Zobrazeno 1 - 10
of 20
pro vyhledávání: '"I. W. A. Browne"'
Autor:
A. D. Biggs, D. Rusin, I. W. A. Browne, A. G. De Bruyn, N. J. Jackson, L. V. E. Koopmans, J. P. McKean, S. T. Myers, R. D. Blandford, K.- H. Chae, C. D. Fassnacht, M. A. Norbury, T. J. Pearson, P. M. Phillips, A. C. S. Readhead, P. N. Wilkinson
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 338(4), 1084-1088. Oxford University Press
We report the discovery of a new gravitational lens system from the CLASS survey. Radio observations with the VLA, the WSRT and MERLIN show that the radio source B0850+054 is comprised of two compact components with identical spectra, a separation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21eba7cd4e71745a2d68bf197354a792
https://doi.org/10.1046/j.1365-8711.2003.06159.x
https://doi.org/10.1046/j.1365-8711.2003.06159.x
Autor:
I. W. A. Browne, N. Jackson
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 250:414-421
A large set of spectra of low-redshift, radio-loud quasars at low resolution (20-25 A) is presented. The spectral range covers most of the important optical spectral lines, ranging from Hα 6562 A in some objects to [Ne v] 3426 A in others. The sampl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb596d24ac13c7f95b424f0896c95c56
https://doi.org/10.1093/mnras/250.2.414
https://doi.org/10.1093/mnras/250.2.414
Autor:
I. W. A. Browne
Publikováno v:
BL Lac Objects ISBN: 3540513892
There is now considerable evidence that bulk relativistic motion is common in the nuclei of radio-loud active galactic nuclei. Progress in relativistic beaming unified models during the last ten years is reviewed. It is suggested that classical BL La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6a77180b51c8df67c6ff0f985aff263
https://doi.org/10.1007/bfb0031188
https://doi.org/10.1007/bfb0031188
Autor:
I. W. A. Browne
Publikováno v:
The Role of VLBI in Astrophysics, Astrometry and Geodesy ISBN: 9781402018756
The term Blazar is in some ways too specific giving the (possibly mistaken) impression that there exists a single well-defined class of ”blazars” all having the same overall properties. In other ways it is too restrictive, leading to the exclusio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::facdbcb85246cbfc671e14fd384b071f
https://doi.org/10.1007/1-4020-2406-1_4
https://doi.org/10.1007/1-4020-2406-1_4
Autor:
I. W. A. Browne
Publikováno v:
The Role of VLBI in Astrophysics, Astrometry and Geodesy ISBN: 9781402018756
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14449f66cd91e1ea73d0e146ba1f3e35
https://doi.org/10.1007/1-4020-2406-1_12
https://doi.org/10.1007/1-4020-2406-1_12
Autor:
I. W. A. Browne
Publikováno v:
The Role of VLBI in Astrophysics, Astrometry and Geodesy ISBN: 9781402018756
Historically radio observations have been pivotal in the development of unified models. My feeling is that there are exiting possibilities for wider unification, particularly in the area of the relationship between non-thermal SEDs, the AGN fuelling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6a6cb8b51f666961a810d9419a35d19
https://doi.org/10.1007/1-4020-2406-1_10
https://doi.org/10.1007/1-4020-2406-1_10
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 318(1), 73-76. Oxford University Press
The complex ten-component gravitational lens system B1933+503 has been monitored with the VLA during the period February to June 1998 with a view to measuring the time delay between the four compact components and hence to determine the Hubble parame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e10de17090381d7d83b9bcdefcae1bd
https://research.rug.nl/en/publications/8df9485c-763a-4499-b849-343b1d6451f5
https://research.rug.nl/en/publications/8df9485c-763a-4499-b849-343b1d6451f5
Autor:
I. W. A. Browne, S. T. Myers
Publikováno v:
Symposium - International Astronomical Union. 201:443-444
To exploit gravitational lensing for cosmology large, reliable and statistically complete surveys are required. With the Cosmic Lens All-Sky Survey (CLASS) we have set out to achieve these goals. We pre-select targets to be flat spectrum radio source
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6552dc7fefa831f6bb067c602348dacf
https://doi.org/10.1017/s0074180900216586
https://doi.org/10.1017/s0074180900216586
Publikováno v:
Symposium - International Astronomical Union. 201:492-493
Gravitational lenses typically consist of either two or four images (doubles and quads) of the background source. However, it has been shown that gravitational lensing by transparent extended matter distributions should produce an odd number of image
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92f82fe0110872bcd9c1d2f1d9661091
https://doi.org/10.1017/s0074180900216823
https://doi.org/10.1017/s0074180900216823
Autor:
M. J. M. Marchã, I. W. A. Browne
Publikováno v:
Multi-Wavelength Continuum Emission of AGN ISBN: 9780792327455
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::293411b3dc87748a76e809457f2c0675
https://doi.org/10.1007/978-94-010-9537-2_211
https://doi.org/10.1007/978-94-010-9537-2_211