136 citations · 275 across the 4 of their papers we have counts for
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astro-ph2000★ 43 cited
XMM - Newton observations of Markarian 421
W. Brinkmann, S. Sembay, R. G. Griffiths +6
The BL Lac object Mrk 421 was observed on May 25, 2000 during the XMM - Newton CAL/PV phase. The high throughput of the X-ray telescopes and the spectral capabilities of the instru…
astro-ph2000★ 136 cited
Soft X-ray emission lines from a relativistic accretion disk in MCG -6-30-15 and Mrk 766
G. Branduardi-Raymont, M. Sako, S. M. Kahn +3
XMM-Newton Reflection Grating Spectrometer (RGS) spectra of the Narrow Line Seyfert 1 galaxies MCG -6-30-15 and Mrk 766 are physically and spectroscopically inconsistent with stand…