深SWIRE字段III。WIYN光谱
The Deep SWIRE Field III. WIYN Spectroscopy
摘要：
我们提出的光谱学的结果，使用HYDROGEN的WIYN 3.5米望远镜的对象在深SWIRE无线电领域。该项目的目标是尽可能多地确定该领域中较亮物体的光谱红移，特别是那些在无线电和24微米处检测到的物体。这些红移主要用于星系演化的研究，以及这种演化与活动星系核和恒星形成的联系。报告了365个单个天体的红移测量结果。红移范围从0.03到2.5，大部分z < 0.9。选择的震源位于WIYN HYDROGEN场内，距离SWIRE深场中心约30'，10h46m00s，59d01'00”（J2000）。光谱观测的光源是从该领域的r波段图像中选择的。光谱目标的优先级列表按以下顺序建立：20厘米探测，24微米探测，r < 20的星系，以及由该领域中较暗的星系组成的平衡。我们提供了一个表格，列出了星系的位置，测量的红移和误差，并注意到光谱中可见的任何发射线。实际上，几乎所有r < 19的星系都被观测到，包括所有的射电源和大多数r < 20的24微米射电源，以及在r波段图像上有较暗光学对应物的射电源样本。
英文摘要：
We present the results of spectroscopy using HYDRA on the WIYN 3.5m telescope of objects in the deep SWIRE radio field. The goal of the project was to determine spectroscopic redshifts for as many of the brighter objects in the field as possible, especially those detected in the radio and at 24 microns. These redshifts are primarily being used in studies of galaxy evolution and the connection of that evolution to AGN and star-formation. Redshifts measured for 365 individual objects are reported. The redshifts range from 0.03 to 2.5, mostly with z < 0.9. The sources were selected to be within the WIYN HYDRA field of approximately 30' in radius from the center of the SWIRE deep field, 10h46m00s, 59d 01'00" (J2000). Optical sources for spectroscopic observation were selected from a r-band image of the field. A priority list of spectroscopic targets was established in the following order: 20cm detections, 24 micron detections, galaxies with r < 20 and the balance made up of fainter galaxies in the field. We provide a table listing the galaxy positions, measured redshift and error, and note any emission lines that were visible in the spectrum. In practice almost all the galaxies with r < 19 were observed including all of the radio sources and most of the 24 microns sources with r < 20 and a sample of radio sources which had fainter optical counterparts on the r-band image.
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