A new sample of 930 IMBH AGNs at z up to 0.57 is compiled from SDSS, with preliminary evidence of declining maximum accretion rates and Hα luminosities toward lower redshifts.
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LAMOST DR10-12 adds 11,346 quasars (5,386 new) with ZTF-recalibrated spectra and derived emission-line and black-hole mass properties to support variability and rare-object studies.
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A Sample of Active Galactic Nuclei with Intermediate-mass Black Holes Extended to $z \approx$ 0.6
A new sample of 930 IMBH AGNs at z up to 0.57 is compiled from SDSS, with preliminary evidence of declining maximum accretion rates and Hα luminosities toward lower redshifts.
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The Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) Quasar Survey: Quasar Properties from Data Release 10 to 12
LAMOST DR10-12 adds 11,346 quasars (5,386 new) with ZTF-recalibrated spectra and derived emission-line and black-hole mass properties to support variability and rare-object studies.