skip to main content

SciTech ConnectSciTech Connect

Title: A BLAZAR-LIKE RADIO FLARE IN MRK 231

Radio monitoring of the broad absorption line quasar (BALQSO) Mrk 231 from 13.9 GHz to 17.6 GHz detected a strong flat spectrum flare. Even though BALQSOs are typically weak radio sources, the 17.6 GHz flux density doubled in ≈150 days, from ≈135 mJy to ≈270 mJy. It is demonstrated that the elapsed rise time in the quasar rest frame and the relative magnitude of the flare is typical of some of the stronger flares in blazars that are usually associated with the ejection of discrete components on parsec scales. The decay of a similar flare was found in a previous monitoring campaign at 22 GHz. We conclude that these flares are not rare. The implication is that Mrk 231 seems to be a quasar in which the physical mechanism that produces the broad absorption line wind is in tension with the emergence of a fledgling blazar.
Authors:
;  [1] ;  [2] ;  [3]
  1. ICRAR-Curtin University, GPO Box U1987, Perth, Western Australia, 6102 (Australia)
  2. 1415 Granvia Altamira, Palos Verdes Estates, CA 90274 (United States)
  3. Laboratory for Multiwavelength Astrophysics, School of Physics and Astronomy, Rochester Institute of Technology, 54 Lomb Memorial Drive, Rochester, NY 14623 (United States)
Publication Date:
OSTI Identifier:
22215417
Resource Type:
Journal Article
Resource Relation:
Journal Name: Astrophysical Journal Letters; Journal Volume: 776; Journal Issue: 2; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ABSORPTION; ACCRETION DISKS; BLACK HOLES; FLUX DENSITY; GALAXIES; GHZ RANGE 01-100; MONITORING; PULSE RISE TIME; QUASARS; SPECTRA