Diffuse X-Ray Emission in Globulars: Hot Gas VS. Non-Thermal Emission in 47 TUC

Details Diffuse X-Ray Emission in Globulars: Hot Gas VS. Non-Thermal Emission in 47 TUC Diffuse X-Ray Emission in Globulars: Hot Gas VS. Non-Thermal Emission in 47 TUC

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..238m&link_type=abstract

Chandra Proposal ID #01300075

Computer Science

Chandra Proposal Id #01300075

Scientific paper

We propose a deep ACIS-S observation of 47 Tuc to confirm and map our ROSAT discovery of diffuse emission from a probable bow shock and possible non-thermal emission from the large population of millisecond pulsars. The bow shock emission will be mapped out to 5-10arcmin from the peak diffuse emission and measure the proper motion of the cluster in the Galaxy. The spectral distribution will constrain both the mass loss of cluster stars and the temperature-density of the hot gas in the galactic halo. The possible IC emission from low energy CR electrons accelerated in the bow shock will constrain the MSP population and particle production in the cluster, while the spectra of point sources will complement and extend our deep HRC-I survey for CVs and dim x-ray sources in this key cluster.

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