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Article: On the infrared, optical, and high-energy emission from the anomalous X-ray pulsar 4U 0142+61

TitleOn the infrared, optical, and high-energy emission from the anomalous X-ray pulsar 4U 0142+61
Authors
KeywordsAccretion, accretion disks
Pulsars: individual (4U 0142+61)
Stars: neutron
X-rays: bursts
Issue Date2004
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2004, v. 605 n. 2 I, p. 840-845 How to Cite?
AbstractWe show that the observed pulsed optical emission of the anomalous X-ray pulsar 4 U 0142+61 can be accounted for by both the magnetar outer gap models and the disk-star dynamo gap models; therefore, there is no evidence favoring only one of these models as its responsible mechanism. Nevertheless, the estimated high-energy gamma-ray spectra from these models have different power-law indices and can be tested by future observations with the Gamma-Ray Large Area Space Telescope (GLAST). Furthermore, we show by analytical estimations that the expectations of a standard disk model are in agreement with the observed unpulsed optical and infrared luminosities of the AXP 4U 0142+61.
Persistent Identifierhttp://hdl.handle.net/10722/43449
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorErtan, Üen_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2007-03-23T04:45:54Z-
dc.date.available2007-03-23T04:45:54Z-
dc.date.issued2004en_HK
dc.identifier.citationAstrophysical Journal Letters, 2004, v. 605 n. 2 I, p. 840-845en_HK
dc.identifier.issn2041-8205en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43449-
dc.description.abstractWe show that the observed pulsed optical emission of the anomalous X-ray pulsar 4 U 0142+61 can be accounted for by both the magnetar outer gap models and the disk-star dynamo gap models; therefore, there is no evidence favoring only one of these models as its responsible mechanism. Nevertheless, the estimated high-energy gamma-ray spectra from these models have different power-law indices and can be tested by future observations with the Gamma-Ray Large Area Space Telescope (GLAST). Furthermore, we show by analytical estimations that the expectations of a standard disk model are in agreement with the observed unpulsed optical and infrared luminosities of the AXP 4U 0142+61.en_HK
dc.format.extent169192 bytes-
dc.format.extent12158 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_HK
dc.relation.ispartofAstrophysical Journal Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsThe Astrophysical Journal. Copyright © University of Chicago Press.en_HK
dc.subjectAccretion, accretion disksen_HK
dc.subjectPulsars: individual (4U 0142+61)en_HK
dc.subjectStars: neutronen_HK
dc.subjectX-rays: burstsen_HK
dc.titleOn the infrared, optical, and high-energy emission from the anomalous X-ray pulsar 4U 0142+61en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0004-637X&volume=605&issue=2 pt 1&spage=840&epage=845&date=2004&atitle=On+the+Infrared,+Optical,+and+High-Energy+Emission+from+the+Anomalous+X-Ray+Pulsar+4U+0142+61en_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1086/382502en_HK
dc.identifier.scopuseid_2-s2.0-2542562893en_HK
dc.identifier.hkuros97121-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2542562893&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume605en_HK
dc.identifier.issue2 Ien_HK
dc.identifier.spage840en_HK
dc.identifier.epage845en_HK
dc.identifier.isiWOS:000220801900028-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridErtan, Ü=36486249800en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK

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