823 citations
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8 papers · 2 filters
Infrared Selection of Obscured Active Galactic Nuclei in the COSMOS Field
Yu-Yen Chang, Emeric Le Floc'h, Stéphanie Juneau +13
We present a study of the connection between black hole accretion, star formation, and galaxy morphology at z<=2.5. We focus on active galactic nuclei (AGNs) selected by their mid-…
AGN Populations in Large Volume X-ray Surveys: Photometric Redshifts and Population Types found in the Stripe 82X Survey
Tonima Tasnim Ananna, Mara Salvato, Stephanie LaMassa +16
Multi-wavelength surveys covering large sky volumes are necessary to obtain an accurate census of rare objects such as high luminosity and/or high redshift active galactic nuclei (…
Near Infrared Variability of obscured and unobscured X-ray selected AGN in the COSMOS field
P. Sánchez, P. Lira, R. Cartier +9
We present our statistical study of near infrared (NIR) variability of X-ray selected Active Galactic Nuclei (AGN) in the COSMOS field, using UltraVISTA data. This is the largest s…
Chandra and NuSTAR follow-up observations of Swift-BAT selected AGN
Stefano Marchesi, Luke Tremblay, Marco Ajello +5
Based on current models of the Cosmic X-ray Background (CXB), heavily obscured Active Galactic Nuclei (AGN) are expected to make up ~10% of the peak emission of the CXB and ~20% of…
An ALMA survey of submillimeter galaxies in the COSMOS field: Multiwavelength counterparts and redshift distribution
Drew Brisbin, Oskari Miettinen, Manuel Aravena +28
We carried out targeted ALMA observations of 129 fields in the COSMOS region at 1.25 mm, detecting 152 galaxies at S/N5 with an average continuum RMS of 150 Jy. These fiel…
The Hunt for Red Quasars: Luminous Obscured Black Hole Growth Unveiled in the Stripe 82 X-ray Survey
Stephanie M. LaMassa, Eilat Glikman, Marcella Brusa +18
We present results of a ground-based near-infrared campaign with Palomar TripleSpec, Keck NIRSPEC, and Gemini GNIRS to target two samples of reddened active galactic nucleus (AGN)…