The HⅠGas Fraction Scaling Relation of the Green Pea Galaxies

作     者：刘思琦 罗阿理 张伟 张彦霞 孔啸 赵永恒 Siqi Liu;A-Li Luo;Wei Zhang;Yan-Xia Zhan;Xiao Kong;Yong-Heng Zhao

作者机构：CAS Key Laboratory of Optical AstronomyNational Astronomical ObservatoriesBeijing 100101China University of Chinese Academy of SciencesBeijing 100049China College of Computer and Information Management&Institute for Astronomical ScienceDezhou UniversityDezhou 253023China 

出 版 物：《Research in Astronomy and Astrophysics》 (天文和天体物理学研究（英文版）)

年 卷 期：2023年第23卷第6期

页      面：56-64页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：supported by the National Natural Science Foundation of China(Nos.12273075 and 12090041) support from the National Key R&D Program of China(No.2021YFA1600401,2021YFA1600400) the Guangxi Natural Science Foundation(No.2019GXNSFFA 245008) 

主　　题：galaxies:general galaxies:dwarf galaxies:formation 

摘      要：Green Pea galaxies are compact galaxies with high star formation ***,limited samples of Green Pea galaxies have H I 21 cm *** the H I gas fraction(fH I≡MH I/M_(★))of Green Pea galaxies follows the existing scaling relations between the fH Iand NUV-r color or linear combinations of color and other physical quantities needs *** archival data of H I 21 cm observations,we investigate the scaling relation of the NUV-r color with the MH I/M_(★)of 38 Green Pea galaxies,including 17 detections and 21 *** H I to stellar mass ratios(fH I)of Green Pea galaxies deviate from the polynomial form,where a higher H I gas fraction is predicted given the current NUV-r color,even with the emission lines *** blue sources(NUV-r1)from the comparison sample(ALFALFA-SDSS)follow a similar *** H I gas fraction scaling relations with linear combination forms of-0.34(N UV-r)-0.64 log(μ_(★,z))+5.9 and-0.77 log_(μ_(★)),i+0.26logS FRM_(★)+8.53,better predict the H I gas fraction of the Green Pea *** order to obtain accurate linear combined forms,higher-resolution photometry from space-based telescopes is needed.