The old "gamma-ray only" pulsar PSR J0357+32 and its puzzling X-ray trail

Details The old "gamma-ray only" pulsar PSR J0357+32 and its puzzling X-ray trail The old "gamma-ray only" pulsar PSR J0357+32 and its puzzling X-ray trail

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..186d&link_type=abstract

XMM-Newton Proposal ID #06744401

Astronomy and Astrophysics

Astronomy

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr J0357+32

Scientific paper

The Fermi mission opened a new era for pulsar astronomy, detecting gamma-ray pulsations from more than 60 pulsars, 30% of which are not seen at radio wavelengths. One of the most interesting Fermi pulsars is PSR J0357+32, a radio-quiet source standing out as the gamma-ray pulsar with the smallest spin-down luminosity (Erot~1e33 erg/s) known so far. We observed PSR J0357+32 with Chandra and we detected its X-ray counterpart, but we could not constrain its emission properties. Chandra data unveiled the existence of a huge (9 arcmin long) extended feature apparently protruding from the pulsar, with a peculiar phenomenology. We ask for a deep observation with XMM in order to assess the pulsar emission properties as well as the nature of the extended feature.

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