The first large catalogue of spectroscopic redshifts in Webb's First Deep Field, SMACS J0723.3$-$7327
Gaël Noirot, Guillaume Desprez, Yoshihisa Asada, Marcin Sawicki, Vicente Estrada-Carpenter, Nicholas Martis, Ghassan Sarrouh, Victoria Strait, Roberto Abraham, … 展开作者
Gaël Noirot, Guillaume Desprez, Yoshihisa Asada, Marcin Sawicki, Vicente Estrada-Carpenter, Nicholas Martis, Ghassan Sarrouh, Victoria Strait, Roberto Abraham, Maruša Bradač, Gabriel Brammer, Kartheik Iyer, Shannon MacFarland, Jasleen Matharu, Lamiya Mowla, Adam Muzzin, Camilla Pacifici, Swara Ravindranath, Chris J. Willott, Loïc Albert, René Doyon, John B. Hutchings, Neil Rowlands
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19 pages, 13 figures, 3 appendices. Accepted for publication in MNRAS
We present a spectroscopic redshift catalogue of the SMACS J0723.3$-$7327 field ("Webb's First Deep Field") obtained from JWST/NIRISS grism spectroscopy and supplemented with JWST/NIRSpec and VLT/MUSE redshifts. The catalogue contains a total of 190 sources with secure spectroscopic redshifts, including 156 NIRISS grism redshifts, 123 of which are for sources whose redshifts were previously unknown. These new grism redshifts are secured with two or more spectroscopic features (64 sources), or with a single spectral feature whose identity is secured from the object's nine-band photometric redshift (59 sources). These are complemented with 17 NIRSpec and 48 MUSE redshifts, including six new NIRSpec redshifts identified in this work. In addition to the $z_{\rm cl}=0.39$ cluster galaxy redshifts (for which we provide $\sim$40 new NIRISS absorption-line redshifts), we also find three prominent galaxy overdensities at higher redshifts - at $z=1.1$, $z=1.4$, and $z=2.0$ - that were until now not seen in the JWST/NIRSpec and VLT/MUSE data. The paper describes the characteristics of our spectroscopic redshift sample and the methodology we have employed to obtain it. Our redshift catalogue is made available to the community at https://niriss.github.io/smacs0723.
Modelling and Subtracting Diffuse Cluster Light in JWST Images: A Relation between the Spatial Distribution of Globular Clusters, Dwarf Galaxies, and Intracluster Light in the Lensing Cluster SMACS 0723
The eJWST active galactic nucleus observation catalogue
Zentrum für Astronomie der Universität Heidelberg, Astronomisches Rechen-Institut(海德堡大学天文中心,天文计算研究所);European Space Agency (ESA), European Space Astronomy Centre (ESAC)(欧洲空间局(ESA),欧洲空间天文中心(ESAC));Telespazio UK S.L. for ESA, ESAC(为ESA和ESAC服务的泰雷兹英国有限公司);Institut de Radioastronomie Millimétrique (IRAM)(毫米波射电天文学研究所(IRAM));Centro de Astrobiología (CAB), CSIC-INTA(天体生物学中心(CAB),西班牙国家科学研究委员会-国家航空航天技术研究所)
CANUCS/Technicolor Data Release 2: A Catalogue of Galaxy Structural Parameters in up to 29 HST+JWST bands and a Multi-Wavelength Exploration of the Galaxy Size-Mass Relation at $0.6 < z \leq 4$
York University(约克大学);Wellesley College(韦尔斯利学院);Independent University Bangladesh(孟加拉独立大学);Niels Bohr Institute, University of Copenhagen(哥本哈根大学尼尔斯·玻尔研究所);DTU-Space, Technical University of Denmark(丹麦技术大学空间科学中心);National Research Council of Canada, Herzberg Astronomy & Astrophysics Research Centre(加拿大国家研究委员会赫茨伯格天体物理学与天文学研究中心)
Simulating and interpreting deep observations in the Hubble Ultra Deep Field with the JWST/NIRSpec low-resolution 'prism'
詹姆斯·韦伯太空望远镜(JWST)将能够探测星系中的光发射线,其亮度范围很广,红移z>10。通过这些观测,对星系的关键特性(如恒星形成率和金属丰度)的测量将提供独特的见解,例如,来自恒星和活动星系核(AGN)的反馈在调节星系演化中的作用,AGN和宿主星系的共同演化,恒星形成星系的“主序列”的物理起源以及恒星形成星系对宇宙再电离的贡献。我们提出了一个原始的框架来模拟和分析观测与近红外光谱仪(NIRSpec)上JWST。我们使用的BEAGLE工具(贝叶斯分析的GalerosEds)建立一个半经验的星系光谱目录的基础上的光度光谱能量分布(SED)的辍学星系在哈勃超深场(HUDF)。我们证明,由此产生的星系光谱目录满足不同类型的高红移星系的观测约束,并使用它作为输入,以模拟NIRSpec/棱镜(R~100)的观测。我们发现,一个单一的“深”(~100 ks)的近红外光谱/棱镜指向HUDF将使S/N>3检测的多个光学发射线在~30(~60)星系在z>6(z~4-6)下降到m_F160 W <30 AB MAG。这样的观测将允许测量星系恒星形成率,电离参数和气相金属丰度的1.5倍,质光比在2倍之内,星系年龄在3倍之内,V波段衰减光学深度的精度为0.3。
ALMA observations of pre-JWST z ~ 10 galaxy candidates: A CO(J = 9-8) line from a ULIRG at z = 2.54 and revisit of the photometric redshifts with JWST photometry
Waseda University(早稻田大学);University of Tsukuba(筑波大学)
Tilting at the Turnover: Modeling the Faint-End of the UV Luminosity Function Behind Abell s1063 with JWST
University of Manchester(曼彻斯特大学);Jodrell Bank Centre for Astrophysics, University of Manchester(曼彻斯特大学乔德雷尔银行天体物理中心);Instituto de Física de Cantabria (CSIC-UC)(坎塔布里亚物理研究所(西班牙高等科学研究委员会-坎塔布里亚大学))