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Extreme Warm Absorber variability in the Seyfert Galaxy Mrk 704
Galaxies: active – X-rays: galaxies – X-rays: individual: Mrk 704
2011/9/28
In about half of Seyfert galaxies, the X-ray emission is absorbed by an optically thin, ionized medium, the so-called "Warm Absorber", whose origin and location is still a matter of debate. The aims o...
Narrow-line Seyfert 1 galaxies: an amasing class of AGN
Masers – Galaxies: active – Galaxies: nuclei – Galaxies: Seyfert – Radio lines: galaxies
2011/10/21
Narrow-line Seyfert 1 (NLS1) galaxies are a class of active galactic nuclei (AGN) that have all the properties of type 1 Seyfert galaxies but show peculiar characteristics, including the narrowest Bal...
Resolving the nuclear dust distribution of the Seyfert 2 galaxy NGC 3081
galaxies: active – galaxies: nuclei – galaxies: imaging – galaxies: indi-vidual
2011/10/8
We report far-infrared (FIR) imaging of the Seyfert 2 galaxy NGC 3081 in the range 70-500 micron, obtained with an unprecedented angular resolution, using the Herschel Space Observatory instruments PA...
Modeling of the broad band X-ray spectra of the Seyfert 1 Mrk 841
X-ray spectra Seyfert 1 Mrk 841 broad band
2009/7/9
Modeling of the broad band X-ray spectra of the Seyfert 1 Mrk 841。