PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster
ThisworkaimstoinvestigatethephysicalpropertiesofsamplegalaxiesinAbell 2142cluster.Thephotometricandspectroscopicdatausinginthisworkwerecollected fromtheSloanDigitalSkySurvey(SDSS),selectedwithin2criteria;localedwithin100 arcminutesfromAbell2142centreandredshift0.0781≤z≤0.1038foravoideffectof bac...
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เชียงใหม่ : บัณฑิตวิทยาลัย มหาวิทยาลัยเชียงใหม่
2020
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| Online Access: | http://cmuir.cmu.ac.th/jspui/handle/6653943832/69473 |
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th-cmuir.6653943832-694732020-08-10T01:35:08Z PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster การกระจายสมบัติทางกายภาพของประชากรกาแล็กซีในกระจุกกาแล็กซีเอเบลล์ 2142 KledsaiPoopakun Assoc.Prof.Dr.WicheanKriwattanawong ThisworkaimstoinvestigatethephysicalpropertiesofsamplegalaxiesinAbell 2142cluster.Thephotometricandspectroscopicdatausinginthisworkwerecollected fromtheSloanDigitalSkySurvey(SDSS),selectedwithin2criteria;localedwithin100 arcminutesfromAbell2142centreandredshift0.0781≤z≤0.1038foravoideffectof backgroundandforeground.OurresultrevealsthatgalaxysampleinAbell2142canbe separatedinto2groupswhichgroupI(0.0781≤z≤0.0850),subclusterconnectingtothe filamentregion,andgroupII(0.0850 < z ≤0.1038),membersaroundtheclustercentral region.Moreover,Therelationbetweenapparentmagnitudein g filterbandandcolour indexsuggestthattheparameter u − z = 3.0canbeuseasacriteriatoseparatesamples intoblue(u − z ≤ 3.0)andred(u − z > 3.0)sequencegalaxies.Wealsoconsiderthe starformationactivityinthesample,wedefinedgalaxywiththeequivalentwidthofHα (EW(Hα) )greaterthan5Åasanactivegalaxyandfoundthatthesampleinsubcluster connectingtothefilamentregionshowsevidenceofstarformingactivitymorethanthe sampleinmembersaroundtheclustercentralregion.Thebluesequencegalaxiesalso tendtobemoreactivegalaxiesthanredsequencegalaxies. 2020-08-10T01:35:08Z 2020-08-10T01:35:08Z 2020-04 Thesis http://cmuir.cmu.ac.th/jspui/handle/6653943832/69473 en เชียงใหม่ : บัณฑิตวิทยาลัย มหาวิทยาลัยเชียงใหม่ |
| institution |
Chiang Mai University |
| building |
Chiang Mai University Library |
| continent |
Asia |
| country |
Thailand Thailand |
| content_provider |
Chiang Mai University Library |
| collection |
CMU Intellectual Repository |
| language |
English |
| description |
ThisworkaimstoinvestigatethephysicalpropertiesofsamplegalaxiesinAbell
2142cluster.Thephotometricandspectroscopicdatausinginthisworkwerecollected
fromtheSloanDigitalSkySurvey(SDSS),selectedwithin2criteria;localedwithin100
arcminutesfromAbell2142centreandredshift0.0781≤z≤0.1038foravoideffectof
backgroundandforeground.OurresultrevealsthatgalaxysampleinAbell2142canbe
separatedinto2groupswhichgroupI(0.0781≤z≤0.0850),subclusterconnectingtothe
filamentregion,andgroupII(0.0850 < z ≤0.1038),membersaroundtheclustercentral
region.Moreover,Therelationbetweenapparentmagnitudein g filterbandandcolour
indexsuggestthattheparameter u − z = 3.0canbeuseasacriteriatoseparatesamples
intoblue(u − z ≤ 3.0)andred(u − z > 3.0)sequencegalaxies.Wealsoconsiderthe
starformationactivityinthesample,wedefinedgalaxywiththeequivalentwidthofHα
(EW(Hα) )greaterthan5Åasanactivegalaxyandfoundthatthesampleinsubcluster
connectingtothefilamentregionshowsevidenceofstarformingactivitymorethanthe
sampleinmembersaroundtheclustercentralregion.Thebluesequencegalaxiesalso
tendtobemoreactivegalaxiesthanredsequencegalaxies. |
| author2 |
Assoc.Prof.Dr.WicheanKriwattanawong |
| author_facet |
Assoc.Prof.Dr.WicheanKriwattanawong KledsaiPoopakun |
| format |
Theses and Dissertations |
| author |
KledsaiPoopakun |
| spellingShingle |
KledsaiPoopakun PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| author_sort |
KledsaiPoopakun |
| title |
PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| title_short |
PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| title_full |
PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| title_fullStr |
PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| title_full_unstemmed |
PhysicalPropertiesDistributionofGalaxyPopulationin Abell2142Cluster |
| title_sort |
physicalpropertiesdistributionofgalaxypopulationin abell2142cluster |
| publisher |
เชียงใหม่ : บัณฑิตวิทยาลัย มหาวิทยาลัยเชียงใหม่ |
| publishDate |
2020 |
| url |
http://cmuir.cmu.ac.th/jspui/handle/6653943832/69473 |
| _version_ |
1681752712568373248 |