论文标题
Glass-JWST的早期结果。 II：nircam - 半乳酸外成像和光度目录
Early results from GLASS-JWST. II: NIRCam extra-galactic imaging and photometric catalog
论文作者
论文摘要
我们介绍了玻璃早期发行科学计划的第一批JWST Nircam外乳流观测的降低的图像和多波长目录，该图像是Abell 2744群集的Niriss观测值的协调相似之处。使用官方的JWST Pipeline的增强版本减少了七个频段（F090W，F115W，F150W，F200W，F277W，F277W，F356W，F444W）的图像；我们讨论用于删除或减轻原始图像中缺陷的过程。我们通过在F444W检测源位置上的PSF匹配图像上的强制孔径光度法获得了多波段目录。该目录旨在实现早期的科学研究，并针对微弱的星系进行了优化。它包含6368个来源，限制幅度为29.7，在F444W中为5 $σ$。我们同时发布图像和目录，以使社区能够熟悉JWST NIRCAM数据并评估其优点和局限性，并且鉴于当前的仪器知识水平。
We present the reduced images and multi-wavelength catalog of the first JWST NIRCam extra-galactic observations from the GLASS Early Release Science Program, obtained as coordinated parallels of the NIRISS observations of the Abell 2744 cluster. Images in seven bands (F090W, F115W, F150W, F200W, F277W, F356W, F444W) have been reduced using an augmented version of the official JWST pipeline; we discuss the procedures adopted to remove or mitigate defects in the raw images. We obtain a multi--band catalog by means of forced aperture photometry on PSF-matched images at the position of F444W-detected sources. The catalog is intended to enable early scientific investigations, and it is optimized for faint galaxies; it contains 6368 sources, with limiting magnitude 29.7 at 5$σ$ in F444W. We release both images and catalog in order to allow the community to familiarize with the JWST NIRCam data and evaluate their merit and limitations given the current level of knowledge of the instrument.
