TNG300-1 Gas particle data mising

Hasitha Eranda
  • 17 Dec '21

Hi,

I have downloaded particle data for snapshot 99 in TNG300-1. For some subhalos I can't load gas particle data. Also When I tried web API for those subhalos, There is no track of subhalo gas mass for higher snapshots. Is there way I could get the gas particles data? Thank you

Best,
Hasitha

Dylan Nelson
  • 17 Dec '21

Dear Hasitha,

Can you provide a specific example? (Subhalo ID)

It is likely that there is simply no gas in the subhalo. Not all subhalos have gas.

Hasitha Eranda
  • 17 Dec '21

Hi Dylan,

For ex. subhalo id 1572823 in snapshot 99. It shows gas mass before snapshot 60. Thank you

Dylan Nelson
  • 17 Dec '21

Dear Hasitha,

That subhalo has no gas at z=0. It is a central, but at snapshot 89 and prior it was a satellite. If I had to guess, then, I would think it's a splashback galaxy whose gas has been completed stripped due to its prior interaction with a massive host.

Hasitha Eranda
  • 4 Jan

Thanks a lot Dylan

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