The discovery of PSR J1833-1034 : the pulsar associated with the supernova remnant G21.5-0.9

TL;DR

This paper reports the discovery of a young, energetic pulsar, PSR J1833-1034, associated with supernova remnant G21.5-0.9, using GMRT observations, providing insights into pulsar properties and their relation to supernova remnants.

Contribution

The paper presents the first discovery of a pulsar associated with G21.5-0.9 using GMRT, including detailed measurements of its period, age, and luminosity.

Findings

Pulsar J1833-1034 has a period of 61.86 ms.

Characteristic age of ~4900 years.

Spin-down luminosity is among the highest known.

Abstract

We report the discovery of a young pulsar associated with the supernova remnant G21.5-0.9, using the Giant Metrewave Radio Telescope (GMRT) located near Pune, India. Discovered at a frequency of 610 MHz, J1833-1034 has a period of 61.86 ms and a period derivative of $2.0 \times 10^{-13}$, making it similar to other known young pulsars. The characteristic age of the pulsar is $\approx 4900$ yr, somewhat higher than estimates for the age of the remnant, but not incompatible with it. The pulsar has a spin-down luminosity of $3.3 \times 10^{37}$ erg s$^{-1}$, which is the second highest amongst all the known Galactic pulsars.