论文标题
Alma观察$ z \ gtrsim10 $ Galaxy候选人与JWST一起发现
ALMA Observation of a $z\gtrsim10$ Galaxy Candidate Discovered with JWST
论文作者
论文摘要
我们报告了从Glass-JWST早期发行科学计划中发现的ALMA观察到$ Z \ GTRSIM10 $ GALAXY候选人（GHZ1）。我们的ALMA计划旨在在RETTAR-FRAME 3393.0062 GHz（$88.36μ$ M）和FAR-IR Continuum发射中检测[OIII]发射线，并通过频谱窗口设置无缝覆盖26.125 GHz频率范围（$ 10.10 <z <z <11.14 $）。总共采用了7个小时的原源集成，使用四个频率设置来覆盖整个范围（每次设置1.7小时），并以$ 0'''。$ 7 $ Angular分辨率。未检测到未检测到的线或连续体，在25 km s $ s $^{ - 1} $ s $^{ - 1} $ Channel $^{ - 1} $的5 $σ$上限的线排放的上限为0.93 mjy beam $^{ - 1} $以及30 $ $ jy beam $ jy $ jy $ jy $ jy $ jy $ jy $ jy $ jy $^{ - 1} $的连续性。我们报告边缘光谱（225 km s $^{ - 1} $分辨率）和Continuum功能（分别为$4.1σ$和$2.6σ$峰值信噪比），在$ 0''。从GHZ1的JWST位置出发。该光谱功能意味着$ z = 10.38 $，需要通过进一步的观察来验证。假设最佳的光度红移估计（$ z = 10.60^{+0.52} _ { - 0.60} $）是正确的，则GHZ1的宽带星系光谱频谱分配模型$3σ$上限GHz1的continuum flux上限GHZ1具有少量的灰尘（$ M_D \ M_D \ sime sim10^4 M M _ M M_D^4 M M _ M M_D^4 M M： （$ t_d \ gtrsim90 $ k）。 [OIII] $ _ {88μm} $ line光度和GHZ1的推断星形形成速率的$5σ$上限与低金属性矮星系的特性一致。我们还报告了在该领域的JWST Galaxy对应物位置的六个连续源的偶然清晰检测。
We report the ALMA observation of a $z\gtrsim10$ galaxy candidate (GHZ1) discovered from the GLASS-JWST Early Release Science Program. Our ALMA program aims to detect the [OIII] emission line at the rest-frame 3393.0062 GHz ($88.36μ$m) and far-IR continuum emission with the spectral window setup seamlessly covering a 26.125 GHz frequency range ($10.10<z<11.14$). A total of 7 hours of on-source integration was employed, using four frequency settings to cover the full range (1.7 hours per setting), with $0''.7$ angular resolution. No line or continuum is clearly detected, with a 5$σ$ upper limit of the line emission of 0.93 mJy beam$^{-1}$ at 25 km s$^{-1}$ channel$^{-1}$ and of the continuum emission of 30$μ$Jy beam$^{-1}$. We report marginal spectral (at 225 km s$^{-1}$ resolution) and continuum features ($4.1σ$ and $2.6σ$ peak signal-to-noise ratio, respectively), within $0''.17$ from the JWST position of GHZ1. This spectral feature implies $z=10.38$ and needs to be verified with further observations. Assuming that the best photometric redshift estimate ($z=10.60^{+0.52}_{-0.60}$) is correct, the broadband galaxy spectral energy distribution model for the $3σ$ upper limit of the continuum flux from GHZ1 suggests that GHZ1 has a small amount of dust ($M_d\lesssim10^4 M_{\odot}$) with high temperature ($T_d\gtrsim90$K). The $5σ$ upper limit of the [OIII]$_{88μm}$ line luminosity and the inferred star formation rate of GHZ1 is consistent with the properties of the low metallicity dwarf galaxies. We also report serendipitous clear detections of six continuum sources at the locations of the JWST galaxy counterparts in the field.
