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Search for Circular Polarization toward Sagittarius A* at 100 GHz
Author(s) -
Tsuboi M.,
Miyahara H.,
Nomura R.,
Kasuga T.,
Miyazaki A.
Publication year - 2003
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.200385094
Subject(s) - sagittarius , physics , circular polarization , polarization (electrochemistry) , telescope , astrophysics , polarization in astronomy , sagittarius a* , astronomy , stars , optics , galactic center , milky way , chemistry , microstrip
We have observed circular polarization of Sgr A* at 100 GHz using the Nobeyama 45‐m telescope. The circular polarization of Sgr A* in its quiescent phase was | m c | ≤ 0.5% after subtraction of the contribution from free‐free emission surrounding Sgr A*.