A Subarcsecond Near-infrared View of Massive Galaxies at z &gt; 1 with Gemini Multi-conjugate Adaptive Optics

Lacy, Mark; Nyland, Kristina; Mao, Minnie; Jagannathan, P.; Pforr, Janine; Ridgway, Susan E.; Afonso, J.; Farrah, D.; Guarnieri, P.; Gonzales-Solares, E.; Jarvis, Matt J.; Maraston, Claudia; Nielsen, Danielle; Petric, Andreea; Sajina, Anna; Surace, J.; Vaccari, M.

doi:10.3847/1538-4357/aad27d

Cited by 5 publications

(5 citation statements)

References 76 publications

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“…Recent studies discovered that the farthest, most luminous, and dustiest of quasars bear the marks of gravitational interactions from tidal tails to complex nuclear structure. Glikman et al (2015), Lacy et al (2018), Urrutia et al (2008) use HST and ground base adaptive optics to image obscured AGN, separate the emission from the nucleus and the host, and find that the hosts of obscured AGN tend to be major mergers. The observations of Glikman et al (2015, 2012) are particularly telling: At the peak epoch for galaxy and BH growth, the most luminous quasars are also the most dust reddened, and they are major mergers.…”

Section: Dusty Qsosmentioning

confidence: 99%

Obscured active galactic nuclei and the need for optical to near‐infrared, massively multiplexed, spectroscopic facilities

et al. 2021

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Most bulge‐dominated galaxies host black holes (BHs) with masses that tightly correlate with the masses of their bulges. This may indicate that the BHs may regulate galaxy growth, or vice versa, or that they may grow in lock‐step. The quest to understand how, when, and where those BHs formed motivates much of extragalactic astronomy. Here we focus on a population of galaxies with active BHs in their nuclei (active galactic nuclei [AGN]), that are fully or partially hidden by dust and gas: The emission from the broad line region is either completely or partially obscured with a visual extinction of one or above. This limit, though not yet precise, appears to be the point at which the populations of AGN may evolve differently. We highlight the importance of finding and studying those dusty AGN at redshifts between one and three, the epoch when the universe may have gone through its most dramatic changes. We emphasize the need for future large multiplexed spectroscopic instruments that can perform dedicated surveys in the optical and near‐infrared to pin down the demographics of such objects, and study their reddening properties, star‐formation histories, and excitation conditions. These key studies will shed light on the role of BHs in galaxy evolution during the epoch of peak growth activity.

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Section: Dusty Qsosmentioning

confidence: 99%

Obscured active galactic nuclei and the need for optical to near‐infrared, massively multiplexed, spectroscopic facilities

et al. 2021

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“…Dusty star-forming galaxies detected in the mm/submm with positions from ALMA can often be identified with faint IRAC sources, allowing better understanding of their stellar masses and extinctions (Simpson et al 2014;Gómez-Guijarro et al 2019;Leung et al 2019;Patil et al 2019;Dudzevičiūtė et al 2020;Ocran et al 2020a, b). Other uses include obtaining constraints on stellar masses and ages of galaxies in overlapping deep spectroscopic surveys (Calabrò et al 2017;Thomas et al 2017;Khusanova et al 2020), studying cosmic background radiation (Mitchell-Wynne et al 2016) and exploiting fields suitable for deep multiconjugate adaptive optics observations of distant galaxies (Lacy et al 2018).…”

Section: Field Namementioning

confidence: 99%

A Spitzer survey of Deep Drilling Fields to be targeted by the Vera C. Rubin Observatory Legacy Survey of Space and Time

Lacy

Surace

Farrah

et al. 2020

Monthly Notices of the Royal Astronomical Society

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The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will observe several Deep Drilling Fields (DDFs) to a greater depth and with a more rapid cadence than the main survey. In this paper, we describe the “DeepDrill” survey, which used the Spitzer Space Telescope Infrared Array Camera (IRAC) to observe three of the four currently defined DDFs in two bands, centered on 3.6 μm and 4.5 μm. These observations expand the area which was covered by an earlier set of observations in these three fields by the Spitzer Extragalactic Representative Volume Survey (SERVS). The combined DeepDrill and SERVS data cover the footprints of the LSST DDFs in the Extended Chandra Deep Field–South field (ECDFS), the ELAIS-S1 field (ES1), and the XMM-Large-Scale Structure Survey field (XMM-LSS). The observations reach an approximate 5σ point-source depth of 2 μJy (corresponding to an AB magnitude of 23.1; sufficient to detect a 1011M⊙ galaxy out to z≈ 5) in each of the two bands over a total area of ≈ 29deg2. The dual-band catalogues contain a total of 2.35 million sources. In this paper we describe the observations and data products from the survey, and an overview of the properties of galaxies in the survey. We compare the source counts to predictions from the shark semi-analytic model of galaxy formation. We also identify a population of sources with extremely red ([3.6]-[4.5] >1.2) colours which we show mostly consists of highly-obscured active galactic nuclei.

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“…The most distant, luminous, and dustiest quasars show the marks of gravitational interactions from tidal tails to complex nuclear structures. Urrutia et al (2008), Glikman et al (2015) and Lacy et al (2018) find that the hosts of obscured AGNs tend to be major mergers. The observations of Glikman et al (2012Glikman et al ( , 2015 are particularly telling: at the peak epoch for galaxy, and BH growth, the most luminous quasars are also the most dust reddened and major mergers.…”

Section: Introductionmentioning

confidence: 97%

Forming stars in a dual AGN host: molecular and ionized gas in the nearby, luminous infrared merger, Mrk 266

Beaulieu

Petric

Robert

et al. 2022

Monthly Notices of the Royal Astronomical Society

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We present star formation rates based on cold and ionized gas measurements of Mrk 266 (NGC 5256), a system composed of two colliding gas-rich galaxies, each hosting an active galactic nucleus. Using 12CO (1-0) observations with the Combined Array for Research in Millimeter-Wave Astronomy (CARMA), we find a total H2 mass in the central region of 1.1 ± 0.3 × 1010 M⊙ which leads to a possible future star formation rate of 25 ± 10 M⊙ yr−1. With the Fourier Transform Spectrograph (SITELLE) on the Canada-France-Hawaii Telescope, we measure an integrated Hα luminosity and estimate a present-day star formation rate of 15 ± 2 M⊙ yr−1 in the core of the system (avoiding the two active nuclei). These results confirm that Mrk 266 is an intermediate stage merger with a relatively high recent star formation rate and enough molecular gas to sustain it for a few hundred million years. Inflowing gas associated with the merger may have triggered both the starburst episode and two AGN but the two galaxy components differ: the region around the SW nucleus appears to be more active than the NE nucleus, which seems relatively quiet. We speculate that this difference may originate in the properties of the interstellar medium in the two systems.

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A Subarcsecond Near-infrared View of Massive Galaxies at z > 1 with Gemini Multi-conjugate Adaptive Optics

Cited by 5 publications

References 76 publications

Obscured active galactic nuclei and the need for optical to near‐infrared, massively multiplexed, spectroscopic facilities

Obscured active galactic nuclei and the need for optical to near‐infrared, massively multiplexed, spectroscopic facilities

A Spitzer survey of Deep Drilling Fields to be targeted by the Vera C. Rubin Observatory Legacy Survey of Space and Time

Forming stars in a dual AGN host: molecular and ionized gas in the nearby, luminous infrared merger, Mrk 266

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