circumgalactic medium
(CGM)
(gas surrounding a galaxy)
The circumgalactic medium (CGM) is
the gas (and perhaps dust)
surrounding galaxies,
generally what's beyond the galactic disk but
within its virial radius.
(galaxies,gas,dust)
Further reading:
https://en.wikipedia.org/wiki/Warm%E2%80%93hot_intergalactic_medium#Circumgalactic_medium
https://ned.ipac.caltech.edu/level5/March18/Tumlinson/frames.html
https://arxiv.org/abs/2412.10579
https://ui.adsabs.harvard.edu/abs/2017ARA%26A..55..389T/abstract
https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.368P/abstract
https://ui.adsabs.harvard.edu/abs/2025ApJ...986..190S/abstract
https://arxiv.org/abs/2307.01273
https://arxiv.org/abs/2409.00174
https://www.swinburne.edu.au/research/centres-groups-clinics/centre-for-astrophysics-supercomputing/our-research/circumgalactic-intergalactic-medium/
Index