SIMBAD references

2004MNRAS.355..143K - Mon. Not. R. Astron. Soc., 355, 143-146 (2004/November-3)

Radial truncations in stellar discs in galaxies.

KREGEL M. and VAN DER KRUIT P.C.

Abstract (from CDS):

We discuss the possible origin of the radial truncations in stellar discs, using measurements that we presented in an earlier paper. A tentative correlation is found with the de-projected face-on central surface brightness; lower surface brightness discs tend to have a smaller truncation radius in units of scalelength. This and our earlier finding that in smaller spirals the truncation tends to occur at a larger number of scalelengths are best reproduced when the truncation is caused by a constant gas-density threshold on star formation.

Abstract Copyright: 2004 RAS

Journal keyword(s): galaxies: fundamental parameters - galaxies: spiral - galaxies: structure

Simbad objects: 4

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