SIMBAD references

2008ApJ...688..550A - Astrophys. J., 688, 550-554 (2008/November-3)

No detectable radio emission from the magnetar-like pulsar in Kes 75.


Abstract (from CDS):

The rotation-powered pulsar PSR J1846-0258 in the supernova remnant Kes 75 was recently shown to have exhibited magnetar-like X-ray bursts in mid-2006. Radio emission has not yet been observed from this source, but other magnetar-like sources have exhibited transient radio emission following X-ray bursts. We report on a deep 1.9 GHz radio observation of PSR J1846-0258 with the 100 m Green Bank Telescope in late 2007, designed to search for radio pulsations or bursts from this target. We have also analyzed three shorter serendipitous 1.4 GHz radio observations of the source taken with the 64 m Parkes telescope during the 2006 bursting period. We detected no radio emission from PSR J1846-0258 in either the Green Bank or Parkes data sets. We place an upper limit of 4.9 µJy on coherent pulsed emission from PSR J1846-0258 based on the 2007 November 2 observation, and an upper limit of 27 µJy around the time of the X-ray bursts. Serendipitously, we observed radio pulses from the nearby RRAT J1846-02, and place a 3 σ confidence level upper limit on its period derivative of 1.7x10–13, implying its surface dipole magnetic field is less than 2.6x1013 G.

Abstract Copyright:

Journal keyword(s): Stars: Pulsars: Individual: Alphanumeric: PSR J1846-0258

Simbad objects: 15

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