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We leverage extensive spatial and spectroscopic information provided by the JWST\/MIRI Medium Resolution Spectrograph instrument to disentangle mid-infrared ionized gas structures in the central 0.1 pc of the Galaxy. The Galactic Minispiral\u2019s Bar and Northern Arm are revealed by their distinct morphological and kinematic signatures. Several compact (&lt;1\u2033) gas structures including X7 also appear within \u223c0.05 pc of Sgr\u00a0A* in the plane of the sky, moving with blueshifted radial velocities \u2273 600\u00a0km\u00a0s\n                    <jats:sup>\u22121<\/jats:sup>\n                    . Fine-structure line measurements spanning ionization potentials \u223c 7\u201355\u00a0eV are used to constrain the incident radiation field, metal abundances (neon, argon, sulfur, nickel, and iron), and dust depletion or destruction for each identified gas structure. Overall, the Minispiral gas shows mildly supersolar abundances (\u223c1.8 \u00d7\u00a0solar), a Wolf\u2013Rayet-star-driven radiation field consistent with ionization parameters spanning\n                    <jats:inline-formula>\n                      <jats:tex-math>\n                        \n                      <\/jats:tex-math>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" overflow=\"scroll\">\n                        <mml:mo>\u2212<\/mml:mo>\n                        <mml:mn>1.6<\/mml:mn>\n                        <mml:mo>\u2272<\/mml:mo>\n                        <mml:mi>log<\/mml:mi>\n                        <mml:mi>U<\/mml:mi>\n                        <mml:mo>\u2272<\/mml:mo>\n                        <mml:mo>\u2212<\/mml:mo>\n                        <mml:mn>0.6<\/mml:mn>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    , and significant nickel and iron dust destruction. In particular, the enhanced ionization state and strong dust processing in the high-velocity compact gas structures suggest that these features may experience localized fast shocks.\n                  <\/jats:p>","DOI":"10.3847\/1538-3881\/ae994d","type":"journal-article","created":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T09:33:46Z","timestamp":1792402426000},"page":"267","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Ionization Structure and Metal Enrichment of the Galactic Center Minispiral Observed with JWST"],"prefix":"10.3847","volume":"172","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8921-3624","authenticated-orcid":true,"given":"Nicole M.","family":"Ford","sequence":"first","affiliation":[{"name":"McGill University"},{"name":"3550 Rue University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9641-6550","authenticated-orcid":true,"given":"Mayura","family":"Balakrishnan","sequence":"additional","affiliation":[{"name":"McGill University"},{"name":"3550 Rue University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9156-2249","authenticated-orcid":true,"given":"Sebastiano D.","family":"von Fellenberg","sequence":"additional","affiliation":[{"name":"University of Toronto"},{"name":"Max Planck Insitute for Radioastronomy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6803-2138","authenticated-orcid":true,"given":"Daryl","family":"Haggard","sequence":"additional","affiliation":[{"name":"McGill University"},{"name":"3550 Rue University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3503-3446","authenticated-orcid":true,"given":"Joseph M.","family":"Michail","sequence":"additional","affiliation":[{"name":"Center for Astrophysics | Harvard & Smithsonian"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6311-4345","authenticated-orcid":false,"given":"Yuzhu","family":"Cui","sequence":"additional","affiliation":[{"name":"Central China Normal University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5599-4650","authenticated-orcid":true,"given":"Joseph L.","family":"Hora","sequence":"additional","affiliation":[{"name":"Center for Astrophysics | Harvard & Smithsonian"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8247-786X","authenticated-orcid":true,"given":"Joey","family":"Neilsen","sequence":"additional","affiliation":[{"name":"Villanova University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0406-7387","authenticated-orcid":true,"given":"Giacomo","family":"Principe","sequence":"additional","affiliation":[{"name":"Universit\u00e1 di Trieste"},{"name":"Istituto Nazionale di Fisica Nucleare"},{"name":"INAF Istituto di Radioastronomia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-9906-2745","authenticated-orcid":true,"given":"Tamojeet","family":"Roychowdhury","sequence":"additional","affiliation":[{"name":"University of California Berkeley"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7134-9005","authenticated-orcid":true,"given":"Nadeen B.","family":"Sabha","sequence":"additional","affiliation":[{"name":"Universit\u00e4t Innsbruck"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Howard A.","family":"Smith","sequence":"additional","affiliation":[{"name":"Center for Astrophysics | Harvard & Smithsonian"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-8539-3516","authenticated-orcid":false,"given":"Zach","family":"Sumners","sequence":"additional","affiliation":[{"name":"McGill University"},{"name":"3550 Rue University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9895-5758","authenticated-orcid":true,"given":"S. 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