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Strong [O III] λ5007 Compact Galaxies Identified from SDSS DR16 and Their Scaling Relations
Weiyu Ding, Hu Zou, Xu Kong +11
Green pea galaxies are a special class of star-forming compact galaxies with strong [O III]λ5007 and considered as analogs of high-redshift Lyα-emitting galaxies and potential sour…
Searching Extra-tidal Features around the Globular Cluster Whiting 1
Jundan Nie, Hao Tian, Jing Li +14
Whiting 1 is a faint and young globular cluster in the halo of the Milky Way, and was suggested to have originated in the Sagittarius spherical dwarf galaxy (Sgr dSph). In this pap…
Photometric redshifts and Galaxy Clusters for DES DR2, DESI DR9, and HSC-SSP PDR3 Data
Hu Zou, Jipeng Sui, Suijian Xue +8
Photometric redshift (photo-z) is a fundamental parameter for multi-wavelength photometric surveys, while galaxy clusters are important cosmological probers and ideal objects for e…
Galaxy Clusters from the DESI Legacy Imaging Surveys. I. Cluster Detection
Hu Zou, Jinghua Gao, Xin Xu +7
Based on the photometric redshift catalog of Zou H. et al. (2019), we apply a fast clustering algorithm to identify 540,432 galaxy clusters at in the DESI legacy imagi…
New Determination of Fundamental Properties of Palomar 5 Using Deep DESI Imaging Data
Xin Xu, Hu Zou, Xu Zhou +6
The legacy imaging surveys for the Dark Energy Spectroscopic Instrument project provides multiplecolor photometric data, which are about 2 mag deeper than the SDSS. In this study,…
A Mysterious Ring in Dark Space?
Wei Zhang, Fan Yang, Hong Wu +10
We report the discovery of a low-surface-brightness (27.42 mag arcsec^(-2) in g band) nebula, which has a ring-like shape in the Beijing-Arizona Sky Survey (BASS). Positive detecti…