The linear polarization of Sagittarius A*. II. VLA and BIMA polarimetry at22, 43, and 86 GHz

Authors
Bower, GC Wright, MCH Backer, DC Falcke, H
Citation
Gc. Bower et al., The linear polarization of Sagittarius A*. II. VLA and BIMA polarimetry at22, 43, and 86 GHz, ASTROPHYS J, 527(2), 1999, pp. 851-855
Citations number
38
Categorie Soggetti
Space Sciences
Journal title
ASTROPHYSICAL JOURNAL
ISSN journal
0004637X → ACNP
Volume
527
Issue
2
Year of publication
1999
Part
1
Pages
851 - 855
Database
ISI
SICI code
0004-637X(199912)527:2<851:TLPOSA>2.0.ZU;2-5
Abstract
We present a search for linear polarization at 22, 43, and 86 GHz from the nearest supermassive black hole candidate, Sagittarius A*. We find upper li mits to the linear polarization of 0.2%, 0.4%, and 1%, respectively. These results strongly support the conclusion of our centimeter wavelength spectr opolarimetry that Sgr A* is not depolarized by the interstellar medium but is in fact intrinsically depolarized.