New test of the cosmological nature of QSO redshifts

Abstract

In spite of extensive observations the nature of the redshift of a quasistellar object (QSO) remains a controversial issue. The redshift-magnitude relation, QSO-galaxy associations, time variability faster than light motion and several other criteria are being used to argue in favour of or against the cosmological nature of the QSO redshift. It is therefore desirable not only to improve the statistics of the existing data but also to think of new tests to clarify this important issue. Recent improvements in the spectrophotometry of QSOs enable us to propose a potential test of the cosmological hypothesis in the following manner.