Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480

J. E. McClintock; C. A. Haswell; M. R. Garcia; J. J. Drake; R. I. Hynes; H. L. Marshall; M. P. Muno; S. Chaty; P. M. Garnavich; P. J. Groot; W. H.G. Lewin; C. W. Mauche; J. M. Miller; G. G. Pooley; C. R. Shrader; S. D. Vrtilek

doi:10.1086/321449

Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480

J. E. McClintock, C. A. Haswell, M. R. Garcia, J. J. Drake, R. I. Hynes, H. L. Marshall, M. P. Muno, S. Chaty, P. M. Garnavich, P. J. Groot, W. H.G. Lewin, C. W. Mauche, J. M. Miller, G. G. Pooley, C. R. Shrader, S. D. Vrtilek

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Abstract

The X-ray nova XTE J1118 + 480 suffers minimal extinction (b = 62°) and therefore represents an outstanding opportunity for multiwavelength studies. Hynes et al. conducted the first such study, which was centered on 2000 April 8 using UKIRT, EUVE, HST, and RXTE. On 2000 April 18, the Chandra X-Ray Observatory obtained data coincident with a second set of observations using all of these same observatories. A 30 ks grating observation using Chandra yielded a spectrum with high resolution and sensitivity covering the range 0.24-7 keV. Our near-simultaneous observations cover ≈ 80% of the electromagnetic spectrum from the infrared to hard X-rays. The UV/X-ray spectrum of XTE J1118 + 480 consists of two principal components. The first of these is an ≈ 24 eV thermal component that is caused by an accretion disk with a large inner disk radius: ≳ 35R_Schw. The second is a quasi power-law component that was recorded with complete spectral coverage from 0.4 to 160 keV. A model for this two-component spectrum is presented in a companion paper by Esin et al.

Original language	English
Pages (from-to)	477-482
Number of pages	6
Journal	Astrophysical Journal
Volume	555
Issue number	1 PART 1
DOIs	https://doi.org/10.1086/321449
Publication status	Published - 1 Jul 2001
Externally published	Yes

Keywords

Accretion, accretion disks
Binaries: close
Ultraviolet : stars
X-rays: stars

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10.1086/321449

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McClintock, J. E., Haswell, C. A., Garcia, M. R., Drake, J. J., Hynes, R. I., Marshall, H. L., Muno, M. P., Chaty, S., Garnavich, P. M., Groot, P. J., Lewin, W. H. G., Mauche, C. W., Miller, J. M., Pooley, G. G., Shrader, C. R., & Vrtilek, S. D. (2001). Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480. Astrophysical Journal, 555(1 PART 1), 477-482. https://doi.org/10.1086/321449

@article{6e81753b3b304a1ab4e55f7805e5dd66,

title = "Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480",

abstract = "The X-ray nova XTE J1118 + 480 suffers minimal extinction (b = 62°) and therefore represents an outstanding opportunity for multiwavelength studies. Hynes et al. conducted the first such study, which was centered on 2000 April 8 using UKIRT, EUVE, HST, and RXTE. On 2000 April 18, the Chandra X-Ray Observatory obtained data coincident with a second set of observations using all of these same observatories. A 30 ks grating observation using Chandra yielded a spectrum with high resolution and sensitivity covering the range 0.24-7 keV. Our near-simultaneous observations cover ≈ 80\% of the electromagnetic spectrum from the infrared to hard X-rays. The UV/X-ray spectrum of XTE J1118 + 480 consists of two principal components. The first of these is an ≈ 24 eV thermal component that is caused by an accretion disk with a large inner disk radius: ≳ 35RSchw. The second is a quasi power-law component that was recorded with complete spectral coverage from 0.4 to 160 keV. A model for this two-component spectrum is presented in a companion paper by Esin et al.",

keywords = "Accretion, accretion disks, Binaries: close, Ultraviolet : stars, X-rays: stars",

