Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-08
New Astron.Rev. 44 (2000) 547-549
Astronomy and Astrophysics
Astrophysics
Contributed talk presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Revie
Scientific paper
10.1016/S1387-6473(00)00096-8
The connection between the coronal lines and the warm absorber is examined systematically. In an earlier work it was found that the coronal line emitting plasma and the warm absorber gas share the same density and temperature. If there is a connection between the warm absorber gas and the forbidden high-ionization line (FHIL) plasma, one can use the profiles of coronal lines to derive the kinematics and dynamics of the warm absorber due to the high spectral resolution available in the optical range. Further support for a connection is a correlation between the equivalent width of [Fe X] 6375 and the ROSAT spectral index found for an optically selected sample. For X-ray selected objects with absorption edges observed by ASCA, we looked for a correlation between the coronal lines and the warm absorber gas. A direct correlation cannot be confirmed.
Appenzeller Immo
Pfeiffer Markus
Wagner Stefan
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