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Strong CaiiAbsorption Lines in the Reddened Quasar SDSS J2339-0912: Evidence of the Collision/Merger in the Host Galaxy?
2005
Astrophysical Journal
We report the detection of strong CaII/MgII absorption lines at the quasar redshift in the narrow line quasar SDSS J2339-0912 (z=0.6604). The quasar exhibits strong FeII, small Balmer emission line width and a very red B-Ks color. Both the optical continuum and broad emission lines are reddened by SMC-like dust of E(B-V) 1.0 mag, while its near-infrared color (J-Ks=1.60) shows little reddening. The CaII absorption lines are saturated and resolved with an FWHM of 362 km/s and an equivalent width
doi:10.1086/429664
fatcat:ebbaojwd7bf7jp4jry7zo4hn4i