NAOC Open IR
Search for Zeeman-splitting of OH 6.035 GHz line in the young planetary nebula K 3-35
Hou, L. G.1,2; Gao, X. Y.1,2
2020-07-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume495Issue:4Pages:4326-4333
AbstractMagnetic field could play a role in the formation and early evolution of non-spherical planetary nebulae (PNe). The predominant source of information of the magnetic fields in PNe is the polarization observations of maser emission. To date, distinct and/or possible Zeeman pairs have only been reported towards four PNe by measuring the OH ground-state transitions at 1.6-1.7 GHz. With the C-band (4-8 GHz) receiving system of the Shanghai TianMa 65-m radio telescope, we aim to search for possible Zeeman pairs of the PNe towards which the OH excited-state 6.035 GHz maser lines have been detected. For the young PN K 3-35, a new emission component near V-LSR = 20.5 km s(-1) , which is currently the strongest (I-peak similar to 0.3 Jy) among the four components towards K 3-35 is detected. A clear S-shaped feature corresponding to this new emission component is observed in the Stokes V spectrum. Frequency shifts are seen between the fitted left-hand circular polarization and right-hand circular polarization emission peaks for the two emission components near V-LSR = 19.7 and 20.5 km s(-1). If the S-shaped profile and the frequency shifts are the results of Zeeman-splitting, the line-of-sight magnetic field strengths of +2.9 +/- 0.6 and +4.5 +/- 0.4 mG can be inferred for these two emission components, respectively.
Keywordmagnetic fields masers polarization circumstellar matter planetary nebulae: general
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO
DOI10.1093/mnras/staa1461
WOS KeywordSTATISTICAL DISTANCE SCALE ; ROTATIONALLY EXCITED OH ; STAR-FORMING REGIONS ; MAGNETIC-FIELDS ; MASER EMISSION ; MERLIN POLARIMETRY ; POLARIZATION ; ENVELOPE ; H2O ; CATALOG
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFA0402701] ; National Natural Science Foundation (NNSF) of China[11988101] ; National Natural Science Foundation (NNSF) of China[11933011] ; National Natural Science Foundation (NNSF) of China[11833009] ; National Natural Science Foundation (NNSF) of China[U1831103] ; Youth Innovation Promotion Association CAS ; CAS-NWO
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation (NNSF) of China ; National Natural Science Foundation (NNSF) of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; CAS-NWO ; CAS-NWO
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000546679500064
PublisherOXFORD UNIV PRESS
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/82912
Collection中国科学院国家天文台
Corresponding AuthorHou, L. G.
Affiliation1.Chinese Acad Sci, Natl Astron Observ, 20A Datun Rd, Beijing 100101, Peoples R China
2.Chinese Acad Sci, CAS Key Lab FAST, Natl Astron Observ, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Hou, L. G.,Gao, X. Y.. Search for Zeeman-splitting of OH 6.035 GHz line in the young planetary nebula K 3-35[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,495(4):4326-4333.
APA Hou, L. G.,&Gao, X. Y..(2020).Search for Zeeman-splitting of OH 6.035 GHz line in the young planetary nebula K 3-35.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,495(4),4326-4333.
MLA Hou, L. G.,et al."Search for Zeeman-splitting of OH 6.035 GHz line in the young planetary nebula K 3-35".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 495.4(2020):4326-4333.
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