VLT adaptive optics imaging of QSO at z ∼ 2.5

被引：1
|
作者：
Falomo, R [1 ]
Kotilainen, J [1 ]
Scarpa, R [1 ]
Treves, A [1 ]
机构：
[1] INAF, Osserv Astron Padova, I-35122 Padua, Italy
来源：
Growing Black Holes: Accretion in a Cosmological Context | 2005年
关键词：
D O I：
10.1007/11403913_18
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report on ESO-VLT near-IR adaptive optics imaging of one radio-loud and two radio quiet quasars at z > 2. In the first case we are able to resolve the QSO and find that it is hosted by an elliptical of M-K = -27.6. This result, though restricted to a single object, extends up to z=2.5 the finding that cosmic evolution of radio-loud hosts follows the trend expected for luminous and massive spheroids undergoing passive evolution.
引用
收藏
页码：130 / 131
页数：2
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