Gravitational instability and star formation in disk galaxies

Details Gravitational instability and star formation in disk galaxies Gravitational instability and star formation in disk galaxies

1998-09-16

arxiv.org/abs/astro-ph/9809205v1

Astronomy and Astrophysics

Astrophysics

10 pages, 3 figures, submitted to MNRAS

Scientific paper

10.1046/j.1365-8711.1999.02474.x

We present a general star formation law where star formation rate depends upon efficiency $\alpha$, timescale $\tau$ of star formation, gas component $\sigma_{g}$ of surface mass density and a real exponent $n$. A given exponent $n$ determines $\tau$ which however yields the corresponding star formation rate. Current nominal Schmidt exponent $n_{s}$ for our model is $2

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