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Seyfert galaxies: a perspective with ISO-PHOT

  • Ana M. Pérez García (a1) and J.M. Rodríguez Espinosa (a1)

Abstract

We present mid and far-infrared energy distributions of the CfA Seyfert sample, obtained with the Infrared Space Observatory photometer (ISO-PHOT). To analyse the CfA Seyfert SEDS, we apply an inversion method: the Inverse Planckian Transform, assuming that the mid- and far-IR emission is thermal. We obtain the spectral temperature distribution of sources that reproduces the observed SEDS. We compare the parameters of the spectral components found showing that there are not differences between Seyfert 1 and Seyfert 2 as for their temperatures while the emission between 12 and 25 μm is anisotropic.

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Copyright

References

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Edelson, R.A. 1987, ApJ 313, 651
Huchra, J., Burg, R. 1992, ApJ 393, 90
Lucy, L.B. 1974, AJ 79, 745
Pérez García, A.M., Rodríguez Espinosa, J.M., Santolaya Rey, A.E. 1998, ApJ 500, 685
Richardson, W.H. 1972, J. Opt. Soc. Am. 62, 55
Rodríguez Espinosa, J.M., Pérez García, A.M. 1997, ApJ 487, L33
Rodríguez Espinosa, J.M., Perez Garcia, A.M., Lemke, D., Meisenheimer, K. 1996, A&A 315, L129

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