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Spatially Resolved UV Spectroscopy

This Science Analysis Group (SAG) will produce essential input for the HWO Community Science and Instrument Team (CSIT) and HWO Technology Maturation Project Office (HTMPO) deliberations on spatially resolved UV science and technology for Habitable Worlds Observatory.

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About Spatially Resolved UV Spectroscopy SAG

Addressing Science Goals Defined by the 2020 Astrophysics Decadal Survey

The ultraviolet (UV) spectrograph will be key to addressing the science goals of “Cosmic Ecosystems” and “Worlds and Suns in Context.”

Artist’s rendition of a data cube created from NGC 4414. Overlaid slits represent an image slicer-enabled integral field spectrograph. Overlaid boxes represent the apertures of a multi-object spectrograph.
NGC 4414 Image Credit: The Hubble Heritage Team (AURA/STScI/NASA). Image Credit: Emily Witt

The Habitable Worlds Observatory (HWO) will be the next flagship instrument of NASA Astrophysics capable of addressing fundamental questions concerning galaxy growth, cosmology, the evolution of elements, planetary systems, and more. The ultraviolet (UV) spectrograph, capable of spatially resolved spectroscopy, will be key to addressing the science goals of “Cosmic Ecosystems” and “Worlds and Suns in Context” as defined by 2020 Astrophysics Decadal Survey. Extensive preparation regarding what UV technology will be available for use on HWO and what science cases most need to be addressed has occurred. The goal of this SAG is to build on that work and consider the parameter space that maximizes HWO science return and is also feasible with the UV spectroscopic technology that is expected to be available in the next four to five years.

The goals of this SAG are to analyze the status of UV technology development for spatially resolved spectroscopy, identify new science capabilities enabled by the performance metrics of an integral field spectrograph (IFS) beyond those made possible by a workhorse multi-object spectrograph (MOS), and review UV spectroscopy requirements for general astrophysics. The group will consolidate, build upon, and update previous work on this topic by the LUVOIR and HabEx Science and Technology Definition Teams and the UV Science and Technology Working Group in support of HWO. The outcomes of the analysis will be communicated to NASA and the astrophysics community through reports to the COPAG Executive Committee, Cosmic Origins UV Science and Technology Interest Group (UV STIG), the HWO Community Science and Instrument Team (CSIT), and the HWO Technology Maturation Project Office (HTMPO). This Science Analysis Group (SAG) will produce essential input for CSIT and HTMPO deliberations on spatially resolved UV science and technology for Habitable Worlds Observatory.

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SAG Membership

NameInstitution
Emily Witt, Lead Johns Hopkins University
Brian Fleming University of Colorado
Paul Scowen HWO, NASA GSFC
Erika Hamden University of Arizona
Stephan McCandliss Johns Hopkins University
Susan KassinSpace Telescope Science Institute
David SchiminovichColumbia University
Sanchayeeta BorthakurArizona State Universit
Hsiao-wen ChenUniversity of Chicago
Anne JaskotWilliams College
Claudia ScarlataUniversity of Minnesota
Bethan JamesSpace Telescope Science Institute
Christi ErbaSpace Telescope Science Institute
David RupkeRhodes College
Peter SenchynaCarnegie Observatories
Sarah TuttleUniversity of Washington
Kevin FranceUniversity of Colorado
Aki RobergeHWO, NASA GSFC
Shouleh NikzadJet Propulsion Laboratory
Matthew HayesStockholm University
Dimitry VorobievUniversity of Colorado
Aaron YungSpace Telescope Science Institute
Arika EganJHU Applied Physics Laboratory
Drew MilesCalifornia Institute of Technology
Massimo RobbertoSpace Telescope Science Institute
Richard CartwrightJHU Applied Physics Laboratory
Joe BurchettNew Mexico State University
Blair RussellChapman University
Nicole MelsoRIT

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Angled from the upper left corner to the lower right corner is a cone-shaped orange-red cloud known as Herbig-Haro 49/50. This feature takes up about three-fourths of the length of this angle. The upper left end of this feature has a translucent, rounded end. The conical feature widens slightly from the rounded end at the upper right down to the lower right. Along the cone there are additional rounded edges, like edges of a wave, and intricate foamy-like details, as well as a clearer view of the black background of space. In the upper left, overlapping with the rounded end of Herbig-Haro 49/50, is a background spiral galaxy with a concentrated blue center that fades outward to blend with red spiral arms. The background of space is speckled with some white stars and smaller, more numerous, fainter white galaxies throughout.