Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri

Radio astronomy is a new field in Southeast Asia. University Malaya Radio Telescope UMRT-II is located on the roof of Block B in the Department of Physics, University of Malaya to detect neutral hydrogen emission line. Doppler shift of 1420.4 MHz for different radio sources were observed to determin...

Full description

Saved in:
Bibliographic Details
Main Author: Al-Amri, Mohammed Awid
Format: Thesis
Published: 2010
Subjects:
Online Access:http://studentsrepo.um.edu.my/4305/1/thesis__final.pdf
http://pendeta.um.edu.my/client/default/search/detailnonmodal/ent:$002f$002fSD_ILS$002f796$002fSD_ILS:796505/one?qu=Dynamics+of+strong+radio+sources
http://studentsrepo.um.edu.my/4305/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.um.stud.4305
record_format eprints
spelling my.um.stud.43052014-09-25T08:40:00Z Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri Al-Amri, Mohammed Awid Q Science (General) QC Physics Radio astronomy is a new field in Southeast Asia. University Malaya Radio Telescope UMRT-II is located on the roof of Block B in the Department of Physics, University of Malaya to detect neutral hydrogen emission line. Doppler shift of 1420.4 MHz for different radio sources were observed to determine their dynamics. By measuring the Doppler shift, the velocity V, of each radio source can be determined. Hence the dynamic of radio source can be deduced. The radio spectrum of Coma Cluster was also analyzed and its dark matter content was estimated. The observation time effort was investigated for Coma Cluster spectra detection and it was found that the dark matter mass significantly high. It was successfully concluded that longer observation time improves spectrum detection of weak radio sources. The observations of neutral hydrogen emission line were interfaced by man-made radio frequencies from unknown sources. This type of radio frequency is called Radio Frequency Interference (RFI). Two surveys for RFI at two sites were done. The first one was at the same site of our radio telescope UMRT-II, at the Department of Physics, University Malaya, and the second one was at another site (Lubuk China, Malacca). For these surveys, a simple technique was used using a discone antenna, Low Noise Amplifier (LNA) and a 2 GHz spectrum analyzer. 2010 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/4305/1/thesis__final.pdf http://pendeta.um.edu.my/client/default/search/detailnonmodal/ent:$002f$002fSD_ILS$002f796$002fSD_ILS:796505/one?qu=Dynamics+of+strong+radio+sources Al-Amri, Mohammed Awid (2010) Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri. Masters thesis, University of Malaya. http://studentsrepo.um.edu.my/4305/
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Student Repository
url_provider http://studentsrepo.um.edu.my/
topic Q Science (General)
QC Physics
spellingShingle Q Science (General)
QC Physics
Al-Amri, Mohammed Awid
Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
description Radio astronomy is a new field in Southeast Asia. University Malaya Radio Telescope UMRT-II is located on the roof of Block B in the Department of Physics, University of Malaya to detect neutral hydrogen emission line. Doppler shift of 1420.4 MHz for different radio sources were observed to determine their dynamics. By measuring the Doppler shift, the velocity V, of each radio source can be determined. Hence the dynamic of radio source can be deduced. The radio spectrum of Coma Cluster was also analyzed and its dark matter content was estimated. The observation time effort was investigated for Coma Cluster spectra detection and it was found that the dark matter mass significantly high. It was successfully concluded that longer observation time improves spectrum detection of weak radio sources. The observations of neutral hydrogen emission line were interfaced by man-made radio frequencies from unknown sources. This type of radio frequency is called Radio Frequency Interference (RFI). Two surveys for RFI at two sites were done. The first one was at the same site of our radio telescope UMRT-II, at the Department of Physics, University Malaya, and the second one was at another site (Lubuk China, Malacca). For these surveys, a simple technique was used using a discone antenna, Low Noise Amplifier (LNA) and a 2 GHz spectrum analyzer.
format Thesis
author Al-Amri, Mohammed Awid
author_facet Al-Amri, Mohammed Awid
author_sort Al-Amri, Mohammed Awid
title Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
title_short Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
title_full Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
title_fullStr Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
title_full_unstemmed Dynamics of strong radio sources with UMRT-II / Mohammed Awid Al-Amri
title_sort dynamics of strong radio sources with umrt-ii / mohammed awid al-amri
publishDate 2010
url http://studentsrepo.um.edu.my/4305/1/thesis__final.pdf
http://pendeta.um.edu.my/client/default/search/detailnonmodal/ent:$002f$002fSD_ILS$002f796$002fSD_ILS:796505/one?qu=Dynamics+of+strong+radio+sources
http://studentsrepo.um.edu.my/4305/
_version_ 1738505662057414656
score 13.214268