Dictionary of Nomenclature of Celestial Objects

source
N: 2+2+6+9
Object:Grav. lens system + QSO + Grav. lensed image of a QSO + Grav. lens + Reference *
  (SIMBAD class: Unknown = Object of Unknown Nature)
Note:N=2 gravitationally lens systems of N=2 background quasars, N=3 gravitational lenses, N=4+5 gravitationally lensed images of the quasars, and N=2 reference stars.
Magellan Baade telescope IMACS spectroscopy of one of the systems.
Use of 2MASS, PanSTARRS data release 1, VISTA Hemisphere Survey (VHS).
Ref:=2018MNRAS.476..927L
byLUCEY J.R. , SCHECHTER P.L., SMITH R.J., ANGUITA T.
 Mon. Not. R. Astron. Soc., 476, 927-932 (2018)
  Serendipitous discovery of quadruply imaged quasars: two diamonds.
oFig. 1, Tables 1-2: <[LSS2018] 2M JHHMM+DDMM> N=2, <[LSS2018] 2M JHHMM+DDMM source> N=2, <[LSS2018] 2M JHHMM+DDMM AN> N=6+9.

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