Other
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop...12d&link_type=abstract
XMM-Newton Proposal ID #02002302
Other
Ngc 7090, Xmm-Newton Proposal 02002302
Scientific paper
We propose deep XMM obs. of 3 edge on galaxies with newly detected radio halos: NGC4700, NGC7090 and NGC7462. Due to their galaxy scale halos, they are prime candidates for studies of the hot ionized medium at high latitudes above the disk plane. Compared to other galaxies already observed by XMM, these have the advantage of being undisturbed, without active AGNs, providing the chance to study the nature of hot gas in their halos and its dependence on the star formation activity in the underlying disks. Metal abundance analyses will tell whether the gas is predominantly produced by SNIa or SNII, thus testing different scenarios of the chemical enrichment of the ISM and IGM.
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