Strong pulses detected from a rotating radio transient J1819$-$1458

Details Strong pulses detected from a rotating radio transient J1819$-$1458 Strong pulses detected from a rotating radio transient J1819$-$1458

2011-04-16

arxiv.org/abs/1104.3256v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

6 pages, 8 figures, 1 table, accepted for publication in A&A

Scientific paper

10.1051/0004-6361/201015953

We analyze individual pulses detected from RRAT J1819$-$1458. From April 2007 to April 2010, we carried out observations using the Nanshan 25-m radio telescope of Urumqi Observatory at a central frequency of 1541.25 MHz. We obtain a dispersion measure $DM=195.7\pm0.3$ pc cm^{-3} by analyzing all the 423 detected bursts. The tri-band pattern of arrival time residuals is confirmed by a single pulse timing analysis. Twenty-seven bimodal bursts located in the middle residual band are detected, and, profiles of two typical bimodal bursts and two individual single-peak pulses are presented. We determine the statistical properties of SNR and W$_{50}$ of bursts in different residual bands. The W$_{50}$ variation with SNR shows that the shapes of bursts are quite different from each other. The cumulative probability distribution of intensity for a possible power law with index $\alpha=1.6\pm0.2$ is inferred from the number of those bursts with $SNR\ge6$ and high intensities.

Affiliated with

Also associated with

No associations

Rating

Strong pulses detected from a rotating radio transient J1819$-$1458 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Strong pulses detected from a rotating radio transient J1819$-$1458, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Strong pulses detected from a rotating radio transient J1819$-$1458 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-347537