Strong Coronal Emission Lines from the Hiner of H2106-099

Details Strong Coronal Emission Lines from the Hiner of H2106-099 Strong Coronal Emission Lines from the Hiner of H2106-099

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1533e&link_type=abstract

Chandra Proposal ID #05700873

Computer Science

Chandra Proposal Id #05700873

Scientific paper

We propose to test whether strong soft X-ray emission lines are predicted by a strong HINER, as indicated by optical coronal lines (e.g. [FeVII], [FeX]). If so then the Warm Absorber and the HINER must be closely related. We propose a 100ksec LETG/HRC obsevation of H2106-099, a bright but little studied Seyfert 1. H2106-099 has double the [FeVII] flux of NGC3783, and weak [OIII], suggesting a strong, compact HINER. We predict 22 counts/resolution element in 1st order. Emission lines with EW>200mA (at 22A) will be visible at 5sigma, well within predictions. To complement this observation we request CTIO high resolution spectra of the optical region containing the coronal lines, and HST-STIS spectra to measure the high ionization UV lines (CIV, NV).

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