Flux variations of QSO 0957 + 561 A, B and image splitting by stars near the light path
Abstract
If the double QSO 0957 + 561 A, B is the result of gravitational lens actions by a massive galaxy, stars in its outer parts and close to the light paths may cause significant flux changes in one year. One star can split a QSO image into two to four images with angular separations of ~10-5 arc s.
- Publication:
-
Nature
- Pub Date:
- December 1979
- DOI:
- Bibcode:
- 1979Natur.282..561C
- Keywords:
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- Binary Stars;
- Gravitational Lenses;
- Optical Paths;
- Quasars;
- Radiant Flux Density;
- Point Sources;
- Star Distribution;
- Astrophysics