[CII] at 158μm as a star formation tracer in late-type galaxies
Open Access
- 15 April 2002
- journal article
- Published by EDP Sciences in Astronomy & Astrophysics
- Vol. 385 (2) , 454-463
- https://doi.org/10.1051/0004-6361:20020156
Abstract
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.Comment: Accepted for publication on Astronomy & AstrophysicKeywords
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