NASA's James Webb Space Telescope

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JWST Community Lecture Series - Wide-Field Slitless Spectroscopy with the James Webb Space Telescope (G. Brammer)

Community Lecture
April 11, 2017 11:00 AM EDT - April 11, 2017  12:00 PM EDT
Baltimore STScI Muller Auditorium


I will review the wide-field slitless spectroscopic (WFSS) capabilities of the JWST instruments NIRISS and NIRCam.  Using a grism element and no slits, JWST WFSS will probe parameter space intermediate between standard imaging and IFU and multi-object spectroscopy observing modes, providing uniform spectra of large, unbiased samples of stars and galaxies that can be used to measure spectral types, redshifts, and spatially-resolved emission line diagnostics.  However, with no slits, the overlapping spectra of neighboring objects must be carefully modeled in order to robustly extract this information.  I will review some recent science results and analysis challenges from HST WFSS programs, and use them to demonstrate tools that can be used for simulating and analyzing future JWST observations.

Attend the lecture via Live Streaming:

or Webex at:

1-855-244-8681 Call-in toll-free number (US/Canada)

1-650-479-3207 Call-in toll number (US/Canada)

Meeting number (access code): 642 360 457
Meeting password: GoJWST!!