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BAT AGN Spectroscopic Survey--VIII. Type 1 AGN With Massive Absorbing Columns
T. Taro Shimizu, Richard I. Davies, Michael Koss +12
We explore the relationship between X-ray absorption and optical obscuration within the BAT AGN Spectroscopic Survey (BASS) which has been collecting and analyzing the optical and…
LLAMA: Normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies
D. J. Rosario, L. Burtscher, R. I. Davies +23
Using new APEX and JCMT spectroscopy of the CO 2-1 line, we undertake a controlled study of cold molecular gas in moderately luminous Active Galactic Nuclei (AGN) and inactive gala…
LLAMA: Nuclear stellar properties of Swift BAT AGN and matched inactive galaxies
Ming-Yi Lin, R. I. Davies, E. K. S. Hicks +20
In a complete sample of local 14-195 keV selected AGNs and inactive galaxies, matched by their host galaxy properties, we study the spatially resolved stellar kinematics and lumino…
Investigating the evolution of the dual AGN system ESO~509-IG066
P. Kosec, M. Brightman, D. Stern +13
We analyze the evolution of the dual AGN in ESO 509-IG066, a galaxy pair located at z=0.034 whose nuclei are separated by 11 kpc. Previous observations with XMM-Newton on this dual…
Nuclear obscuration in active galactic nuclei
Cristina Ramos Almeida, Claudio Ricci
The material surrounding accreting supermassive black holes connects the active galactic nucleus (AGN) with its host galaxy and, besides being responsible for feeding the black hol…
Buried AGNs in Advanced Mergers:Mid-infrared color selection as a dual AGN finder
Shobita Satyapal, Nathan J. Secrest, Claudio Ricci +7
A direct consequence of hierarchical galaxy formation is the existence of dual supermassive black holes (SMBHs), which may be preferentially triggered as active galactic nuclei (AG…
The Swift/BAT AGN Spectroscopic Survey (BASS) -- VI. The Gamma_X - L/L_Edd relation
Benny Trakhtenbrot, Claudio Ricci, Michael J. Koss +11
We study the observed relation between accretion rate (in terms of L/L_Edd) and shape of the hard X-ray spectral energy distribution (namely the photon index Gamma_X) for a large s…
Unveiling the AGN in IC 883: discovery of a parsec-scale radio jet
Cristina Romero-Cañizales, Antxon Alberdi, Claudio Ricci +12
IC883 is a luminous infrared galaxy (LIRG) classified as a starburst-active galactic nucleus (AGN) composite. In a previous study we detected a low-luminosity AGN (LLAGN) radio can…
BAT AGN Spectroscopic Survey - IV: Near-Infrared Coronal Lines, Hidden Broad Lines, and Correlation with Hard X-ray Emission
Isabella Lamperti, Michael Koss, Benny Trakhtenbrot +13
We provide a comprehensive census of the near-Infrared (NIR, 0.8-2.4 m) spectroscopic properties of 102 nearby (z < 0.075) active galactic nuclei (AGN), selected in the hard X-r…