Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20

R P Fender; T W B Muxlow; M A Garrett; C Kouveliotou; B M Gaensler; S T Garrington; Z Paragi; V Tudose; J C A Miller-Jones; R E Spencer; R A M Wijers; G B Taylor

Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20

R P Fender, T W B Muxlow, M A Garrett, C Kouveliotou, B M Gaensler, S T Garrington, Z Paragi, V Tudose, J C A Miller-Jones, R E Spencer, R A M Wijers, G B Taylor

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Abstract

On 2004 December 27, the magnetar SGR 1806-20 underwent an enormous outburst resulting in the formation of an expanding, moving, and fading radio source. We report observations of this radio source with the Multi-Element Radio-Linked Interferometer Network and the Very Long Baseline Array. The observations confirm the elongation and expansion already reported based on observations at lower angular resolutions, but suggest that at early epochs the structure is not consistent with the very simplest models such as a smooth flux distribution. In particular, there appears to be significant structure on small angular scales, with ~10 per cent of the radio flux arising on angular scales

Original language	English
Pages (from-to)	L6-L10
Journal	Monthly Notices of the Royal Astronomical Society
Volume	367
Publication status	Published - 2006

Keywords

pulsars: individual: SGR1806-20
ISM: jets and outflows
radio continuum: stars

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http://adsabs.harvard.edu/abs/2006MNRAS.367L...6F

Cite this

Fender, R. P., Muxlow, T. W. B., Garrett, M. A., Kouveliotou, C., Gaensler, B. M., Garrington, S. T., Paragi, Z., Tudose, V., Miller-Jones, J. C. A., Spencer, R. E., Wijers, R. A. M., & Taylor, G. B. (2006). Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20. Monthly Notices of the Royal Astronomical Society, 367, L6-L10. http://adsabs.harvard.edu/abs/2006MNRAS.367L...6F

@article{51bebc26f93940b2aae5e53f65f67167,

title = "Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20",

abstract = "On 2004 December 27, the magnetar SGR 1806-20 underwent an enormous outburst resulting in the formation of an expanding, moving, and fading radio source. We report observations of this radio source with the Multi-Element Radio-Linked Interferometer Network and the Very Long Baseline Array. The observations confirm the elongation and expansion already reported based on observations at lower angular resolutions, but suggest that at early epochs the structure is not consistent with the very simplest models such as a smooth flux distribution. In particular, there appears to be significant structure on small angular scales, with ~10 per cent of the radio flux arising on angular scales",

keywords = "pulsars: individual: SGR1806-20, ISM: jets and outflows, radio continuum: stars",

author = "Fender, {R P} and Muxlow, {T W B} and Garrett, {M A} and C Kouveliotou and Gaensler, {B M} and Garrington, {S T} and Z Paragi and V Tudose and Miller-Jones, {J C A} and Spencer, {R E} and Wijers, {R A M} and Taylor, {G B}",

year = "2006",

language = "English",

volume = "367",

pages = "L6--L10",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "1365-2966",

publisher = "Oxford University Press",

}

Fender, RP, Muxlow, TWB, Garrett, MA, Kouveliotou, C, Gaensler, BM, Garrington, ST, Paragi, Z, Tudose, V, Miller-Jones, JCA, Spencer, RE, Wijers, RAM & Taylor, GB 2006, 'Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20', Monthly Notices of the Royal Astronomical Society, vol. 367, pp. L6-L10. <http://adsabs.harvard.edu/abs/2006MNRAS.367L...6F>

TY - JOUR

T1 - Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20

AU - Fender, R P

AU - Muxlow, T W B

AU - Garrett, M A

AU - Kouveliotou, C

AU - Gaensler, B M

AU - Garrington, S T

AU - Paragi, Z

AU - Tudose, V

AU - Miller-Jones, J C A

AU - Spencer, R E

AU - Wijers, R A M

AU - Taylor, G B

PY - 2006

Y1 - 2006

N2 - On 2004 December 27, the magnetar SGR 1806-20 underwent an enormous outburst resulting in the formation of an expanding, moving, and fading radio source. We report observations of this radio source with the Multi-Element Radio-Linked Interferometer Network and the Very Long Baseline Array. The observations confirm the elongation and expansion already reported based on observations at lower angular resolutions, but suggest that at early epochs the structure is not consistent with the very simplest models such as a smooth flux distribution. In particular, there appears to be significant structure on small angular scales, with ~10 per cent of the radio flux arising on angular scales

AB - On 2004 December 27, the magnetar SGR 1806-20 underwent an enormous outburst resulting in the formation of an expanding, moving, and fading radio source. We report observations of this radio source with the Multi-Element Radio-Linked Interferometer Network and the Very Long Baseline Array. The observations confirm the elongation and expansion already reported based on observations at lower angular resolutions, but suggest that at early epochs the structure is not consistent with the very simplest models such as a smooth flux distribution. In particular, there appears to be significant structure on small angular scales, with ~10 per cent of the radio flux arising on angular scales

KW - pulsars: individual: SGR1806-20

KW - ISM: jets and outflows

KW - radio continuum: stars

M3 - Article

SN - 1365-2966

VL - 367

SP - L6-L10

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

ER -

Structure in the radio counterpart to the 2004 December 27 giant flare from SGR 1806-20

Abstract

Keywords

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