首页|Observational characteristics of SiO masers around VX Sgr

Observational characteristics of SiO masers around VX Sgr

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SiO maser VLBA observations toward VX Sgr are performed at five epochs,and lots of maser spots are obtained.We make a statistical analysis on these spots.It is shown that the apparent sizes and the fluxes of maser spots decrease with increasing the distance from the central star.In addition,the similarity between the v = 1,2(J=1-0)spectrums increases with epochs,consistent with the full width at half maximum(FWHM),while the total fluxes increase.The results may be related to the changeable pumping mechanisms.

masersstars:individual(VX Sgr)techniques:interferometricturbulence

Jiang-Bo Su、Zhi-Qiang Shen、Xi Chen、Jing Liu、Yan Wang、Yi-Bin Zhao

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Department of Physics and Electronics,Yuncheng University,Yuncheng 044000,China

Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China

Center for Astrophysics,Guangzhou University,Guangzhou 510006,China

This work is supported by the National Natural Science Foundation of ChinaThis work is supported by the National Natural Science Foundation of ChinaScience and Technology Innovation Program of Shanxi ProvinceYuncheng University

U1431125U16311062019L0876YQ-2019016

2020

10.1088/1674-4527/20/12/192

天文和天体物理学研究
中国科学院国家天文台

天文和天体物理学研究

CSTPCDCSCDSCI
影响因子：0.406
ISSN：1674-4527
年,卷(期)：2020.20(12)
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