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HEAD 2000, November 2000 Session 1. Active Galaxies: Seyferts
 

Summary: HEAD 2000, November 2000
Session 1. Active Galaxies: Seyferts
Oral, Monday, November 6, 2000, 8:00­9:30am, Pago Pago Ballroom
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[1.05] High Resolution Spectroscopy of the Nuclear Region of
NGC1068 with XMM­Newton/RGS
F. Paerels (Columbia University), M. Audard (Paul Scherrer Institute), E. Behar (Columbia University),
G. Branduardi­Raymont (Mullard Space Science Laboratory), A. C. Brinkman (Space Research
Organization of the Netherlands), J. Cottam (Columbia University), A. den Boggende, J.­W. den Herder,
C. de Vries, C. Ferrigno (Space Research Organization of the Netherlands), M. Guedel (Paul Scherrer
Institute), J. Kaastra (Space Research Organization of the Netherlands), S. M. Kahn (Columbia
University), R. Mewe (Space Research Organization of the Netherlands), J. Peterson, A. Rasmussen
(Columbia University), I. Sakelliou (Mullard Space Science Laboratory), M. Sako (Columbia
University), T. Tamura, K. van der Heyden (Space Research Organization of the Netherlands)
The soft X­ray spectrum of the innermost regions (r < 30 arcsec) of NGC1068 as observed with the
Reflection Grating Spectrometer on XMM/Newton displays a wealth of discrete features. Preliminary
analysis of the spectrum indicates that the emission is completely dominated by recombination in cool,
X­ray photoionized gas, with a possible contribution from emission following photoexcitation by the
obscured central continuum source. We briefly discuss constraints on the properties of the emission line
region derived from the spectroscopic analysis.

  

Source: Audard, Marc - INTEGRAL Science Data Centre & Observatory of Geneva, Université de Genève
Guedel, Manuel - Institut für Astronomie, Universität Wien

 

Collections: Physics