Multiwavelength campaign on Mrk 509. II. Analysis of high-quality Reflection Grating Spectrometer spectra - Archive ouverte HAL Access content directly
Journal Articles Astronomy and Astrophysics - A&A Year : 2011

Multiwavelength campaign on Mrk 509. II. Analysis of high-quality Reflection Grating Spectrometer spectra

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1
J. S. Kaastra
  • Function : Author
C. P. de Vries
  • Function : Author
K. C. Steenbrugge
  • Function : Author
R. G. Detmers
  • Function : Author
J. Ebrero
  • Function : Author
E. Behar
  • Function : Author
S. Bianchi
E. Costantini
  • Function : Author
G. A. Kriss
  • Function : Author
M. Mehdipour
S. Paltani
C. Pinto
  • Function : Author
G. Ponti
  • Function : Author

Abstract


Aims: We study the bright Seyfert 1 galaxy Mrk 509 with the Reflection Grating Spectrometers (RGS) of XMM-Newton, using for the first time the RGS multi-pointing mode of XMM-Newton to constrain the properties of the outflow in this object. We obtain very accurate spectral properties from a 600 ks spectrogram of Mrk 509 with excellent quality.
Methods: We derive an accurate relative calibration for the effective area of the RGS and an accurate absolute wavelength calibration. We improve the method for adding time-dependent spectra and enhance the efficiency of the spectral fitting by two orders of magnitude.
Results: Taking advantage of the spectral data quality when using the new RGS multi-pointing mode of XMM-Newton, we show that the two velocity troughs previously observed in UV spectra are resolved.
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Dates and versions

insu-03623400 , version 1 (29-03-2022)

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Attribution - CC BY 4.0

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J. S. Kaastra, C. P. de Vries, K. C. Steenbrugge, R. G. Detmers, J. Ebrero, et al.. Multiwavelength campaign on Mrk 509. II. Analysis of high-quality Reflection Grating Spectrometer spectra. Astronomy and Astrophysics - A&A, 2011, 534, ⟨10.1051/0004-6361/201116870⟩. ⟨insu-03623400⟩
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