Search Results - "Coldwell, Georgina V."
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AGNs in small galaxy systems: comparing the main properties of active objects in pairs, triplets, and groups
Published in Monthly notices of the Royal Astronomical Society (01-07-2021)“…ABSTRACT We perform a comparative study of active galactic nuclei (AGNs) in pairs, triplets, and groups. To this end, we use the Duplancic et al. catalogue of…”
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The global environment of small galaxy systems
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT The main goal of this work is to investigate the influence of environment at different scales on the properties of galaxies in systems with a low…”
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On the nature of small galaxy systems
Published in Monthly notices of the Royal Astronomical Society (01-12-2018)Get full text
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LINER galaxy properties and the local environment
Published in Monthly notices of the Royal Astronomical Society (11-05-2018)“…Abstract We analyse the properties of a sample of 5560 low-ionization nuclear emission-line region (LINER) galaxies selected from SDSS-DR12 at low red shift,…”
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On the relation between Seyfert 2 accretion rate and environment at z > 0.1
Published in Monthly notices of the Royal Astronomical Society (11-01-2014)“…We analyse different properties of the small-scale environment of Seyfert 2 for two samples selected according to the accretion rate parameter , , from the…”
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Ultra Deep Catalogue of Galaxy Structures in the Cosmic Evolution Survey field
Published in Monthly notices of the Royal Astronomical Society (01-07-2012)“…This paper presents a large sample of intermediate- to high-redshift galaxy groups and clusters detected using a fully automated search in the Cosmic Evolution…”
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Properties of galaxies in Sloan Digital Sky Survey quasar environments at z < 0.2
Published in Monthly notices of the Royal Astronomical Society (11-09-2006)“…We analyse the environment of low redshift, z < 0.2, Sloan Digital Sky Survey (SDSS) quasars using the spectral and photometric information of galaxies from…”
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Dichotomy in host environments and signs of recycled active galactic nuclei
Published in Monthly notices of the Royal Astronomical Society (11-10-2009)“…We analyse the relation between active galactic nuclei (AGN) host properties and large-scale environment for a representative red and blue AGN host galaxy…”
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Triplets of quasars as lighthouses of rich galaxy clusters
Published in Monthly notices of the Royal Astronomical Society. Letters (01-05-2008)“…In this Letter, we investigate the very large-scale environments of cluster-scale triplets of type 1 Seyfert galaxies, lower luminosity counterparts of…”
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Triplets of quasars at high redshift – I. Photometric data
Published in Monthly notices of the Royal Astronomical Society (21-04-2008)“…We have conducted an optical and infrared imaging in the neighbourhoods of four triplets of quasars. R, z′, J and Ks images were obtained with MOSAIC II and…”
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Occurrence of LINER galaxies within the galaxy group environment
Published in Monthly notices of the Royal Astronomical Society (01-06-2017)“…Abstract We study the properties of a sample of 3967 low-ionization nuclear emission-line region (LINER) galaxies selected from SDSS-DR7, with respect to their…”
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Properties of galaxies in Sloan Digital Sky Survey quasar environments at z < 0.2
Published in Monthly notices of the Royal Astronomical Society (11-09-2006)Get full text
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Dichotomy in host environments and signs of recycled active galactic nuclei
Published in Monthly notices of the Royal Astronomical Society (11-10-2009)Get full text
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Triplets of quasars at high redshift - I. Photometric data
Published in Monthly notices of the Royal Astronomical Society (21-04-2008)Get full text
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Star formation in quasar and active galaxy environments
Published in Monthly notices of the Royal Astronomical Society (01-09-2003)Get full text
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AGNs in Small Galaxy Systems: comparing the main properties of active objects in pairs, triplets and groups
Published 02-07-2021“…We perform a comparative study of AGNs in pairs, triplets and groups. To this end we use the Duplancic et al. catalogue of small galaxy systems and consider…”
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Triplets of quasars as lighthouses of rich galaxy clusters
Published in Monthly notices of the Royal Astronomical Society. Letters (01-05-2008)Get full text
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Star formation in quasar and active galaxy environments
Published in Monthly notices of the Royal Astronomical Society (01-09-2003)“…We use the 2dF public 100 K data release of galaxies and samples of quasars and active galaxies taken from the Véron-Cetty and Véron catalogue to study the…”
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The environment of active objects in the nearby Universe
Published in Monthly notices of the Royal Astronomical Society (01-10-2002)Get full text
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