黑洞-膨胀关系中的红移演化：基于CIV的黑洞质量检验
Redshift Evolution in Black Hole-Bulge Relations: Testing CIV-based Black Hole Masses
摘要：
我们重新审视基于透镜类星体的黑洞-核球标度关系中红移演化的主张。特别是，我们完善的黑洞质量估计使用测量的近红外光谱与Triplespec在阿帕奇点天文台获得的巴耳末线。为了支持以前的工作，我们发现一个大的分散之间的巴耳末和紫外线的线宽，MgII 2796，2803和CIV 1548，1550。有初步的证据表明，CIII] 1909，尽管是多个跃迁的混合物，可能与MgII很好地相关，尽管需要更大的样品进行真正的校准。最重要的是，我们发现没有系统的变化，估计BH质量的透镜样品的基础上的巴耳末线，提供额外的支持解释，黑洞过于庞大相比，他们的宿主星系在高红移。
英文摘要：
We re-examine claims of redshift evolution in black hole-bulge scaling relations based on lensed quasars. In particular, we refine the black hole mass estimates using measurements of Balmer lines from near-infrared spectroscopy obtained with Triplespec at Apache Point Observatory. In support of previous work, we find a large scatter between Balmer and UV line widths, both MgII 2796, 2803 and CIV 1548, 1550. There is tentative evidence that CIII] 1909, despite being a blend of multiple transitions, may correlate well with MgII, although a larger sample is needed for a real calibration. Most importantly, we find no systematic changes in the estimated BH masses for the lensed sample based on Balmer lines, providing additional support to the interpretation that black holes were overly massive compared to their host galaxies at high redshift.
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