Microlensing variability in time-delay quasars
Astron.Astrophys. 455 (2006) L1-L4 We have searched for microlensing variability in the light curves of five gravitationally lensed quasars with well-determined time delays: SBS 1520+530, FBQ 0951+2635, RX J0911+0551, B1600+434 and HE 2149-2745. By comparing the light curve of the leading image with...
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| creator | Paraficz, D Hjorth, J Burud, I Jakobsson, P Eliasdottir, A |
| description | Astron.Astrophys. 455 (2006) L1-L4 We have searched for microlensing variability in the light curves of five
gravitationally lensed quasars with well-determined time delays: SBS 1520+530,
FBQ 0951+2635, RX J0911+0551, B1600+434 and HE 2149-2745. By comparing the
light curve of the leading image with a suitably time offset light curve of a
trailing image we find that two (SBS 1520+530 and FBQ 0951+2635) out of the
five quasars have significant long-term (years) and short-term (100 days)
brightness variations that may be attributed to microlensing.The short-term
variations may be due to nanolenses, relativistic hot or cold spots in the
quasar accretion disks, or coherent microlensing at large optical depth. |
| doi_str_mv | 10.48550/arxiv.astro-ph/0607133 |
| format | Article |
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gravitationally lensed quasars with well-determined time delays: SBS 1520+530,
FBQ 0951+2635, RX J0911+0551, B1600+434 and HE 2149-2745. By comparing the
light curve of the leading image with a suitably time offset light curve of a
trailing image we find that two (SBS 1520+530 and FBQ 0951+2635) out of the
five quasars have significant long-term (years) and short-term (100 days)
brightness variations that may be attributed to microlensing.The short-term
variations may be due to nanolenses, relativistic hot or cold spots in the
quasar accretion disks, or coherent microlensing at large optical depth.</description><identifier>DOI: 10.48550/arxiv.astro-ph/0607133</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>2006-07</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/astro-ph/0607133$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.astro-ph/0607133$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1051/0004-6361:20065502$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Paraficz, D</creatorcontrib><creatorcontrib>Hjorth, J</creatorcontrib><creatorcontrib>Burud, I</creatorcontrib><creatorcontrib>Jakobsson, P</creatorcontrib><creatorcontrib>Eliasdottir, A</creatorcontrib><title>Microlensing variability in time-delay quasars</title><description>Astron.Astrophys. 455 (2006) L1-L4 We have searched for microlensing variability in the light curves of five
gravitationally lensed quasars with well-determined time delays: SBS 1520+530,
FBQ 0951+2635, RX J0911+0551, B1600+434 and HE 2149-2745. By comparing the
light curve of the leading image with a suitably time offset light curve of a
trailing image we find that two (SBS 1520+530 and FBQ 0951+2635) out of the
five quasars have significant long-term (years) and short-term (100 days)
brightness variations that may be attributed to microlensing.The short-term
variations may be due to nanolenses, relativistic hot or cold spots in the
quasar accretion disks, or coherent microlensing at large optical depth.</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>2006</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNpjYJA3NNAzsTA1NdBPLKrILNNLLC4pytctyNA3MDMwNzQ25mTQ881MLsrPSc0rzsxLVyhLLMpMTMrMySypVMjMUyjJzE3VTUnNSaxUKCxNLE4sKuZhYE1LzClO5YXS3Ayqbq4hzh66YPPjC4oycxOLKuPB9sQXZMRD7TEmVh0AoR45Sw</recordid><startdate>20060707</startdate><enddate>20060707</enddate><creator>Paraficz, D</creator><creator>Hjorth, J</creator><creator>Burud, I</creator><creator>Jakobsson, P</creator><creator>Eliasdottir, A</creator><scope>GOX</scope></search><sort><creationdate>20060707</creationdate><title>Microlensing variability in time-delay quasars</title><author>Paraficz, D ; Hjorth, J ; Burud, I ; Jakobsson, P ; Eliasdottir, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_astro_ph_06071333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</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>Paraficz, D</creatorcontrib><creatorcontrib>Hjorth, J</creatorcontrib><creatorcontrib>Burud, I</creatorcontrib><creatorcontrib>Jakobsson, P</creatorcontrib><creatorcontrib>Eliasdottir, A</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Paraficz, D</au><au>Hjorth, J</au><au>Burud, I</au><au>Jakobsson, P</au><au>Eliasdottir, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microlensing variability in time-delay quasars</atitle><date>2006-07-07</date><risdate>2006</risdate><abstract>Astron.Astrophys. 455 (2006) L1-L4 We have searched for microlensing variability in the light curves of five
gravitationally lensed quasars with well-determined time delays: SBS 1520+530,
FBQ 0951+2635, RX J0911+0551, B1600+434 and HE 2149-2745. By comparing the
light curve of the leading image with a suitably time offset light curve of a
trailing image we find that two (SBS 1520+530 and FBQ 0951+2635) out of the
five quasars have significant long-term (years) and short-term (100 days)
brightness variations that may be attributed to microlensing.The short-term
variations may be due to nanolenses, relativistic hot or cold spots in the
quasar accretion disks, or coherent microlensing at large optical depth.</abstract><doi>10.48550/arxiv.astro-ph/0607133</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 | Microlensing variability in time-delay quasars |
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