Mid-Infrared Imaging of the Einstein Cross QSO

Publications of the Astronomical Society of Australia

Eric Agol¹ 

[1] Stuart Wyithe

关键词: quasars: individual;    (Q2237+0305);    ;    gravitational lensing;    ;    radiation mechanisms:;    general;    infrared: general;   

DOI  :  10.1071/AS01015

学科分类：天文学(综合)

来源: CSIRO

【 摘 要 】

Observations of the Einstein Cross QSO reveal that the mid-infrared region is unaffected by microlensing. Thus, the infrared emission region must be extended on a scale >1017 cm, ruling out synchrotron models, but consistent with dust emission models. Other constraints rule out starburst models. The flux ratios greatly constrain the lens model.

【 授权许可】

Unknown