M. J. Pivovaroff et al. 2001 ApJ 554 161 doi:10.1086/321340
X-Ray Observations of the New Pulsar-Supernova Remnant System PSR J1119–6127 and Supernova Remnant G292.2–0.5
FREEM. J. Pivovaroff1,2, V. M. Kaspi1,3,4, F. Camilo5, B. M. Gaensler1,6 and F. Crawford1,7
Show affiliationsPSR J1119-6127 is a recently discovered 1600-yr-old radio pulsar that has a very high inferred surface dipolar magnetic field. We present a detailed analysis of a pointed ASCA observation and archival ROSAT data of PSR J1119-6127 and its surroundings. Both data sets reveal extended emission coincident with the newly discovered radio supernova remnant G292.2-0.5, which is reported in a companion paper by Crawford et al. A hard point source, offset ~1
5 from the position of the radio pulsar, is seen with the ASCA Gas Imaging Spectrometer (GIS). No pulsations are detected at the radio period with a pulsed fraction upper limit of 61% (95% confidence). The limited statistics prevent a detailed spectral analysis, although a power-law model with photon index Γ ≈ 1-2 describes the data well. Both the spectral model and derived X-ray luminosity are consistent with those measured for other young radio pulsars, although the spatial offset renders an identification of the source as the X-ray counterpart of the pulsar uncertain.
- Subject headings
ISM: individual (G292.2–0.5, AX J1119.1–6128.5); pulsars: individual (J1119–6127); stars: neutron; supernova remnants; X-rays: stars
- Dates
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Issue 1 (2001 June 10)
Received 2000 September 18, accepted for publication 2001 February 9
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X-Ray Observations of the New Pulsar-Supernova Remnant System PSR J1119–6127 and Supernova Remnant G292.2–0.5
M. J. Pivovaroff et al. 2001 ApJ 554 161
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