A Deep Radio Survey of Hard State and Quiescent Black Hole X-Ray Binaries

J CA Miller-Jones; P G Jonker; Thomas Maccarone; G Nelemans; D Calvelo

A Deep Radio Survey of Hard State and Quiescent Black Hole X-Ray Binaries

J CA Miller-Jones, P G Jonker, Thomas Maccarone, G Nelemans, D Calvelo

Physics

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Abstract

We have conducted a deep radio survey of a sample of black hole X-ray binaries in the hard and quiescent states to determine whether any systems were sufficiently bright for astrometric follow-up with high-sensitivity very long baseline interferometric arrays. The one hard-state system, Swift J1753.5-0127, was detected at a level of 0.5 mJy beam-1. All 11 quiescent systems were not detected. In the three cases with the highest predicted quiescent radio brightnesses (GRO J0422+32, XTE J1118+480, and GRO J1655-40), the new capabilities of the Expanded Very Large Array were used to reach noise levels as low as 2.6 μJy beam-1. None of the three sources were detected to 3σ upper limits of 8.3, 7.8, and 14.2 μJy beam-1, respectively. These observations represent the most stringent constraints to date on quiescent radio emission from black hole X-ray binaries. The uncertainties in the source distances, quiescent X-ray luminosities at the times of the observations, and the power-law index of

Original language	English
Pages (from-to)	L18
Journal	Astrophysical Journal Letters
State	Published - Sep 2011

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title = "A Deep Radio Survey of Hard State and Quiescent Black Hole X-Ray Binaries",

abstract = "We have conducted a deep radio survey of a sample of black hole X-ray binaries in the hard and quiescent states to determine whether any systems were sufficiently bright for astrometric follow-up with high-sensitivity very long baseline interferometric arrays. The one hard-state system, Swift J1753.5-0127, was detected at a level of 0.5 mJy beam-1. All 11 quiescent systems were not detected. In the three cases with the highest predicted quiescent radio brightnesses (GRO J0422+32, XTE J1118+480, and GRO J1655-40), the new capabilities of the Expanded Very Large Array were used to reach noise levels as low as 2.6 μJy beam-1. None of the three sources were detected to 3σ upper limits of 8.3, 7.8, and 14.2 μJy beam-1, respectively. These observations represent the most stringent constraints to date on quiescent radio emission from black hole X-ray binaries. The uncertainties in the source distances, quiescent X-ray luminosities at the times of the observations, and the power-law index of",

author = "Miller-Jones, {J CA} and Jonker, {P G} and Thomas Maccarone and G Nelemans and D Calvelo",

year = "2011",

month = sep,

language = "English",

pages = "L18",

journal = "Astrophysical Journal Letters",

}

TY - JOUR

T1 - A Deep Radio Survey of Hard State and Quiescent Black Hole X-Ray Binaries

AU - Miller-Jones, J CA

AU - Jonker, P G

AU - Maccarone, Thomas

AU - Nelemans, G

AU - Calvelo, D

PY - 2011/9

Y1 - 2011/9

N2 - We have conducted a deep radio survey of a sample of black hole X-ray binaries in the hard and quiescent states to determine whether any systems were sufficiently bright for astrometric follow-up with high-sensitivity very long baseline interferometric arrays. The one hard-state system, Swift J1753.5-0127, was detected at a level of 0.5 mJy beam-1. All 11 quiescent systems were not detected. In the three cases with the highest predicted quiescent radio brightnesses (GRO J0422+32, XTE J1118+480, and GRO J1655-40), the new capabilities of the Expanded Very Large Array were used to reach noise levels as low as 2.6 μJy beam-1. None of the three sources were detected to 3σ upper limits of 8.3, 7.8, and 14.2 μJy beam-1, respectively. These observations represent the most stringent constraints to date on quiescent radio emission from black hole X-ray binaries. The uncertainties in the source distances, quiescent X-ray luminosities at the times of the observations, and the power-law index of

AB - We have conducted a deep radio survey of a sample of black hole X-ray binaries in the hard and quiescent states to determine whether any systems were sufficiently bright for astrometric follow-up with high-sensitivity very long baseline interferometric arrays. The one hard-state system, Swift J1753.5-0127, was detected at a level of 0.5 mJy beam-1. All 11 quiescent systems were not detected. In the three cases with the highest predicted quiescent radio brightnesses (GRO J0422+32, XTE J1118+480, and GRO J1655-40), the new capabilities of the Expanded Very Large Array were used to reach noise levels as low as 2.6 μJy beam-1. None of the three sources were detected to 3σ upper limits of 8.3, 7.8, and 14.2 μJy beam-1, respectively. These observations represent the most stringent constraints to date on quiescent radio emission from black hole X-ray binaries. The uncertainties in the source distances, quiescent X-ray luminosities at the times of the observations, and the power-law index of

M3 - Article

SP - L18

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

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