Intense Galactic X-ray Sources in Crowded Fields

Details Intense Galactic X-ray Sources in Crowded Fields Intense Galactic X-ray Sources in Crowded Fields

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7366m&link_type=abstract

HST Proposal ID #7366

Computer Science

Hst Proposal Id #7366 Binary Stars

Scientific paper

We discuss two intense, well-studied galactic X-ray binary stars with low-mass companions: GX17+2 and Circinus X-1. Both sources lie in severely optically crowded fields, and there is strong evidence that past work has been deceived by spurious superpositions of unrelated objects. HST NICMOS imaging and spectra will be used to elucidate the nature of the sources, each of which is an important member of its class, yet poorly understood. This proposal is a follow-on to a similar, set of observations we executed in GO Cycle 5, where a previously unsuspected, and important, superposition was indeed discovered.

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