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《天文研究与技术》1999,(Z1)
1 IntroductionAnextralargeTypeⅣmicrowaveburstwasobservedwithPhoenixⅡMicrowaveSpec trometer ( 4 0 0GHz ,2 84GHzand 1 42GHz)atYunnanObservatoryfrom 0 8h31 mto 0 9h41 mUTonDecember 1 6 ,1 988.Inthemorethan 70minutes ,fiveintensivemainpeaksweregener atedontheType Ⅳμburstonthreewa… 相似文献
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《天文研究与技术》1999,(Z1)
1 IntroductionDuringtheROSATAll-SkySurvey (RASS)about 80 ,0 0 0X -raysourceswithadetectionlikelihood≥ 1 0werefound (Vogesetal.1 996 ) ,fromwhich 1 8,81 1sourceswerecompiledintheROSATBrightSourceCatalogue (RASS -BSC) (Vogesetal.1 996 ;) .OfRASSsourcesmorethan 6 5 %oftheobjectswerepre… 相似文献
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1 ObservationalvelocityfieldWeanalyseHβspectraobtainedatYunnanObservatorywiththetwo dimensionMulti Wave bandSpectra SpectroHelioGraph (MW SSHG) (XuanandLin 1 993) .ThePFLsappearedat0 1 :0 4UTofAugust 1 7,1 989onthewesternsolarlimbabovethelargeactiveregion (AR 5 6 2 9,S1 5°;W 1 … 相似文献
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《天文研究与技术》1999,(Z1)
1 IntroductionIRAS 0 331 3 6 0 5 8wasclassifiedasacandidateextremecarbonstarbasedonthesimilarityofitsIRASLRSspectrumtothoseofAFGL 30 6 8andIRC 1 0 2 1 6 (Volketal.1 992 ) .IthasnoopticalcounterpartinthePOSSplates (Jiang&Hu 1 992 ) .Inthenearinfrared ,thesourcewasdetectedatK =1 5 6… 相似文献
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《天文研究与技术》1999,(Z1)
Fisrt,welisttheinstrumentssofardeveloped ,beingreadyandtobeplanned ;PSPⅠPASPⅡPSP 0NewPSP planned“PASPⅢ”detectors 1 5InSb Si 32InSb 2 0 48Si 1 6InGaAs 1 6Silicon 1 6InSbcoverage 0 .9~ 2 .5 1 .4~ 4.2 0 .35~ 1 .0 0 .9~ 1 .5 5 0 .35~ 2 .5 μmresolution(R) 0 .1 (~ 2 0 ) 0 .1 (~ 40 ) ( 40 0~ 70 ) 0 .0 5 (~ 2 5 ) 0 .0 4(~ 2 0 ) μmamp… 相似文献
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1 ObservationsandDataProcessing1 1 RadioObservationsAparticularradiomicroflarewasobservedduring 0 6 4 5~ 0 72 0UTonJanuary 5 ,1 994bytheYunnanObservatoryhightimeresolutionsolarradiotelescope .Itoccurredat 1 42GHzdur ingasmall4S/Ftypeburst.Theobservationwasalsomadebyth… 相似文献
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《天文研究与技术》1999,(Z1)
1 IntroductionTheWUMa typecontactbinaryV1 0 73CygwasfirstreportedasavariablebyStrohmeier( 1 96 0 )anditsphotographiclightcurveandphotographictimesofminimumlightduring 1 930~1 939and 1 95 3~ 1 95 9werepublished (Strohmeieretal.1 96 2 ) .SpectroscopicobservationsofV1 0 73Cygweremade… 相似文献
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《天文研究与技术》2001,313(2):74-80
一、发表论文1、 SCI (科学引文索引 )类论文1 ) 一个日珥D3线的特征和计算 =CalculationsandphysicalpropertiesoftheD3emissionlinesofapromi nence .李可军 ,顾啸马 ,陈学昆 .MNRAS,2 0 0 0 ,Vol.31 3,761 - 766.2 ) 两个相接双星TZBoo和YSex的轨道周期研究 =OrbitalperiodStudiesofthetwocontactbinariesTZBootisandYSextantis .钱声邦 ,刘清耀 .A&A ,2 0 0 0 ,Vol.… 相似文献
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Xia Zhiguo Cao Ying Chen Jingying Li Weihua Jin Zhenyu Wang Shubao Liu Xiao Wang Min 《天文研究与技术》1999,(Z1)
Ourmeterwavesolarradioacousto -opticalspectrograph(AOS)tracesbacktotheyear 1 979whenitwasbeingbuilt.TheAOScoversaworkingfrequencyrangeof 2 30~ 30 0MHz .Ithasthemeritsofhighspectralresolutionandgoodsensitivity .Thespectralresolution( 0 2 5MHz)de pendsonthecharacteris… 相似文献
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D.M.D.Jasinta Bosscha Observatory Lembang Bandung Indonesia Department of Astronomy Institut Teknologi Bandung Jl. Ganesha Bandung Indonesia jasinta @ sirius. as. itb. ac.id 《天文研究与技术》1999,(Z1)
1 IntroductionSirius (α2 0 0 0 =6 h45 m2 ,δ2 0 0 0 =- 1 6°41′) ,thebrighteststarinthesky ,isadoublestarsystemwithlargemagnitudedifferencebetweenthetwocomponents (V =- 1 5 8forthebrighterstarand 8 44forthesecondary) .Thisyieldsvisualobservationstobemadeonlywhentheseparationsarela… 相似文献
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IntroductionCometHale Bopp(Hale,1 995 )isanextremelybrightcomet.Ithasbeenactivewhendiscov eryat 7AUfromtheSun(Sekanina ,1 996 ) .Thelocalizedejectionofdustandgasproducedcom plexcomastructurethatcanbeusedtostudytheejectionspeedandnucleusrotationperiod .Fur thermore… 相似文献