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Paper: Polarized Emission and Black Hole Shadow Image of Sagittarius A*
Volume: 439, The Galactic Center: a Window to the Nuclear Environment of Disk Galaxies
Page: 380
Authors: Huang, L.; Liu, S.; Takahashi, R.; Shen, Z. -Q.
Abstract: We show that a general relativistic accretion flow, heated via the plasma wave heating mechanism, is consistent with the polarization and recent millimeter-VLBI observations of Sgr A* for inclination angle of ∼ 45°, position angle of ∼ 140°, and spin < 0.9. However, the parameters inferred from current observations depend significantly upon the adopted model. We then consider eight potential millimeter-VLBI stations, including the possible sites in Chile and New Zealand, finding that with these the basic geometry of the emission region can be reliably estimated.
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