which enables efficient spectroscopic observations of multiple sources in a single pointing, is available for #JWST Cycle 5. Get the details:  ow.ly/Wc6n50WKcM4

JWSTObserver's tweet image. A new MIRI Wide Field Slitless Spectroscopy mode, which enables efficient spectroscopic observations of multiple sources in a single pointing, is available for #JWST Cycle 5. Get the details:  ow.ly/Wc6n50WKcM4

Check out the next 4 JWebbinars offered in August and September to help the community prepare for #JWST Cycle 5: ow.ly/Bapp50WFcKa

JWSTObserver's tweet image. Check out the next 4 JWebbinars offered in August and September to help the community prepare for #JWST Cycle 5: ow.ly/Bapp50WFcKa

Join us for Webb Office Hours on August 14th and 28th at 11 am (ET) to get your data-related questions answered by #JWST experts: ow.ly/BXTO50V6VNJ

JWSTObserver's tweet image. Join us for Webb Office Hours on August 14th and 28th at 11 am (ET) to get your data-related questions answered by #JWST experts: ow.ly/BXTO50V6VNJ

Build 12.0 includes improvements for #JWST's MIRI, NIRCam, and NIRISS instruments as well as time-series observations. Read more: ow.ly/zE2P50WAGsf

JWSTObserver's tweet image. Build 12.0 includes improvements for #JWST's MIRI, NIRCam, and NIRISS instruments as well as time-series observations. Read more: ow.ly/zE2P50WAGsf

New models of the count rate better predict the decrease in future observing cycles. These models will be incorporated into upcoming Build 12.1 of the pipeline (expected November 2025) and Cycle 6 of the #JWST ETC. Get the details: ow.ly/OkP450WyJh7

JWSTObserver's tweet image. New models of the count rate better predict the decrease in future observing cycles. These models will be incorporated into upcoming Build 12.1 of the pipeline (expected November 2025) and Cycle 6 of the #JWST ETC. Get the details: ow.ly/OkP450WyJh7

We are pleased to announce the release of the #JWST Cycle 5 Call for Proposals for General Observer and Survey time and funding for Archival Research programs. Read more:  ow.ly/b5SW50WyF61

JWSTObserver's tweet image. We are pleased to announce the release of the #JWST Cycle 5 Call for Proposals for General Observer and Survey time and funding for Archival Research programs. Read more:  ow.ly/b5SW50WyF61

Version 5.0 of the #JWST ETC features added support for MIRI WFSS mode and 4 new NIRISS SOSS multi-stripe subarrays, easier sharing and better error messaging, and backend improvements to better support hundreds of simultaneous users. Get the details: ow.ly/PTL150WygRB

JWSTObserver's tweet image. Version 5.0 of the #JWST ETC features added support for MIRI WFSS mode and 4 new NIRISS SOSS multi-stripe subarrays, easier sharing and better error messaging, and backend improvements to better support hundreds of simultaneous users. Get the details: ow.ly/PTL150WygRB

Join us for Webb Office Hours on July 10th and 24th at 11 am (ET) to get your data-related questions answered by #JWST experts: ow.ly/BXTO50V6VNJ

JWSTObserver's tweet image. Join us for Webb Office Hours on July 10th and 24th at 11 am (ET) to get your data-related questions answered by #JWST experts: ow.ly/BXTO50V6VNJ

Build 11.3 includes an improved method to correct for MIRI Medium Resolution Spectrometer (MRS) cosmic ray “shower” artifacts. Get the details: ow.ly/AGUX50Wmtsb

JWSTObserver's tweet image. Build 11.3 includes an improved method to correct for MIRI Medium Resolution Spectrometer (MRS) cosmic ray “shower” artifacts. Get the details: ow.ly/AGUX50Wmtsb

Loading...

Something went wrong.


Something went wrong.