Meylan, G. and Djorgovski, S. (1989) Discovery of a Probable Gravitational Lens. In: Active Galactic Nuclei. Kluwer , Dordrecht, pp. 271-272. ISBN 9780792302568. https://resolver.caltech.edu/CaltechAUTHORS:20190807-073308925
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Abstract
We report the discovery of a new probable gravitational lens system, associated with the quasar UM 425 = 1120+019, at z = 1.465. The optical image of the system consists of 4 or more components. The two well-observed brightest components have very similar spectra. The difference of the two spectra (scaled appropriately) is consistent with a spectrum of a galaxy at z ≃ 0.6. There is a large number of faint galaxies in the field, suggestive of a lensing cluster at that redshift.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 1989 International Astronomical Union. Provided by the NASA Astrophysics Data System. | |||||||||
| DOI: | 10.1017/S007418090014104X | |||||||||
| Record Number: | CaltechAUTHORS:20190807-073308925 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190807-073308925 | |||||||||
| Official Citation: | Meylan, G., & Djorgovski, S. (1989). Discovery of a Probable Gravitational Lens. Symposium - International Astronomical Union, 134, 271-272. doi:10.1017/S007418090014104X | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 97687 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 07 Aug 2019 16:32 | |||||||||
| Last Modified: | 16 Nov 2021 17:33 |
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