Physical association and periodicity in quasar families with SDSS and 2MRS
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DOI: 10.1007/s10509-018-3355-5
Abstract: We have used the Sloan Digital Sky Survey (SDSS) data release 7 (DR7) and the 2MASS (Two Micron All Sky Survey) Redshift Survey (2MRS) Ks≤11.75mag$K_{s} \le11.75~\mbox{mag}$ data release to test for physical association of candidate… read more here.
Keywords: physical association; quasar; survey; periodicity quasar ... See more keywords