Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347

B. O'Connor; E. Göǧüş; D. Huppenkothen; C. Kouveliotou; N. Gorgone; L. J. Townsend; A. Calamida; A. Fruchter; D. A.H. Buckley; M. G. Baring; J. A. Kennea; G. Younes; Z. Arzoumanian; E. Bellm; S. B. Cenko; K. Gendreau; J. Granot; C. Hailey; F. Harrison; D. Hartmann; L. Kaper; A. Kutyrev; P. O. Slane; D. Stern; E. Troja; A. J. Van Der Horst; R. A.M.J. Wijers; P. Woudt

doi:10.3847/1538-4357/ac5032

Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347

B. O'Connor, E. Göǧüş, D. Huppenkothen, C. Kouveliotou, N. Gorgone, L. J. Townsend, A. Calamida, A. Fruchter, D. A.H. Buckley, M. G. Baring, J. A. Kennea, G. Younes, Z. Arzoumanian, E. Bellm, S. B. Cenko, K. Gendreau, J. Granot, C. Hailey, F. Harrison, D. HartmannL. Kaper, A. Kutyrev, P. O. Slane, D. Stern, E. Troja, A. J. Van Der Horst, R. A.M.J. Wijers, P. Woudt

Astronomy & Astrophysics

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Abstract

We report on observations of the candidate Be/X-ray binary (BeXRB) IGR J18219-1347 with the Swift/X-ray Telescope, the Nuclear Spectroscopic Telescope ARray, and the Neutron Star Interior Composition Explorer during Type-I outbursts in 2020 March and June. Our timing analysis revealed the spin period of a neutron star with P spin = 52.46 s. This periodicity, combined with the known orbital period of 72.4 days, indicates that the system is a BeXRB. Furthermore, by comparing the spectral energy distribution of the infrared counterpart to that of known BeXRBs, we confirm this classification and set a distance of approximately 10-15 kpc for the source. The broadband X-ray spectrum (1.5-50 keV) of the source is described by an absorbed power law with a photon index Γ ∼0.5 and a cutoff energy at ∼13 keV.

Original language	English (US)
Article number	139
Journal	Astrophysical Journal
Volume	927
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ac5032
State	Published - Mar 1 2022

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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O'Connor, B., Göǧüş, E., Huppenkothen, D., Kouveliotou, C., Gorgone, N., Townsend, L. J., Calamida, A., Fruchter, A., Buckley, D. A. H., Baring, M. G., Kennea, J. A., Younes, G., Arzoumanian, Z., Bellm, E., Cenko, S. B., Gendreau, K., Granot, J., Hailey, C., Harrison, F., ... Woudt, P. (2022). Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347. Astrophysical Journal, 927(2), Article 139. https://doi.org/10.3847/1538-4357/ac5032

@article{0ee109581f0a44a38e39440bc89842ed,

title = "Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347",

abstract = "We report on observations of the candidate Be/X-ray binary (BeXRB) IGR J18219-1347 with the Swift/X-ray Telescope, the Nuclear Spectroscopic Telescope ARray, and the Neutron Star Interior Composition Explorer during Type-I outbursts in 2020 March and June. Our timing analysis revealed the spin period of a neutron star with P spin = 52.46 s. This periodicity, combined with the known orbital period of 72.4 days, indicates that the system is a BeXRB. Furthermore, by comparing the spectral energy distribution of the infrared counterpart to that of known BeXRBs, we confirm this classification and set a distance of approximately 10-15 kpc for the source. The broadband X-ray spectrum (1.5-50 keV) of the source is described by an absorbed power law with a photon index Γ ∼0.5 and a cutoff energy at ∼13 keV.",

author = "B. O'Connor and E. G{\"o}ǧ{\"u}{\c s} and D. Huppenkothen and C. Kouveliotou and N. Gorgone and Townsend, {L. J.} and A. Calamida and A. Fruchter and Buckley, {D. A.H.} and Baring, {M. G.} and Kennea, {J. A.} and G. Younes and Z. Arzoumanian and E. Bellm and Cenko, {S. B.} and K. Gendreau and J. Granot and C. Hailey and F. Harrison and D. Hartmann and L. Kaper and A. Kutyrev and Slane, {P. O.} and D. Stern and E. Troja and {Van Der Horst}, {A. J.} and Wijers, {R. A.M.J.} and P. Woudt",

