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VLBI Observations of the double QSO, 0957 + 561 A, B

Authors :
Ian Browne
D. Walsh
Peter N. Wilkinson
R. S. Booth
R. W. Porcas
Source :
Nature. 282:385-386
Publication Year :
1979
Publisher :
Springer Science and Business Media LLC, 1979.

Abstract

Walsh et al.1 originally suggested that the double QSO 0957 + 561 A, B might be images of the same object formed by a gravitational lens because of their remarkably similar optical spectra. Additional optical spectral data2 strengthen the evidence for a gravitational lens. Radio data at 5 GHz have shown a complex structure3,4. There are compact (

Subjects

Subjects :
QSOS
Physics
Multidisciplinary
Gravitational lens
Binary star
Very-long-baseline interferometry
Flux
Astronomy
Quasar
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
Weak gravitational lensing
Radio astronomy

Details

ISSN :
14764687 and 00280836
Volume :
282
Database :
OpenAIRE
Journal :
Nature
Accession number :
edsair.doi...........af94351ca5f90ba522b63861fae61eb1
Full Text :
https://doi.org/10.1038/282385a0
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