Physics
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.460..459m&link_type=abstract
The Promise of the Herschel Space Observatory. Eds. G.L. Pilbratt, J. Cernicharo, A.M. Heras, T. Prusti, & R. Harris. ESA-SP 460
Physics
1
Galaxies: Star Formation: Activity: Liners, Missions: First
Scientific paper
LINERs galaxies have been considered as the low level end of the family of Active Galactic Nuclei (AGNs). But a lack of consensus does still exist on the nature of these galaxies. Some of them show clear evidences for an AGN nature whereas data at different frequencies seem to support an Starburst origin as the responsible of their observed properties. The general properties at FIR of LINERs have not been properly studied. Among the LINERs reported in the multifrequency catalogue by Carrillo, Masegosa et al. (1999) 335 have been observed with IRAS. In this paper we present a preliminary analysis of these data. The most relevant result obtained so far is that the 12 microns emission is associated with the cold disk dust emission. The ISO database have been used to search for all the LINERs observed with the Long Wavelength Spectrograph looking for C+ detections. In 27 galaxies out of the 69 LINERs observed with ISO the [CII]λ 158 microns has been measured. The main conclussion from this analysis is that C+ is not related to the recent star formation events but instead it seems to be associated to the PDRs in giant molecular clouds.
Cernicharo Jose
Marquez Isabel
Masegosa Josefa
Sempere Maria J.
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