note = "Publisher Copyright: {\textcopyright} 2022. The Author(s). Published by the American Astronomical Society.",

year = "2022",

month = mar,

day = "1",

doi = "10.3847/1538-4357/ac5032",

language = "English (US)",

volume = "927",

journal = "Astrophysical Journal",

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O'Connor, B, Göǧüş, E, Huppenkothen, D, Kouveliotou, C, Gorgone, N, Townsend, LJ, Calamida, A, Fruchter, A, Buckley, DAH, Baring, MG, Kennea, JA, Younes, G, Arzoumanian, Z, Bellm, E, Cenko, SB, Gendreau, K, Granot, J, Hailey, C, Harrison, F, Hartmann, D, Kaper, L, Kutyrev, A, Slane, PO, Stern, D, Troja, E, Van Der Horst, AJ, Wijers, RAMJ & Woudt, P 2022, 'Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347', Astrophysical Journal, vol. 927, no. 2, 139. https://doi.org/10.3847/1538-4357/ac5032

TY - JOUR

T1 - Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347

AU - O'Connor, B.

AU - Göǧüş, E.

AU - Huppenkothen, D.

AU - Kouveliotou, C.

AU - Gorgone, N.

AU - Townsend, L. J.

AU - Calamida, A.

AU - Fruchter, A.

AU - Buckley, D. A.H.

AU - Baring, M. G.

AU - Kennea, J. A.

AU - Younes, G.

AU - Arzoumanian, Z.

AU - Bellm, E.

AU - Cenko, S. B.

AU - Gendreau, K.

AU - Granot, J.

AU - Hailey, C.

AU - Harrison, F.

AU - Hartmann, D.

AU - Kaper, L.

AU - Kutyrev, A.

AU - Slane, P. O.

AU - Stern, D.

AU - Troja, E.

AU - Van Der Horst, A. J.

AU - Wijers, R. A.M.J.

AU - Woudt, P.

PY - 2022/3/1

Y1 - 2022/3/1

N2 - We report on observations of the candidate Be/X-ray binary (BeXRB) IGR J18219-1347 with the Swift/X-ray Telescope, the Nuclear Spectroscopic Telescope ARray, and the Neutron Star Interior Composition Explorer during Type-I outbursts in 2020 March and June. Our timing analysis revealed the spin period of a neutron star with P spin = 52.46 s. This periodicity, combined with the known orbital period of 72.4 days, indicates that the system is a BeXRB. Furthermore, by comparing the spectral energy distribution of the infrared counterpart to that of known BeXRBs, we confirm this classification and set a distance of approximately 10-15 kpc for the source. The broadband X-ray spectrum (1.5-50 keV) of the source is described by an absorbed power law with a photon index Γ ∼0.5 and a cutoff energy at ∼13 keV.

AB - We report on observations of the candidate Be/X-ray binary (BeXRB) IGR J18219-1347 with the Swift/X-ray Telescope, the Nuclear Spectroscopic Telescope ARray, and the Neutron Star Interior Composition Explorer during Type-I outbursts in 2020 March and June. Our timing analysis revealed the spin period of a neutron star with P spin = 52.46 s. This periodicity, combined with the known orbital period of 72.4 days, indicates that the system is a BeXRB. Furthermore, by comparing the spectral energy distribution of the infrared counterpart to that of known BeXRBs, we confirm this classification and set a distance of approximately 10-15 kpc for the source. The broadband X-ray spectrum (1.5-50 keV) of the source is described by an absorbed power law with a photon index Γ ∼0.5 and a cutoff energy at ∼13 keV.

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UR - http://www.scopus.com/inward/citedby.url?scp=85126595450&partnerID=8YFLogxK

U2 - 10.3847/1538-4357/ac5032

DO - 10.3847/1538-4357/ac5032

M3 - Article

AN - SCOPUS:85126595450

SN - 0004-637X

VL - 927

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 139

ER -

Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347

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