The X-ray Counterpart To Lat Psr J2021+4026 And Its Interesting Spectrum

Details The X-ray Counterpart To Lat Psr J2021+4026 And Its Interesting Spectrum The X-ray Counterpart To Lat Psr J2021+4026 And Its Interesting Spectrum

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.4504w&link_type=abstract

American Astronomical Society, HEAD meeting #12, #45.04

Astronomy and Astrophysics

Astronomy

Scientific paper

We report the likely identification of the X-ray counterpart to the gamma-ray pulsar LAT PSR J2021+4026, using images from the Chandra X-Ray Observatory's Advanced CCD Imaging Spectrometer (ACIS) and timing data from the Fermi Gamma-ray Space Telescope's Large-Area Telescope (LAT). The X-ray source that lies closest (10 arcsec) to the position determined from the Fermi-LAT timing solution is radio-quiet and has no cataloged infrared-to-visible counterpart: We have set an upper limit to its I and R band emission. The source's X-ray spectrum differs from those of the radio-quiet pulsars Geminga and CTA 1: This may have implications for the evolutionary track of radio-quiet gamma-ray pulsars.

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