The filaments of NGC1275

Details The filaments of NGC1275 The filaments of NGC1275

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hst..prop10546f&link_type=abstract

HST Proposal ID #10546

Physics

Hst Proposal Id #10546 Cosmology

Scientific paper

The spectacular H-0alpha filaments stretching over 100 kpc around the central galaxy in the nearby Perseus cluster of galaxies, NGC1275, resemble those found around distant radio galaxies and some protogalaxies. The origin and ionization of the filaments are poorly understood and relate to heating and cooling processes in galaxy formation and evolution. We propose here to image the filaments in order to reveal their true small-scale structure and to search for clumps of young stars along them. The observations will produce the first deep high resolution images of the whole filament system and, with our 1 Ms Chandra image, constrain both particle and photon ionization models for its ionization and excitation.

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