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Polarization measurements of some T Tauri stars

Published online by Cambridge University Press:  04 August 2017

U. C. Joshi ,
M. R. Deshpande  and
A. K. Kulshrestha
U. C. Joshi
Affiliation:
Physical Research Laboratory Navrangpura Ahmedabad-380009 India
M. R. Deshpande
Affiliation:
Physical Research Laboratory Navrangpura Ahmedabad-380009 India
A. K. Kulshrestha
Affiliation:
Physical Research Laboratory Navrangpura Ahmedabad-380009 India

Extract

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T Tauri stars show linear polarization typically between 1–3%. A two band linear polarization survey of some T Tauri star was reported earlier by Bastien (1982). Most of the stars show pronounced time variability in polarization and position angle (Bastien, 1980; 1982). Wavelength dependence of polarization is important in determining the specific mechanism(s) producing polarization. For a systematic study of polarization in T Tauri stars, we have taken up an observing programme to measure linear polarization of some stars in Taurus-Auriga region. Polarization measurements of 9 T Tauri stars are reported here. Observations were made on January 8–11, 1984 with MINIPOL (Frecker and Serkowski, 1976) on 61“ telescope of University of Arizona.

Type
Bipolar Flows, Jets and Protostars
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 135 - 136
Copyright
Copyright © Reidel 1987 

References

Bastien, P.: 1980, Astron. Astrophys. 94, 294.Google Scholar
Bastien, P.: 1982, Astron. Astrophys. Suppl. 48, 153.Google Scholar
Frecker, J.E. and Serkowski, K.: 1976, Appl. Opt. 15, 605.Google Scholar
Mundt, R. and Fried, J.W.: 1983, Astron. J. 274, L83.Google Scholar