About: Radial truncations in stellar discs in galaxies

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/oup/periodical/mnras/2004/volume_355/issue_1/w
Subject	>Papers galaxies: structure galaxies: fundamental parameters galaxies: spiral
Title	Radial truncations in stellar discs in galaxies
has manifestation of work	http://hub.abes.fr/oup/periodical/mnras/2004/volume_355/issue_1/101111j13652966200408307x/m/web http://hub.abes.fr/oup/periodical/mnras/2004/volume_355/issue_1/101111j13652966200408307x/m/print
related by	http://hub.abes.fr/oup/periodical/mnras/2004/volume_355/issue_1/101111j13652966200408307x/authorship/2 http://hub.abes.fr/oup/periodical/mnras/2004/volume_355/issue_1/101111j13652966200408307x/authorship/1
Author	Van Der Kruit P. C. Kregel M.
Abstract	Abstract. 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.
article type	research-article
is part of this journal	Monthly Notices of the Royal Astronomical Society

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