a Study of the Soft Gamma Repeater SGR 1627-41 in Quiescence

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Chandra Proposal Id #02500700

Scientific paper

We propose to image the field of SGR 1627-41 to study the cooling behaviour of a young neutron star and to potentially distinguish between the magnetar and accretion models for Soft Gamma Repeaters. Our 50 ks observation will enable us to: (i) determine the SGR flux and thus confirm whether the source decays with a constant rate as indicated by earlier observations, (ii) disentangle the spectrum in its spectral components (possibly BB + power-law), (iii) search for the neutron star spin period, (iv) determine a precise location for the SGR within the SNR G337.0-1.0 to get further insights on their association and the velocity of the ns, and (v) study the environment of the SNR and in particular the (radio) hot spot for additional X-ray sources.

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