Three New Spiral Galaxies with Active Nuclei Producing Double Radio Lobes  

作　　者：X.Y.Gao Z.S.Yuan J.L.Han Z.L.Wen S.S.Shan 

机构地区：[1]National Astronomical Observatories,Chinese Academy of Sciences,Bejing 10011,China [2]CAS Key Laboratory of FAST,National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100101,China [3]School of Astronomy,University of Chinese Academy of Sciences,Beijing 100049,China

出　　处：《Research in Astronomy and Astrophysics》2023年第3期46-53,共8页天文和天体物理学研究（英文版）

基　　金：supported by the National Natural Science Foundation of China(NSFC,Grant Nos.11988101,11833009);the National SKA Program of China(Grant No.2022SKA0120103);the National Key R&D Program of China(Nos.2021YFA1600401 and 2021YFA1600400);the Open Project Program of the Key Laboratory of FAST,NAOC,Chinese Academy of Sciences;X.Y.G.acknowledges the financial support from the CAS-NWO cooperation program(Grant No.GJHZ1865)。

摘　　要：Double radio lobes are generally believed to be produced by active nuclei of elliptical galaxies.However,several double-lobed radio sources have been solidly found to be associated with spiral galaxies.By cross-matching~9×105 spiral galaxies selected from the Sloan Digital Sky Survey DR8 data with the full 1.4 GHz radio source catalogs of NRAO VLA Sky Survey and Faint Images of the Radio Sky at Twenty-centimeters,we identify three new spiral galaxies:J0326-0623,J1110+0321 and J1134+3046 that produce double radio lobes,and five doublelobed spirals previously known.By combining the newly discovered and all the other known cases in literature,we confirm the relation that more massive spiral galaxies could produce more powerful radio lobes.We find that most of these spiral galaxies are located in a galaxy group or a poor cluster,in which the environment is denser than in the field,and about half of them are the central brightest galaxies in their parent system.We therefore suggest that the environment is one of the key factors for a spiral to produce double radio lobes.

关 键 词：GALAXIES GALAXY MASSIVE 

分 类 号：P157.6[天文地球—天文学]