The complex gravitational lens system B1933+503

C. M. Sykes; I. W.A. Browne; N. J. Jackson; D. R. Marlow; S. Nair; P. N. Wilkinson; R. D. Blandford; J. Cohen; C. D. Fassnacht; D. Hogg; T. J. Pearson; A. C.S. Readhead; D. S. Womble; S. T. Myers; A. G. De Bruyn; M. Bremer; G. K. Miley; R. T. Schilizzi

doi:10.1046/j.1365-8711.1998.02081.x

The complex gravitational lens system B1933+503

C. M. Sykes, I. W.A. Browne, N. J. Jackson, D. R. Marlow, S. Nair, P. N. Wilkinson, R. D. Blandford, J. Cohen, C. D. Fassnacht, D. Hogg, T. J. Pearson, A. C.S. Readhead, D. S. Womble, S. T. Myers, A. G. De Bruyn, M. Bremer, G. K. Miley, R. T. Schilizzi

Research output: Contribution to journal › Article › peer-review

Abstract

We report the discovery of the most complex arcsec-scale radio gravitational lens system yet known. B1933+503 was found during the course of the CLASS survey and MERLIN and VLA radio maps reveal up to 10 components. Four of these are compact and have flat spectra; the rest are more extended and have steep spectra. The background lensed object appears to consist of a flat-spectrum core (quadruply imaged) and two compact 'lobes' symmetrically disposed relative to the core. One of the lobes is quadruply imaged while the other is doubly imaged. An HST observation of the system with the WFPC2 shows a galaxy with an axial ratio of 0.5, but none of the images of the background object is detected. A redshift of 0.755 has been measured for the lens galaxy.

Original language	English (US)
Pages (from-to)	310-314
Number of pages	5
Journal	Monthly Notices of the Royal Astronomical Society
Volume	301
Issue number	2
DOIs	https://doi.org/10.1046/j.1365-8711.1998.02081.x
State	Published - Dec 1 1998

Keywords

Galaxies: active
Galaxies: individual: B1933+503
Gravitation
Gravitational lensing
Radio continuum: galaxies

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1046/j.1365-8711.1998.02081.x

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Sykes, C. M., Browne, I. W. A., Jackson, N. J., Marlow, D. R., Nair, S., Wilkinson, P. N., Blandford, R. D., Cohen, J., Fassnacht, C. D., Hogg, D., Pearson, T. J., Readhead, A. C. S., Womble, D. S., Myers, S. T., De Bruyn, A. G., Bremer, M., Miley, G. K., & Schilizzi, R. T. (1998). The complex gravitational lens system B1933+503. Monthly Notices of the Royal Astronomical Society, 301(2), 310-314. https://doi.org/10.1046/j.1365-8711.1998.02081.x

Sykes, CM, Browne, IWA, Jackson, NJ, Marlow, DR, Nair, S, Wilkinson, PN, Blandford, RD, Cohen, J, Fassnacht, CD, Hogg, D, Pearson, TJ, Readhead, ACS, Womble, DS, Myers, ST, De Bruyn, AG, Bremer, M, Miley, GK & Schilizzi, RT 1998, 'The complex gravitational lens system B1933+503', Monthly Notices of the Royal Astronomical Society, vol. 301, no. 2, pp. 310-314. https://doi.org/10.1046/j.1365-8711.1998.02081.x

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abstract = "We report the discovery of the most complex arcsec-scale radio gravitational lens system yet known. B1933+503 was found during the course of the CLASS survey and MERLIN and VLA radio maps reveal up to 10 components. Four of these are compact and have flat spectra; the rest are more extended and have steep spectra. The background lensed object appears to consist of a flat-spectrum core (quadruply imaged) and two compact 'lobes' symmetrically disposed relative to the core. One of the lobes is quadruply imaged while the other is doubly imaged. An HST observation of the system with the WFPC2 shows a galaxy with an axial ratio of 0.5, but none of the images of the background object is detected. A redshift of 0.755 has been measured for the lens galaxy.",

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AU - Sykes, C. M.

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AU - Jackson, N. J.

AU - Marlow, D. R.

AU - Nair, S.

AU - Wilkinson, P. N.

AU - Blandford, R. D.

AU - Cohen, J.

AU - Fassnacht, C. D.

AU - Hogg, D.

AU - Pearson, T. J.

AU - Readhead, A. C.S.

AU - Womble, D. S.

AU - Myers, S. T.

AU - De Bruyn, A. G.

AU - Bremer, M.

AU - Miley, G. K.

AU - Schilizzi, R. T.

PY - 1998/12/1

Y1 - 1998/12/1

N2 - We report the discovery of the most complex arcsec-scale radio gravitational lens system yet known. B1933+503 was found during the course of the CLASS survey and MERLIN and VLA radio maps reveal up to 10 components. Four of these are compact and have flat spectra; the rest are more extended and have steep spectra. The background lensed object appears to consist of a flat-spectrum core (quadruply imaged) and two compact 'lobes' symmetrically disposed relative to the core. One of the lobes is quadruply imaged while the other is doubly imaged. An HST observation of the system with the WFPC2 shows a galaxy with an axial ratio of 0.5, but none of the images of the background object is detected. A redshift of 0.755 has been measured for the lens galaxy.

AB - We report the discovery of the most complex arcsec-scale radio gravitational lens system yet known. B1933+503 was found during the course of the CLASS survey and MERLIN and VLA radio maps reveal up to 10 components. Four of these are compact and have flat spectra; the rest are more extended and have steep spectra. The background lensed object appears to consist of a flat-spectrum core (quadruply imaged) and two compact 'lobes' symmetrically disposed relative to the core. One of the lobes is quadruply imaged while the other is doubly imaged. An HST observation of the system with the WFPC2 shows a galaxy with an axial ratio of 0.5, but none of the images of the background object is detected. A redshift of 0.755 has been measured for the lens galaxy.

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KW - Galaxies: individual: B1933+503

KW - Gravitation

KW - Gravitational lensing

KW - Radio continuum: galaxies

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The complex gravitational lens system B1933+503

Abstract

Keywords

ASJC Scopus subject areas

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