Open AccessThe focusing equation, caustics and the condition for multiple imaging by thick gravitational lenses
Author(s) -
Τ. Padmanabhan,
Kandaswamy Subramanian
Publication year - 1988
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-8711
pISSN - 0035-8711
DOI - 10.1093/mnras/233.2.265
Subject(s) - physics , gravitational lens , lens (geology) , conjugate points , thin lens , geodesic , observer (physics) , optics , gravitation , simple lens
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