Interstellar Scintillation Studies of Pulsars and Distribution of Scattering Plasma in the Local Interstellar Medium |
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| Authors: | ND Ramesh Bhat Yashwant Gupta A Pramesh Rao PB Preethi |
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| Institution: | (1) National Astronomy and Ionosphere Center, Arecibo Observatory, U.S.A;(2) National Centre for Radio Astrophysics, Pune, India;(3) Hindustan College of Engineering, Madras, India |
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| Abstract: | Pulsar scintillation measurements from the Ooty Radio Telescope (ORT) are used to investigate the distribution of scattering
in the Local Interstellar Medium (LISM; region of ≲ 1 kpc of the Sun), specifically the region in and around the Local Bubble.
A 3-componentmodel, where the Solar neighborhood is surrounded by a shell of enhanced plasma turbulence, is proposed for the
LISM. Further, the Ooty data, along with those from Parkes and other telescopes are used for investigating thedistribution
of scattering towards the nearby Loop I Superbubble.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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