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Title:
Circular polarization in T Tauri stars. II - New observations and evidence for multiple scattering
Authors:
Bastien, Pierre; Robert, Carmelle; Nadeau, Raymond
Affiliation:
AA(Observatoire du Mont Megantic, Quebec; Montreal, Universite, Montreal, Canada), AB(Observatoire du Mont Megantic, Quebec; Montreal, Universite, Montreal, Canada), AC(Observatoire du Mont Megantic, Quebec; Montreal, Universite, Montreal, Canada)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 339, April 15, 1989, p. 1089-1092. Research supported by NSERC and Space Telescope Science Institute. (ApJ Homepage)
Publication Date:
04/1989
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Circular Polarization, Light Scattering, Pre-Main Sequence Stars, Radiative Transfer, Stellar Envelopes, T Tauri Stars, Infrared Astronomy Satellite, Linear Polarization, Signal To Noise Ratios
DOI:
10.1086/167363
Bibliographic Code:
1989ApJ...339.1089B

Abstract

New observations with different instrumentation confirm the detection of circular polarization in three T Tauri stars reported earlier by Nadeau and Bastien (1986). Data on three other stars are also reported. In agreement with the recent interpretation of patterns of aligned vectors in linear polarization maps of young stellar objects in terms of multiple scattering in optically thick disks, the circular polarization in T Tauri stars is attributed to multiple scattering.

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