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Magnetic support of the optical emission line filaments in NGC 1275
A. C. Fabian, R. M. Johnstone, J. S. Sanders +4
The giant elliptical galaxy NGC 1275, at the centre of the Perseus cluster, is surrounded by a well-known giant nebulosity of emission-line filaments, which are plausibly about >10…
Stellar Populations and Mass-Loss in M15: A Spitzer Detection of Dust in the Intra-Cluster Medium
Martha L. Boyer, Charles E. Woodward, Jacco Th. van Loon +5
We present Spitzer Space Telescope IRAC and MIPS observations of the galactic globular cluster M15 (NGC 7078), one of the most metal-poor clusters with a [Fe/H] = -2.4. Our Spitzer…
Unveiling the nature of the highly obscured AGN in NGC5643 with XMM-Newton
M. Guainazzi, P. Rodriguez-Pascual, A. C. Fabian +2
We present results from an XMM-Newton observation of the nearby Seyfert 2 galaxy NGC5643. The nucleus exhibits a very flat X-ray continuum above 2 keV, together with a prominent K-…