Interstellar Scintillation Studies of Pulsars and Distribution of Scattering Plasma in the Local Interstellar Medium

Authors: Ramesh Bhat N.D.¹; Gupta Y.²; Pramesh Rao A.²; Preethi P.B.³

Source: Astrophysics and Space Science, Volume 278, Numbers 1-2, 2001 , pp. 171-174(4)

Publisher: Springer

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-component model, 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 the distribution of scattering towards the nearby Loop I Superbubble.

Language: English

Document Type: Regular paper

Affiliations: 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

Publication date: 2001-01-01

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• By this author: Ramesh Bhat N.D. ;  Gupta Y. ;  Pramesh Rao A. ;  Preethi P.B.

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