Determining time delay in the gravitationally lensed system QSO2237+0305
E. KoptelovaSternberg Astronomical Institute (SAI), Moscow University, Universitetskii Pr. 13, 119992 Moscow, Russia e-mail: [email protected]; [oknyan;eshim]@sai.msu.ruV. L. OknyanskijSternberg Astronomical Institute (SAI), Moscow University, Universitetskii Pr. 13, 119992 Moscow, Russia e-mail: [email protected]; [oknyan;eshim]@sai.msu.ruE. V. ShimanovskayaSternberg Astronomical Institute (SAI), Moscow University, Universitetskii Pr. 13, 119992 Moscow, Russia e-mail: [email protected]; [oknyan;eshim]@sai.msu.ru
2006en
ABI
Abstract
Aims.We considered the possibility of measuring time delays between components of the multiplied quasar QSO2237+0305 and between V and R band variations.
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Cited by 20 references