Timing the Orbit of RX J1914.4+2456: Gravitational Radiation and the Nature of the X-Ray Emission

Details Timing the Orbit of RX J1914.4+2456: Gravitational Radiation and the Nature of the X-Ray Emission Timing the Orbit of RX J1914.4+2456: Gravitational Radiation and the Nature of the X-Ray Emission

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1157s&link_type=abstract

Chandra Proposal ID #04300437

Physics

Chandra Proposal Id #04300437

Scientific paper

We propose observations of RX J1914.4+2456, a candidate double-degenerate binary with one of the shortest orbital periods known. We have recently found evidence for gravitational radiation induced decay of its orbit from precise timing of archival ROSAT observations. Direct study of the orbital evolution has important implications for the nature of the X-ray flux from this and related systems. We propose to confirm our preliminary ROSAT orbit ephemeris and enable long term timing of the orbit to probe the physics of gravitational radiation and its effect on binary evolution. We will also search for a possibly hidden orbital period longward of the observed 569 s period. Such future timing would enable new gravity wave science with NASA's LISA mission.

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