Electron Population Aging Models for Wide-Angle Tails
New Astron.Rev. 46 (2002) 105-107 Color-color diagrams have been useful in studying the spectral shapes in radio galaxies. At the workshop we presented color-color diagrams for two wide-angle tails, 1231+674 and 1433+553, and found that the standard aging models do not adequately represent the obser...
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| creator | Young, Andrew Rudnick, Lawrence Katz-Stone, Debora M O'Donoghue, Aileen A |
| description | New Astron.Rev. 46 (2002) 105-107 Color-color diagrams have been useful in studying the spectral shapes in
radio galaxies. At the workshop we presented color-color diagrams for two
wide-angle tails, 1231+674 and 1433+553, and found that the standard aging
models do not adequately represent the observed data. Although the JP and KP
models can explain some of the observed points in the color-color diagram, they
do not account for those found near the power-law line. This difficulty may be
attributable to several causes. Spectral tomography has been previously used to
discern two separate electron populations in these sources. The combination
spectra from two such overlying components can easily resemble a range of
power-laws. In addition, any non-uniformity in the magnetic field strength can
also create a power-law-like spectrum. We will also discuss the effects that
angular resolution has on the shape of the spectrum. |
| doi_str_mv | 10.48550/arxiv.astro-ph/9909182 |
| format | Article |
| fullrecord | <record><control><sourceid>arxiv_GOX</sourceid><recordid>TN_cdi_arxiv_primary_astro_ph_9909182</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>astro_ph_9909182</sourcerecordid><originalsourceid>FETCH-arxiv_primary_astro_ph_99091823</originalsourceid><addsrcrecordid>eNpjYJA3NNAzsTA1NdBPLKrILNNLLC4pytctyNC3tDSwNLQw4mQwdc1JTQYK5ikE5BeU5iSWZAKZjumZeekKvvkpqTnFCmn5RQrhmSmpuo556TmpCiGJmTnFPAysaYk5xam8UJqbQdXNNcTZQxdsTXxBUWZuYlFlPNi6-IKMeKh1xsSqAwD1HTsO</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Electron Population Aging Models for Wide-Angle Tails</title><source>arXiv.org</source><creator>Young, Andrew ; Rudnick, Lawrence ; Katz-Stone, Debora M ; O'Donoghue, Aileen A</creator><creatorcontrib>Young, Andrew ; Rudnick, Lawrence ; Katz-Stone, Debora M ; O'Donoghue, Aileen A</creatorcontrib><description>New Astron.Rev. 46 (2002) 105-107 Color-color diagrams have been useful in studying the spectral shapes in
radio galaxies. At the workshop we presented color-color diagrams for two
wide-angle tails, 1231+674 and 1433+553, and found that the standard aging
models do not adequately represent the observed data. Although the JP and KP
models can explain some of the observed points in the color-color diagram, they
do not account for those found near the power-law line. This difficulty may be
attributable to several causes. Spectral tomography has been previously used to
discern two separate electron populations in these sources. The combination
spectra from two such overlying components can easily resemble a range of
power-laws. In addition, any non-uniformity in the magnetic field strength can
also create a power-law-like spectrum. We will also discuss the effects that
angular resolution has on the shape of the spectrum.</description><identifier>DOI: 10.48550/arxiv.astro-ph/9909182</identifier><language>eng</language><subject>Physics - Astrophysics of Galaxies ; Physics - Cosmology and Nongalactic Astrophysics ; Physics - Earth and Planetary Astrophysics ; Physics - High Energy Astrophysical Phenomena ; Physics - Instrumentation and Methods for Astrophysics ; Physics - Solar and Stellar Astrophysics</subject><creationdate>1999-09</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,781,886</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/astro-ph/9909182$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.astro-ph/9909182$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1016/S1387-6473(01)00164-6$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Young, Andrew</creatorcontrib><creatorcontrib>Rudnick, Lawrence</creatorcontrib><creatorcontrib>Katz-Stone, Debora M</creatorcontrib><creatorcontrib>O'Donoghue, Aileen A</creatorcontrib><title>Electron Population Aging Models for Wide-Angle Tails</title><description>New Astron.Rev. 46 (2002) 105-107 Color-color diagrams have been useful in studying the spectral shapes in
