The Vela''-like Pulsar PSR B1823-13:\\ A Spatial and Spectral X-ray View.
Session 48 -- Degenerate Stars and Pulsars
Display presentation, Thursday, June 15, 1995, 9:20am - 4:00pm

## [48.11] The Vela''-like Pulsar PSR B1823-13:\\ A Spatial and Spectral X-ray View.

Radhika Srinivasan, J. P. Finley, and S. Park (Purdue)

Observations of PSR B1823-13 with the ROSAT PSPC and HRI are reported. With a period of $\sim$ 101 ms and $\dot{P}$ of $\sim$ 75$\times$10$^{-15}$ ss$^{-1}$, PSR B1823-13 has a spindown age of $\sim$ 21,000 yrs. These spin parameters yield a spindown energy loss rate, ${\dot E}$, of $\sim$ 10$^{36}$ erg s$^{-1}$. There is no known radio band supernova remnant (SNR) associated with PSR B1823-13 which calls into question either the lifetimes of SNR or the origin of this neutron star. We will address the possibility that PSR B1823-13 is imbedded in a compact nebula as observed in the Vela pulsar with the high spatial resolution HRI data. Results of a spectral analysis of the PSPC data are presented and the implications with regard to the thermal evolution of young neutron stars will be discussed.