A new HI absorption survey with ASKAP detects cold gas extensively across the Magellanic system, finding a cold neutral medium fraction of 0.12 in the Bridge similar to the SMC.
@doi [ ] 10.1086/367785
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Resolved HI observations of six baryon-dominated dwarf galaxy candidates show four are dark-matter deficient with high baryon efficiency, two in isolated environments without tidal signs.
Broad HCO+ absorption traces diffuse CO-dark H2 with f_mol=0.09, f_CNM=0.38, and CO abundance ≲10^{-5} relative to H2, undetected in CO emission or absorption below few×10^{19} cm^{-2}.
Observational modeling of GWA and LAB survey spectra yields 19.8% CNM, 32.5% UNM and 47.8% WNM, in agreement with the TIGRESS-NCR simulation under fixed spin-temperature boundaries.
citing papers explorer
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Revealing the cold skeleton of the Magellanic Clouds and the Magellanic Bridge with ASKAP
A new HI absorption survey with ASKAP detects cold gas extensively across the Magellanic system, finding a cold neutral medium fraction of 0.12 in the Bridge similar to the SMC.
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HI Observations of Baryon-Dominated Dwarf Galaxy Candidates
Resolved HI observations of six baryon-dominated dwarf galaxy candidates show four are dark-matter deficient with high baryon efficiency, two in isolated environments without tidal signs.
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CO-dark molecular gas traced by HCO$^+$ in the diffuse interstellar medium
Broad HCO+ absorption traces diffuse CO-dark H2 with f_mol=0.09, f_CNM=0.38, and CO abundance ≲10^{-5} relative to H2, undetected in CO emission or absorption below few×10^{19} cm^{-2}.
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Gas Phase Distribution in the Neutral ISM: A Comparison between Observation and Numerical Simulation
Observational modeling of GWA and LAB survey spectra yields 19.8% CNM, 32.5% UNM and 47.8% WNM, in agreement with the TIGRESS-NCR simulation under fixed spin-temperature boundaries.