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.
Highlights
Outflows from active galactic nuclei (AGN) play an important role in the evolution of the super-massive black holes (SMBH) at the centres of the AGN, as well as on the evolution of the host galaxies and their surroundings
We found that the wavelengths measured with RGS2 are 6.9 ± 0.7 mÅ longer than the wavelengths measured with RGS1 (Fig. 8)
To facilitate the derivation of the proper wavelength scale, we have compiled a list of the strongest spectral lines that are present in the spectrum of Mrk 509 (Table 3)
Summary
Outflows from active galactic nuclei (AGN) play an important role in the evolution of the super-massive black holes (SMBH) at the centres of the AGN, as well as on the evolution of the host galaxies and their surroundings. Our goal is to determine the distance of the photo-ionised gas to the SMBH, which currently has large uncertainties. For this reason we have started an extended monitoring campaign on one of the brightest AGN with an outflow, the Seyfert 1 galaxy Mrk 509 (Kaastra et al 2011). The time-averaged RGS spectrum is one of the best spectra ever taken with this instrument, and the statistical quality of this spectrum can be used to improve the current accuracy of the calibration and analysis tools. This creates new challenges for the analysis of the data. The full time-averaged spectrum will be presented elsewhere (Detmers et al 2011)
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