A521, a Cluster Forming at the Crossing of Two Filaments?

Details A521, a Cluster Forming at the Crossing of Two Filaments? A521, a Cluster Forming at the Crossing of Two Filaments?

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...58a&link_type=abstract

Chandra Proposal ID #01800447

Mathematics

Logic

Chandra Proposal Id #01800447

Scientific paper

We propose to observe the cluster A521 (z=0.247) with AXAF/ACIS-I. Our analysis of our so far obtained optical and X-ray data revealed extremely interesting and unique morphological features. They indicate that this cluster is in a highly unrelaxed state and most likely in formation at the crossing of two filaments. Our aim is to determine the thermal structure of this peculiar cluster, in conjonction with high resolution study of the gas distribution. These informations, combined with available optical data, are essential to understand the dynamical state of this cluster and its formation history. The required data quality in X-rays for this kind of investigation can at present only be provide by AXAF.

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