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Issue A&A
Volume 396, Number 2, December III 2002
Page(s) 393 - 396
Section Cosmology
DOI http://dx.doi.org/10.1051/0004-6361:20021356



A&A 396, 393-396 (2002)
DOI: 10.1051/0004-6361:20021356

Gravitational lensing by spherically symmetric lenses with angular momentum

M. Sereno1 and V. F. Cardone2

1  Dipartimento di Scienze Fisiche, Università degli Studi di Napoli "Federico II", and Istituto Nazionale di Fisica Nucleare, Sez. Napoli, via Cinthia, Compl. Univ. Monte S. Angelo, 80126 Napoli, Italia
2  Dipartimento di Fisica "E.R. Caianiello", Università di Salerno, and Istituto Nazionale di Fisica Nucleare, sez. Napoli, gr. Salerno, via S. Allende, 84081 Baronissi (Salerno), Italia

(Received 31 July 2002 / Accepted 11 August 2002 )

Abstract
Following Sereno (2002a), we discuss the bending of light rays by spherically symmetric lenses with angular momentum. For several astrophysical systems, such as white dwarfs and galaxies, gravitomagnetism induces a correction on the deflection angle as large as 0.1 %.


Key words: astrometry -- stars: rotation -- cosmology: theory -- cosmology: gravitational lensing

Offprint request: M. Sereno, sereno@na.infn.it




© ESO 2002


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