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A radio frequency study of the accreting millisecond x-ray pulsar, IGR J16597-3704, in the globular cluster NGC 6256

A radio frequency study of the accreting millisecond x-ray pulsar, IGR J16597-3704, in the globular cluster NGC 6256
A radio frequency study of the accreting millisecond x-ray pulsar, IGR J16597-3704, in the globular cluster NGC 6256

We present Karl G. Jansky Very Large Array radio frequency observations of the new accreting millisecond X-ray pulsar (AMXP), IGR J16597-3704, located in the globular cluster NGC 6256. With these data, we detect a radio counterpart to IGR J16597-3704, and determine an improved source position. Pairing our radio observations with quasi-simultaneous Swift/XRT X-ray observations, we place IGR J16597-3704 on the radio-X-ray luminosity plane, where we find that IGR J16597-3704 is one of the more radio-quiet neutron star low-mass X-ray binaries known to date. We discuss the mechanisms that may govern radio luminosity (and in turn jet production and evolution) in AMXPs. Furthermore, we use our derived radio position to search for a counterpart in archival Hubble Space Telescope and Chandra X-ray Observatory data, and estimate an upper limit on the X-ray luminosity of IGR J16597-3704 during quiescence.

globular clusters: individual (NGC 6256), ISM: jets and outflows, radio continuum: stars, stars: individual (IGR J16597-3704), stars: neutron, X-rays: binaries
0004-637X
Tetarenko, A.J.
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Bahramian, A.
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Wijnands, R.
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Heinke, C.O.
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Maccarone, T.J.
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Miller-Jones, J.C.A.
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Strader, J.
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Chomiuk, L.
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Degenaar, N.
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Sivakoff, G.R.
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Altamirano, D.
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Deller, A.T.
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Kennea, J.A.
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Li, K.L.
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Plotkin, R.M.
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Russell, T.D.
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Shaw, A.W.
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Tetarenko, A.J.
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Bahramian, A.
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Wijnands, R.
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Heinke, C.O.
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Maccarone, T.J.
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Miller-Jones, J.C.A.
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Strader, J.
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Chomiuk, L.
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Degenaar, N.
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Sivakoff, G.R.
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Altamirano, D.
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Deller, A.T.
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Kennea, J.A.
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Li, K.L.
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Plotkin, R.M.
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Russell, T.D.
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Shaw, A.W.
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Tetarenko, A.J., Bahramian, A., Wijnands, R., Heinke, C.O., Maccarone, T.J., Miller-Jones, J.C.A., Strader, J., Chomiuk, L., Degenaar, N., Sivakoff, G.R., Altamirano, D., Deller, A.T., Kennea, J.A., Li, K.L., Plotkin, R.M., Russell, T.D. and Shaw, A.W. (2018) A radio frequency study of the accreting millisecond x-ray pulsar, IGR J16597-3704, in the globular cluster NGC 6256. Astrophysical Journal, 854 (2), [125]. (doi:10.3847/1538-4357/aaa95a).

Record type: Article

Abstract

We present Karl G. Jansky Very Large Array radio frequency observations of the new accreting millisecond X-ray pulsar (AMXP), IGR J16597-3704, located in the globular cluster NGC 6256. With these data, we detect a radio counterpart to IGR J16597-3704, and determine an improved source position. Pairing our radio observations with quasi-simultaneous Swift/XRT X-ray observations, we place IGR J16597-3704 on the radio-X-ray luminosity plane, where we find that IGR J16597-3704 is one of the more radio-quiet neutron star low-mass X-ray binaries known to date. We discuss the mechanisms that may govern radio luminosity (and in turn jet production and evolution) in AMXPs. Furthermore, we use our derived radio position to search for a counterpart in archival Hubble Space Telescope and Chandra X-ray Observatory data, and estimate an upper limit on the X-ray luminosity of IGR J16597-3704 during quiescence.

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A Radio Frequency Study of the Accreting Millisecond X-ray Pulsar, IGR J16597-3704, in the Globular Cluster NGC 6256 - Accepted Manuscript
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Accepted/In Press date: 17 January 2018
e-pub ahead of print date: 20 February 2018
Keywords: globular clusters: individual (NGC 6256), ISM: jets and outflows, radio continuum: stars, stars: individual (IGR J16597-3704), stars: neutron, X-rays: binaries

Identifiers

Local EPrints ID: 419074
URI: http://eprints.soton.ac.uk/id/eprint/419074
ISSN: 0004-637X
PURE UUID: 93da90a8-9248-4037-8f44-cb15ad83338b
ORCID for D. Altamirano: ORCID iD orcid.org/0000-0002-3422-0074

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Date deposited: 28 Mar 2018 16:30
Last modified: 27 Jan 2020 13:46

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Contributors

Author: A.J. Tetarenko
Author: A. Bahramian
Author: R. Wijnands
Author: C.O. Heinke
Author: T.J. Maccarone
Author: J.C.A. Miller-Jones
Author: J. Strader
Author: L. Chomiuk
Author: N. Degenaar
Author: G.R. Sivakoff
Author: D. Altamirano ORCID iD
Author: A.T. Deller
Author: J.A. Kennea
Author: K.L. Li
Author: R.M. Plotkin
Author: T.D. Russell
Author: A.W. Shaw

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