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INFRARED OBSERVATIONS OF THE MILLISECOND PULSAR BINARY J1023+0038: EVIDENCE FOR THE SHORT-TERM NATURE OF ITS INTERACTING PHASE IN 2000-2001
Indexado
WoS WOS:000314812600032
Scopus SCOPUS_ID:84874091405
DOI 10.1088/0004-637X/764/2/144
Año 2013
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



We report our multi-band infrared (IR) imaging of the transitional millisecond pulsar system J1023+0038, a rare pulsar binary known to have an accretion disk in 2000-2001. The observations were carried out with ground-based and space telescopes from near-IR to far-IRwavelengths. We detected the source in near-IR JH bands and Spitzer 3.6 and 4.5 mu m mid-IR channels. Combined with the previously reported optical spectrum of the source, the IR emission is found to arise from the companion star, with no excess emission detected in the wavelength range. Because our near-IR fluxes are nearly equal to those obtained by the 2MASS all-sky survey in 2000 February, the result indicates that the binary did not contain the accretion disk at the time, whose existence would have raised the near-IR fluxes to twice larger values. Our observations have thus established the short-term nature of the interacting phase seen in 2000-2001: the accretion disk existed for at most 2.5 yr. The binary was not detected by the WISE all-sky survey carried out in 2010 at its 12 and 22 mu m bands and our Herschel far-IR imaging at 70 and 160 mu m. Depending on the assumed properties of the dust, the resulting flux upper limits provide a constraint of <3 x 10(22)-3 x 10(25) g on the mass of the dust grains that possibly exist as the remnants of the previously seen accretion disk.

Revista



Revista ISSN
Astrophysical Journal 0004-637X

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Disciplinas de Investigación



WOS
Astronomy & Astrophysics
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Wang, Xuebing - CASSACA - China
Shanghai Astronomical Observatory Chinese Academy of Sciences - China
University of Chinese Academy of Sciences - China
2 Wang, Zhongxiang - CASSACA - China
Shanghai Astronomical Observatory Chinese Academy of Sciences - China
3 MORRELL, NIDIA IRENE Mujer Observatorio Las Campanas - Chile
Las Campanas Observatory - Chile

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Financiamiento



Fuente
National Natural Science Foundation of China
National Science Foundation
NASA
National Aeronautics and Space Administration
National Basic Research Program of China (973 Project)

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
We thank the anonymous referee for helpful comments. This research was supported by National Basic Research Program of China (973 Project 2009CB824800) and National Natural Science Foundation of China (11073042). Z.W. is a Research Fellow of the One-Hundred-Talents project of the Chinese Academy of Sciences.

Muestra la fuente de financiamiento declarada en la publicación.