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1982•Symposium - International Astronomical UnionOpen access

The Optical Polarization of QSOs

Richard Moore

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Abstract

Recent optical polarization studies indicate that there are two distinct types of QSOs — “normal” QSOs with P ≲ 1%, and highly polarized QSOs (HPQs) with P > 3%. The HPQs are very similar to BL Lac objects, yet still share some properties of normal QSO's (e.g. strong emission lines). Our results generally support the relativistic beaming model for QSOs; however, certain key predictions of this model are not observed.

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Recent optical polarization studies indicate that there are two distinct types of QSOs — “normal” QSOs with P ≲ 1%, and highly polarized QSOs (HPQs) with P > 3%. The HPQs are very similar to BL Lac objects, yet still share some properties of normal QSO's (e.g. strong emission lines). Our results generally support the relativistic beaming model for QSOs; however, certain key predictions of this model are not observed.

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Available abstract

Recent optical polarization studies indicate that there are two distinct types of QSOs — “normal” QSOs with P ≲ 1%, and highly polarized QSOs (HPQs) with P > 3%. The HPQs are very similar to BL Lac objects, yet still share some properties of normal QSO's (e.g. strong emission lines). Our results generally support the relativistic beaming model for QSOs; however, certain key predictions of this model are not observed.

Key concepts: QSOS, Astrophysics, Physics, Polarization (electrochemistry), Quasar, Astronomy, Galaxy, Chemistry

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