[CII] at 158 mic as a star formation tracer in late-type galaxies

Details [CII] at 158 mic as a star formation tracer in late-type galaxies [CII] at 158 mic as a star formation tracer in late-type galaxies

2002-01-29

arxiv.org/abs/astro-ph/0201471v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication on Astronomy & Astrophysics

Scientific paper

10.1051/0004-6361:20020156

We present a calibration of the massive star formation rate vs. [CII] luminosity relation based on a sample of nearby, late-type galaxies observed with ISO-LWS and imaged in the Halpha+[NII] line. The relation holds for far-IR luminosities 10^8 < L_{FIR} < 10^{10.5} L (solar units). The derived star formation rates have an uncertainty of about a factor of 10. Part of this uncertainty is due to the different mix of contributions to the [CII] emission from the different components of the interstellar medium in individual galaxies, as discussed in an appendix.

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