SIMBAD references

2026ApJ...998..312J - Astrophys. J., 998, 312 (2026/February-3)

Radio Near-infrared Imaging of Dual Active Galactic Nuclei Candidates.

JOHNSTONE M.A., YOON I., MOMJIAN E., BARCOS-MUNOZ L., EVANS A.S., EMONTS B., GLIKMAN E., KIM D.-C., KIM J.H., KIM M., LACY M., PRIVON G.C., KUNNERIATH D., NAGARAJAN-SWENSON J., TORRES-ALBA N. and GREEN K.N.

Abstract (from CDS):

We report the results of a pilot study that searched for dual active galactic nuclei (AGN) in local (z < 0.25) galaxies hosting double-peaked narrow emission lines in their optical spectra. We present high-resolution L-band (1.5 GHz or 18 cm) continuum images from the Very Long Baseline Array as well as WFC3/IR F160W images from the Hubble Space Telescope of two candidate dual AGN systems: J0948+6848 and J1223+5409. In both targets, we detected compact nonthermal radio emission that is approximately cospatial with the near-infrared AGN. Both systems host two high brightness temperature (>108 K) radio sources that indicate the presence of either a parsec-scale-separation dual AGN (dsep ∼ 90 and ∼56 pc, respectively) or a radio jet. Matched-resolution multiband radio observations are necessary to further characterize the AGN activity in these systems.

Abstract Copyright: © 2026. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Active galaxies - Active galactic nuclei - Supermassive black holes

Simbad objects: 6

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