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146 papers · 1 filter
Multi-wavelength campaign on NGC7469 I. The rich 640 ks RGS spectrum
Ehud Behar, Uria Peretz, Gerard A. Kriss +15
Outflows in active galaxies (AGNs) are common, although their launching mechanism, location, and physical impact on the host galaxy remain controversial. We conducted a multiwavele…
Absorption and scattering by interstellar dust in the silicon K-edge of GX 5-1
S. T. Zeegers, E. Costantini, C. P. de Vries +6
We study the absorption and scattering of X-ray radiation by interstellar dust particles, which allows us to access the physical and chemical properties of dust. The interstellar d…
Interferometric Evidence for Quantum Heated Particles in the Inner Region of Protoplanetary Disks around Herbig Stars
L. Klarmann, M. Benisty, M. Min +6
To understand the chemical composition of planets, it is important to know the chemical composition of the region where they form in protoplanetary disks. Due to its fundamental ro…
Simultaneous X-ray and radio observations of the radio-mode switching pulsar PSR B1822-09
W. Hermsen, L. Kuiper, J. W. T. Hessels +7
We report on simultaneous X-ray and radio observations of the radio-mode-switching pulsar PSR B1822-09 with ESA's XMM-Newton and the WSRT, GMRT and Lovell radio telescopes. PSR B18…
Suzaku observations of the merging galaxy cluster Abell2255: The northeast radio relic
H. Akamatsu, M. Mizuno, N. Ota +12
We present the results of deep 140 ks Suzaku X-ray observations of the north-east (NE) radio relic of the merging galaxy cluster Abell2255. The temperature structure of Abell2255 i…
CXOGBS J174954.5-294335: A New Deeply-Eclipsing Intermediate Polar
Christopher B. Johnson, M. A. P. Torres, R. I. Hynes +7
We present the results of a photometric and spectroscopic analysis of the Galactic Bulge Survey X-ray source CXOGBS J174954.5-294335 (hereafter, referred to as CX19). CX19 is a lon…