radio galaxies. At the workshop we presented color-color diagrams for two
wide-angle tails, 1231+674 and 1433+553, and found that the standard aging
models do not adequately represent the observed data. Although the JP and KP
models can explain some of the observed points in the color-color diagram, they
do not account for those found near the power-law line. This difficulty may be
attributable to several causes. Spectral tomography has been previously used to
discern two separate electron populations in these sources. The combination
spectra from two such overlying components can easily resemble a range of
power-laws. In addition, any non-uniformity in the magnetic field strength can
also create a power-law-like spectrum. We will also discuss the effects that
angular resolution has on the shape of the spectrum.</description><subject>Physics - Astrophysics of Galaxies</subject><subject>Physics - Cosmology and Nongalactic Astrophysics</subject><subject>Physics - Earth and Planetary Astrophysics</subject><subject>Physics - High Energy Astrophysical Phenomena</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><subject>Physics - Solar and Stellar Astrophysics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNpjYJA3NNAzsTA1NdBPLKrILNNLLC4pytctyNC3tDSwNLQw4mQwdc1JTQYK5ikE5BeU5iSWZAKZjumZeekKvvkpqTnFCmn5RQrhmSmpuo556TmpCiGJmTnFPAysaYk5xam8UJqbQdXNNcTZQxdsTXxBUWZuYlFlPNi6-IKMeKh1xsSqAwD1HTsO</recordid><startdate>19990910</startdate><enddate>19990910</enddate><creator>Young, Andrew</creator><creator>Rudnick, Lawrence</creator><creator>Katz-Stone, Debora M</creator><creator>O'Donoghue, Aileen A</creator><scope>GOX</scope></search><sort><creationdate>19990910</creationdate><title>Electron Population Aging Models for Wide-Angle Tails</title><author>Young, Andrew ; Rudnick, Lawrence ; Katz-Stone, Debora M ; O'Donoghue, Aileen A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_astro_ph_99091823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Physics - Astrophysics of Galaxies</topic><topic>Physics - Cosmology and Nongalactic Astrophysics</topic><topic>Physics - Earth and Planetary Astrophysics</topic><topic>Physics - High Energy Astrophysical Phenomena</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><topic>Physics - Solar and Stellar Astrophysics</topic><toplevel>online_resources</toplevel><creatorcontrib>Young, Andrew</creatorcontrib><creatorcontrib>Rudnick, Lawrence</creatorcontrib><creatorcontrib>Katz-Stone, Debora M</creatorcontrib><creatorcontrib>O'Donoghue, Aileen A</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Young, Andrew</au><au>Rudnick, Lawrence</au><au>Katz-Stone, Debora M</au><au>O'Donoghue, Aileen A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron Population Aging Models for Wide-Angle Tails</atitle><date>1999-09-10</date><risdate>1999</risdate><abstract>New Astron.Rev. 46 (2002) 105-107 Color-color diagrams have been useful in studying the spectral shapes in
radio galaxies. At the workshop we presented color-color diagrams for two
wide-angle tails, 1231+674 and 1433+553, and found that the standard aging
models do not adequately represent the observed data. Although the JP and KP
models can explain some of the observed points in the color-color diagram, they
do not account for those found near the power-law line. This difficulty may be
attributable to several causes. Spectral tomography has been previously used to
discern two separate electron populations in these sources. The combination
spectra from two such overlying components can easily resemble a range of
power-laws. In addition, any non-uniformity in the magnetic field strength can
also create a power-law-like spectrum. We will also discuss the effects that
angular resolution has on the shape of the spectrum.</abstract><doi>10.48550/arxiv.astro-ph/9909182</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics |
| title | Electron Population Aging Models for Wide-Angle Tails |
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