论文标题
使用基于聚类的红移推断，测量不断发展的星系光度和质量功能
Measurement of the evolving galaxy luminosity and mass function using clustering-based redshift inference
论文作者
论文摘要
我们开发了一个框架，用于使用基于基于聚类的红移推理（群集-y Z $）来测量不断发展的Galaxy光度功能（GLF）和Galaxy Stellar质量函数（GSMF），并使用WISE W1（$3.4μm$）中印刷光度计和位置。我们使用来自Galaxy和Mass Assembly（GAMA）调查，Sloan Digital Sky Survey（SDSS）和Baryon振荡光谱调查（BOSS）的多个参考集。结合产生的群集-Y $ z $ s可以使我们扩大研究区域，并考虑每个参考集的特定属性，从而充分利用每个参考集以产生最佳的总体结果。因此，我们能够在$ \ sim 7500 \，\ mathrm {deg}^2 $上测量GLF和GSMF的北银河帽（NGC），最高为$ z <0.6 $。我们的方法可以轻松地适应以淡淡的幅度进行新的研究，这对于光合$ z $ s的推导构成了困难。 GSMF的测量目前受到K校正模型和质量与光比的限制，而不是与差分星系偏置演变相关的更复杂的效果。通过在未来的调查中，该技术在未来的调查中获得了更好的研究，是研究新兴数据的研究，例如Vera C. Rubin天文台，Euclid Mission或Nancy Grace Roman太空望远镜。
We develop a framework for using clustering-based redshift inference (cluster-$z$) to measure the evolving galaxy luminosity function (GLF) and galaxy stellar mass function (GSMF) using WISE W1 ($3.4μm$) mid-infrared photometry and positions. We use multiple reference sets from the Galaxy And Mass Assembly (GAMA) survey, Sloan Digital Sky Survey (SDSS) and Baryon Oscillation Spectroscopic Survey (BOSS). Combining the resulting cluster-$z$s allows us to enlarge the study area, and by accounting for the specific properties of each reference set, making best use of each reference set to produce the best overall result. Thus we are able to measure the GLF and GSMF over $\sim 7500\, \mathrm{deg}^2 $ of the Northern Galactic Cap (NGC) up to $z<0.6$. Our method can easily be adapted for new studies with fainter magnitudes, which pose difficulties for the derivation of photo-$z$s. The measurement of the GSMF is currently limited by the models for k-corrections and mass-to-light ratios, rather than more complicated effects tied to the evolution of the differential galaxy bias. With better statistics in future surveys this technique is a strong candidate for studies with new emerging data from, e.g. the Vera C. Rubin Observatory, the Euclid mission or the Nancy Grace Roman Space Telescope.
