"inner" and "outer" fuzz

Flaminia Fortuni
  • 27 Jan '22

What is the physical meaning of "inner" and "outer" fuzzes, the first defined as particles which are outside of any subhalo, and the latter particles which are outside any FoF halo? are they physical galaxies, SSP or unphysical objects? Thanks

Dylan Nelson
  • 27 Jan '22

Do you mean for star particles? If so, "inner fuzz" i.e. extended halo particles would be called stellar halos or intra-cluster light (ICL). "Outer fuzz" would be very extended stellar halos.

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