Investigating the properties of a new ms. pulsar with a Jovian mass companion

Details Investigating the properties of a new ms. pulsar with a Jovian mass companion Investigating the properties of a new ms. pulsar with a Jovian mass companion

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..203p&link_type=abstract

XMM-Newton Proposal ID #06749501

Other

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr J1719-14

Scientific paper

A binary msp with a planetary mass companion has been recently discovered. For a psr mass of 1.4Msun, we infer a companion mass of 1.3 Jovian masses, which is ten times smaller than that of any other known stellar companion to a msp. This psr is likely the first long-sought example of a msp which descended from an Ultra Compact Accreting X-ray MSP. In the context of a multi-wavelength campaign, we request a 25 ks exposure (sampling 3 orbits of the system) with the aims of:i) identifying the X-ray counterpart;ii) comparing X-ray fluxes and spectra with those of other binaries with other kinds of companions and/or have undergone other evolutionary paths;iii) searching for orbital variations in the X-ray flux, in order to investigate if the new binary can be the progenitor of an isolated msp.

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