On the Possibility of Determining the Distances and Masses of Stars from the Gravitational Lens Effect
Open Access
- 1 December 1966
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 134 (3) , 315-319
- https://doi.org/10.1093/mnras/134.3.315
Abstract
It is shown that the distance and the mass of a star which acts as a gravitational lens can be determined if the lens effect can be observed from the Earth and from at least one distant space observatory. The distance from the Earth to the space observatory will usually have to be of the order of 5% of one astronomical unit or more.Keywords
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