High Resolution XMM-Newton Data of Nova Outbursts using Warm & Hot Absorber Models

High Resolution XMM-Newton Data of Nova Outbursts using Warm & Hot Absorber Models

We reanalyze a selection of the XMM-Newton RGS (Reflection Grating Spectrometer) data of two classical novae; V4743 Sgr and V2491 Cyg. The high resolution nova spectra in the X-ray wavelengths show existence of absorption features (e.g., blue shifted). Our main aim is to model the absorption compone...

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Veröffentlicht in:Proceedings of the International Astronomical Union 2011-07, Vol.7 (S281), p.124-125
Hauptverfasser: Balman, S, Pekön, Y
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Starbursts
Supernovae
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Pekön, Y
description We reanalyze a selection of the XMM-Newton RGS (Reflection Grating Spectrometer) data of two classical novae; V4743 Sgr and V2491 Cyg. The high resolution nova spectra in the X-ray wavelengths show existence of absorption features (e.g., blue shifted). Our main aim is to model the absorption components detected in the high resolution spectra independently from the assumed continuum model. We assume that there is complex absorption of interstellar, photospheric, and of collisionally and/or photoionized gas origin in the moving material along the line of sight from a nova wind or ejecta. In addition to deriving the absorption properties, we obtain CNO abundances of elements in the ejecta/nova wind.
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subjects Contributed Papers
Starbursts
Supernovae
title High Resolution XMM-Newton Data of Nova Outbursts using Warm & Hot Absorber Models
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