author = "McClintock, \{J. E.\} and Haswell, \{C. A.\} and Garcia, \{M. R.\} and Drake, \{J. J.\} and Hynes, \{R. I.\} and Marshall, \{H. L.\} and Muno, \{M. P.\} and S. Chaty and Garnavich, \{P. M.\} and Groot, \{P. J.\} and Lewin, \{W. H.G.\} and Mauche, \{C. W.\} and Miller, \{J. M.\} and Pooley, \{G. G.\} and Shrader, \{C. R.\} and Vrtilek, \{S. D.\}",

year = "2001",

month = jul,

day = "1",

doi = "10.1086/321449",

language = "English",

volume = "555",

pages = "477--482",

journal = "Astrophysical Journal",

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McClintock, JE, Haswell, CA, Garcia, MR, Drake, JJ, Hynes, RI, Marshall, HL, Muno, MP, Chaty, S, Garnavich, PM, Groot, PJ, Lewin, WHG, Mauche, CW, Miller, JM, Pooley, GG, Shrader, CR & Vrtilek, SD 2001, 'Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480', Astrophysical Journal, vol. 555, no. 1 PART 1, pp. 477-482. https://doi.org/10.1086/321449

TY - JOUR

T1 - Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480

AU - McClintock, J. E.

AU - Haswell, C. A.

AU - Garcia, M. R.

AU - Drake, J. J.

AU - Hynes, R. I.

AU - Marshall, H. L.

AU - Muno, M. P.

AU - Chaty, S.

AU - Garnavich, P. M.

AU - Groot, P. J.

AU - Lewin, W. H.G.

AU - Mauche, C. W.

AU - Miller, J. M.

AU - Pooley, G. G.

AU - Shrader, C. R.

AU - Vrtilek, S. D.

PY - 2001/7/1

Y1 - 2001/7/1

N2 - The X-ray nova XTE J1118 + 480 suffers minimal extinction (b = 62°) and therefore represents an outstanding opportunity for multiwavelength studies. Hynes et al. conducted the first such study, which was centered on 2000 April 8 using UKIRT, EUVE, HST, and RXTE. On 2000 April 18, the Chandra X-Ray Observatory obtained data coincident with a second set of observations using all of these same observatories. A 30 ks grating observation using Chandra yielded a spectrum with high resolution and sensitivity covering the range 0.24-7 keV. Our near-simultaneous observations cover ≈ 80% of the electromagnetic spectrum from the infrared to hard X-rays. The UV/X-ray spectrum of XTE J1118 + 480 consists of two principal components. The first of these is an ≈ 24 eV thermal component that is caused by an accretion disk with a large inner disk radius: ≳ 35RSchw. The second is a quasi power-law component that was recorded with complete spectral coverage from 0.4 to 160 keV. A model for this two-component spectrum is presented in a companion paper by Esin et al.

AB - The X-ray nova XTE J1118 + 480 suffers minimal extinction (b = 62°) and therefore represents an outstanding opportunity for multiwavelength studies. Hynes et al. conducted the first such study, which was centered on 2000 April 8 using UKIRT, EUVE, HST, and RXTE. On 2000 April 18, the Chandra X-Ray Observatory obtained data coincident with a second set of observations using all of these same observatories. A 30 ks grating observation using Chandra yielded a spectrum with high resolution and sensitivity covering the range 0.24-7 keV. Our near-simultaneous observations cover ≈ 80% of the electromagnetic spectrum from the infrared to hard X-rays. The UV/X-ray spectrum of XTE J1118 + 480 consists of two principal components. The first of these is an ≈ 24 eV thermal component that is caused by an accretion disk with a large inner disk radius: ≳ 35RSchw. The second is a quasi power-law component that was recorded with complete spectral coverage from 0.4 to 160 keV. A model for this two-component spectrum is presented in a companion paper by Esin et al.

KW - Accretion, accretion disks

KW - Binaries: close

KW - Ultraviolet : stars

KW - X-rays: stars

U2 - 10.1086/321449

DO - 10.1086/321449

M3 - Article

AN - SCOPUS:0035402380

SN - 0004-637X

VL - 555

SP - 477

EP - 482

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 PART 1

ER -

Complete and simultaneous spectral observations of the black hole X-ray nova XTE J1118 + 480

Abstract

Keywords

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