Bulletin of the Astronomical Society of India
M. P. Surnis1*, L. Supan2, G. Castelletti2 and B. C. Joshi1
1National Centre for Radio Astrophysics (NCRA), Pune, India
2Institute of Astronomy and Space Physics (IAFE), Buenos Aires, Argentina
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We report here on the first dedicated simultaneous imaging and pulsar observations carried out with the GMRT at 610 and 1400 MHz towards the supernova remnant (SNR) G15.4+0.1, the possible counterpart of the very high energy (VHE) source HESS J1818-154. Preliminary analysis suggests absence of pulsations towards the centroid of HESS J1818-154, with upper limits of 0.6 and 0.3 mJy at 610 and 1400 MHz, respectively.
Keywords : ISM – supernova remnants – G15.4+0.1, pulsars – general