New JWST observations of Centaurus A detect H2 lines up to S(8) and map a warm molecular disk with a 20-pc cavity aligned to the jet, filamentary high-excitation structures, S-shaped kinematics, and an inward streamer, yielding a warm H2 mass of 5.6e5 solar masses heated by shocks.
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Velocity-resolved [O I] maps of the Orion BN/KL outflow yield a total luminosity of 86.5 L_sun and line ratios indicating dense (10^5–10^6 cm^-3), warm (~500 K) postshock gas from 30–40 km/s dissociative J-type shocks illuminated by external UV.
New NIR diagnostic diagrams using [C I]/Paγ and H2 1-0 O(5)/PAH 3.3μm ratios correlate with radiation field hardness and distinguish star formation, AGN, and shock excitation in galaxy nuclei.
JWST spectroscopy reveals radio jets in nearby AGN drive multiphase ISM turbulence and shock-dominated H2 excitation both along and perpendicular to the jet direction.
Multi-phase molecular gas in IRAS20551-4250 is dominated by cold CO, shows UV-heated warm H2, tidal features from a merger, and no molecular outflows, consistent with ongoing star formation.
citing papers explorer
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MICONIC: The multiphase circumnuclear region of Centaurus A as seen with JWST/MIRI MRS observations. I. Spectral inventory and properties of the warm molecular disk
New JWST observations of Centaurus A detect H2 lines up to S(8) and map a warm molecular disk with a 20-pc cavity aligned to the jet, filamentary high-excitation structures, S-shaped kinematics, and an inward streamer, yielding a warm H2 mass of 5.6e5 solar masses heated by shocks.
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Velocity-resolved [O I] 63,145 um, [C II] 158 um, and OH line mapping along the Orion BN/KL explosive outflow and irradiated shocks
Velocity-resolved [O I] maps of the Orion BN/KL outflow yield a total luminosity of 86.5 L_sun and line ratios indicating dense (10^5–10^6 cm^-3), warm (~500 K) postshock gas from 30–40 km/s dissociative J-type shocks illuminated by external UV.
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Near-infrared diagnostic diagrams of the gas ionization sources in nearby galaxies: a JWST NIRSpec view
New NIR diagnostic diagrams using [C I]/Paγ and H2 1-0 O(5)/PAH 3.3μm ratios correlate with radiation field hardness and distinguish star formation, AGN, and shock excitation in galaxy nuclei.
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Jet-driven shocks and turbulence in radio-loud Active Galactic Nuclei observed with JWST MIRI/MRS
JWST spectroscopy reveals radio jets in nearby AGN drive multiphase ISM turbulence and shock-dominated H2 excitation both along and perpendicular to the jet direction.
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GOALS-JWST: Resolved multi-phase molecular gas in IRAS 20551-4250 using JWST and ALMA
Multi-phase molecular gas in IRAS20551-4250 is dominated by cold CO, shows UV-heated warm H2, tidal features from a merger, and no molecular outflows, consistent with ongoing star formation.