Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Marlow, D R"'
Autor:
Myers, S. T., Jackson, N. J., Browne, I. W. A., de Bruyn, A. G., Pearson, T. J., Readhead, A. C. S., Wilkinson, P. N., Biggs, A. D., Blandford, R. D., Fassnacht, C. D., Koopmans, L. V. E., Marlow, D. R., McKean, J. P., Norbury, M. A., Phillips, P. M., Rusin, D., Shepherd, M. C., Sykes, C. M.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 334 (2002) 1
The Cosmic Lens All-Sky Survey (CLASS) is an international collaborative program which has obtained high-resolution radio images of over 10000 flat-spectrum radio sources in order to create the largest and best studied statistical sample of radio-lou
Externí odkaz:
http://arxiv.org/abs/astro-ph/0211073
Autor:
Browne, I. W. A., Wilkinson, P. N., Jackson, N. J. F., Myers, S. T., Fassnacht, C. D., Koopmans, L. V. E., Marlow, D. R., Norbury, M., Rusin, D., Sykes, C. M., Biggs, A. D., Blandford, R. D., de Bruyn, A. G., Chae, K-H., Helbig, P., King, L. J., McKean, J. P., Pearson, T. J., Phillips, P. M., Readhead, A. C. S., Xanthopoulos, E., York, T.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 341 (2003) 13
We report the final results of the search for gravitationally lensed flat-spectrum radio sources found in the combination of CLASS (Cosmic Lens All Sky Survey) and JVAS (Jodrell-Bank VLA Astrometric Survey). VLA observations of 16,503 sources have be
Externí odkaz:
http://arxiv.org/abs/astro-ph/0211069
Autor:
Argo, M. K., Jackson, N. J., Browne, I. W. A., York, T., McKean, J. P., Biggs, A. D., Blandford, R. D., de Bruyn, A. G., Chae, K. H., Fassnacht, C. D., Koopmans, L. V. E., Marlow, D. R., Myers, S. T., Norbury, M., Pearson, T. J., Phillips, P. M., Readhead, A. C. S., Rusin, D., Wilkinson, P. N.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 338 (2003) 957
A new two-image gravitational lens system has been discovered as a result of the Cosmic Lens All-Sky Survey (CLASS). Radio observations with the VLA, MERLIN and the VLBA at increasingly higher resolutions all show two components with a flux density r
Externí odkaz:
http://arxiv.org/abs/astro-ph/0210234
Autor:
Chae, K. -H., Biggs, A. D., Blandford, R. D., Browne, I. W. A., de Bruyn, A. G., Fassnacht, C. D., Helbig, P., Jackson, N. J., King, L. J., Koopmans, L. V. E., Mao, S., Marlow, D. R., McKean, J. P., Myers, S. T., Norbury, M., Pearson, T. J., Phillips, P. M., Readhead, A. C. S., Rusin, D., Sykes, C. M., Wilkinson, P. N., Xanthopoulos, E., York, T.
Publikováno v:
Phys.Rev.Lett. 89 (2002) 151301
We derive constraints on cosmological parameters and the properties of the lensing galaxies from gravitational lens statistics based on the final Cosmic Lens All Sky Survey (CLASS) data. For a flat universe with a classical cosmological constant, we
Externí odkaz:
http://arxiv.org/abs/astro-ph/0209602
Autor:
Rusin, D., Norbury, M., Biggs, A. D., Marlow, D. R., Jackson, N. J., Browne, I. W. A., Wilkinson, P. N., Myers, S. T.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 330 (2002) 205
We present a series of high resolution radio and optical observations of the CLASS gravitational lens system B1152+199 obtained with the Multi-Element Radio-Linked Interferometer Network (MERLIN), Very Long Baseline Array (VLBA) and Hubble Space Tele
Externí odkaz:
http://arxiv.org/abs/astro-ph/0110099
Autor:
Rusin, D., Marlow, D. R., Norbury, M., Browne, I. W. A., Jackson, N., Wilkinson, P. N., Fassnacht, C. D., Myers, S. T., Koopmans, L. V. E., Blandford, R. D., Pearson, T. J., Readhead, A. C. S., de Bruyn, A. G.
Publikováno v:
Astron.J. 122 (2001) 591
We report the discovery of a new two-image gravitational lens system from the Cosmic Lens All-Sky Survey, CLASS B2319+051. Radio imaging with the Very Large Array (VLA) and Multi-Element Radio-Linked Interferometer Network (MERLIN) shows two compact
Externí odkaz:
http://arxiv.org/abs/astro-ph/0104399
Autor:
Phillips, P. M., Norbury, M. A., Koopmans, L. V. E., Browne, I. W. A., Jackson, N. J., Wilkinson, P. N., Biggs, A. D., Blandford, R. D., de Bruyn, A. G., Fassnacht, C. D., Helbig, P., Mao, S., Marlow, D. R., Myers, S. T., Pearson, T. J., Readhead, A. C. S., Rusin, D., Xanthopoulos, E.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 319 (2000) L7
High resolution MERLIN observations of a newly-discovered four-image gravitational lens system, B0128+437, are presented. The system was found after a careful re-analysis of the entire CLASS dataset. The MERLIN observations resolve four components in
Externí odkaz:
http://arxiv.org/abs/astro-ph/0009334
Autor:
Marlow, D. R., Rusin, D., Norbury, M., Jackson, N., Browne, I. W. A., Wilkinson, P. N., Fassnacht, C. D., Myers, S. T., Koopmans, L. V. E., Blandford, R. D., Pearson, T. J., Readhead, A. C. S., de Bruyn, A. G.
Publikováno v:
Astron.J. 121 (2001) 619
We present the discovery of CLASS B0739+366, a new gravitational lens system from the Cosmic Lens All-Sky Survey. Radio imaging of the source with the Very Large Array (VLA) shows two compact components separated by $0\farcs54$, with a flux density r
Externí odkaz:
http://arxiv.org/abs/astro-ph/0008037
Autor:
Koopmans, L. V. E., de Bruyn, A. G., Fassnacht, C. D., Marlow, D. R., Rusin, D., Blandford, R. D., Browne, I. W. A., Helbig, P., Jackson, N., Myers, S. T., Pearson, T. J., Readhead, A. C. S., Wilkinson, P. N., Xanthopoulos, E., Hoekstra, H.
Publikováno v:
Astron.Astrophys. 361 (2000) 815
We present radio, optical, near-infrared and spectroscopic observations of the source B0827+525. We consider this source as the best candidate from the Cosmic Lens All-Sky Survey (CLASS) for a `dark lens' system or binary radio-loud quasar. The syste
Externí odkaz:
http://arxiv.org/abs/astro-ph/0007286
Publikováno v:
2001 AJ 119 2629
Spectroscopic observations of a sample of 42 flat-spectrum radio sources from the Cosmic Lens All-Sky Survey (CLASS) have yielded a mean redshift of $ = 1.27$ with an RMS spread of 0.95, at a completeness level of 64%. The sample consists of sourc
Externí odkaz:
http://arxiv.org/abs/astro-ph/0003089