Evidence of Class Transitions in GRS 1915+105 from IXAE Data
Astrophys.J. 607 (2004) 406 GRS 1915+105 shows at least twelve distinct classes of light curves. By analysing the data obtained from Indian X-ray Astronomy Experiment (IXAE) instrument aboard IRS-P3 satellite, we show that in at least two days, transitions between one class to another were observed....
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| creator | Chakrabarti, Sandip K Nandi, A Choudhury, Asit Chatterjee, Utpal |
| description | Astrophys.J. 607 (2004) 406 GRS 1915+105 shows at least twelve distinct classes of light curves. By
analysing the data obtained from Indian X-ray Astronomy Experiment (IXAE)
instrument aboard IRS-P3 satellite, we show that in at least two days,
transitions between one class to another were observed. In these days the
so-called $\kappa$ class went to $\rho$ class and $\chi$ class went to $\rho$
class. In the frequency-time plane such transitions exhibited change in
quasi-periodic oscillation (QPO) frequency. We could detect that low-frequency
QPOs can occur in anticipation of a class transition several hundred minutes
before the actual transition |
| doi_str_mv | 10.48550/arxiv.astro-ph/0501282 |
| format | Article |
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analysing the data obtained from Indian X-ray Astronomy Experiment (IXAE)
instrument aboard IRS-P3 satellite, we show that in at least two days,
transitions between one class to another were observed. In these days the
so-called $\kappa$ class went to $\rho$ class and $\chi$ class went to $\rho$
class. In the frequency-time plane such transitions exhibited change in
quasi-periodic oscillation (QPO) frequency. We could detect that low-frequency
QPOs can occur in anticipation of a class transition several hundred minutes
before the actual transition</description><identifier>DOI: 10.48550/arxiv.astro-ph/0501282</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>2005-01</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/astro-ph/0501282$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.astro-ph/0501282$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1086/383235$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Chakrabarti, Sandip K</creatorcontrib><creatorcontrib>Nandi, A</creatorcontrib><creatorcontrib>Choudhury, Asit</creatorcontrib><creatorcontrib>Chatterjee, Utpal</creatorcontrib><title>Evidence of Class Transitions in GRS 1915+105 from IXAE Data</title><description>Astrophys.J. 607 (2004) 406 GRS 1915+105 shows at least twelve distinct classes of light curves. By
analysing the data obtained from Indian X-ray Astronomy Experiment (IXAE)
instrument aboard IRS-P3 satellite, we show that in at least two days,
transitions between one class to another were observed. In these days the
so-called $\kappa$ class went to $\rho$ class and $\chi$ class went to $\rho$
class. In the frequency-time plane such transitions exhibited change in
quasi-periodic oscillation (QPO) frequency. We could detect that low-frequency
QPOs can occur in anticipation of a class transition several hundred minutes
before the actual transition</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>2005</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNpjYJA3NNAzsTA1NdBPLKrILNNLLC4pytctyNA3MDUwNLIw4mSwcS3LTEnNS05VyE9TcM5JLC5WCClKzCvOLMnMzytWyMxTcA8KVjC0NDTVNjQwVUgrys9V8IxwdFVwSSxJ5GFgTUvMKU7lhdLcDKpuriHOHrpg2-ILijJzE4sq48G2xhdkxENtNSZWHQCIKjrc</recordid><startdate>20050114</startdate><enddate>20050114</enddate><creator>Chakrabarti, Sandip K</creator><creator>Nandi, A</creator><creator>Choudhury, Asit</creator><creator>Chatterjee, Utpal</creator><scope>GOX</scope></search><sort><creationdate>20050114</creationdate><title>Evidence of Class Transitions in GRS 1915+105 from IXAE Data</title><author>Chakrabarti, Sandip K ; Nandi, A ; Choudhury, Asit ; Chatterjee, Utpal</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_astro_ph_05012823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</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>Chakrabarti, Sandip K</creatorcontrib><creatorcontrib>Nandi, A</creatorcontrib><creatorcontrib>Choudhury, Asit</creatorcontrib><creatorcontrib>Chatterjee, Utpal</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Chakrabarti, Sandip K</au><au>Nandi, A</au><au>Choudhury, Asit</au><au>Chatterjee, Utpal</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence of Class Transitions in GRS 1915+105 from IXAE Data</atitle><date>2005-01-14</date><risdate>2005</risdate><abstract>Astrophys.J. 607 (2004) 406 GRS 1915+105 shows at least twelve distinct classes of light curves. By
analysing the data obtained from Indian X-ray Astronomy Experiment (IXAE)
instrument aboard IRS-P3 satellite, we show that in at least two days,
transitions between one class to another were observed. In these days the
so-called $\kappa$ class went to $\rho$ class and $\chi$ class went to $\rho$
class. In the frequency-time plane such transitions exhibited change in
quasi-periodic oscillation (QPO) frequency. We could detect that low-frequency
QPOs can occur in anticipation of a class transition several hundred minutes
before the actual transition</abstract><doi>10.48550/arxiv.astro-ph/0501282</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 | Evidence of Class Transitions in GRS 1915+105 from IXAE Data |
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