Results 71 to 80 of about 31,838 (235)

The Origin of Line Emission in Massive z~2.3 Galaxies: Evidence for Cosmic Downsizing of AGN Host Galaxies

, 2007
Using the Gemini Near-InfraRed Spectrograph (GNIRS), we have assembled a complete sample of 20 K-selected galaxies at 2 ...
Bonnet H., Bower R. G., C. Megan Urry, Cattaneo A., Danilo Marchesini, Edward N. Taylor, Elias J. H., Eric Gawiser, Garth D. Illingworth, Gregory Rudnick, Ivo Labbe, Marijn Franx, Mariska Kriek, Natascha M. Forster Schreiber, Paolo Coppi, Paul P. van der Werf, Paulina Lira, Pieter G. van Dokkum, Ryan Quadri   +18 more
core   +1 more source

AGN Host Galaxy Morphologies in COSMOS

, 2008
We use HST/ACS images and a photometric catalog of the COSMOS field to analyze morphologies of the host galaxies of approximately 400 AGN candidates at redshifts 0.3 < z < 1.0. We compare the AGN hosts with a sample of non-active galaxies drawn from the COSMOS field to match the magnitude and redshift distribution of the AGN hosts. We perform 2-D
Gabor, J. M., Impey, C. D., Jahnke, K., Simmons, B. D., Trump, J. R., Koekemoer, A. M., Brusa, M., Cappelluti, N., Schinnerer, E., Smolčić, V., Salvato, M., Rhodes, J. D., Mobasher, B., Capak, P., Massey, R., Leauthaud, A., Scoville, N.   +16 more
openaire   +2 more sources

Shapes of galaxies hosting radio-loud AGNs with z ≤ 1

Astronomy & Astrophysics, 2022
Links between the properties of radio-loud active galactic nuclei (RLAGNs) and the morphology of their hosts may provide important clues for our understanding of how RLAGNs are triggered. In this work, focusing on passive galaxies, we study the shape of the hosts of RLAGNs selected from the Karl G.
Zheng, X., Röttgering, H.J.A., Wel, A. van der, Duncan, K.   +3 more
openaire   +3 more sources

Typical AGN at intermediate redshifts

, 2008
We study the host galaxies and black holes of typical X-ray selected AGN at intermediate redshifts (z~0.5-1.4). The AGN are selected such that their spectral energy distributions are dominated by stellar emission, i.e., they show a prominent 1.6micron ...
Almudena Alonso-Herrero, Archan S. Majumdar, Sandip K. Chakrabarti   +2 more
core   +1 more source

Decreased specific star formation rates in AGN host galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2015
ISSN:0035 ...
Shimizu T. Taro, Mushotzky Richard F., Meléndez Marcio, Koss Michael, Rosario David J.   +4 more
openaire   +5 more sources

Obscured AGN at z < 1.5: X-Ray to Far-infrared SEDs and Host Galaxy Morphologies in the GOODS Fields

The Astrophysical Journal
We present an analysis of spectral energy distributions (SEDs), galaxy light profiles, and visual morphological classifications for 194 X-ray luminous active galactic nuclei (AGN) (intrinsic absorption-corrected $\mathrm{log}({L}_{{\rm{X}},0.5-7\,{\rm ...
William W.H. Jarvis, Connor Auge, David Sanders, Xuheng Ding, Jeana Kim-Bolt, C. Megan Urry, Eric Hooper, Alessandro Peca, Aritra Ghosh, Chuan Tian, Tonima T. Ananna, Md Mahmudunnobe   +11 more
doaj   +1 more source

Black holes in the low-mass galaxy regime

Astronomy & Astrophysics
Context. Active galactic nuclei (AGNs) have been observed in dwarf galaxies, yet the impact of black hole feedback in these low-mass systems remains unclear. Aims.
Flores-Freitas R., Wylezalek D., Trevisan M., Albán M., Riffel R. A., Bertemes C., Schnorr-Müller A., Riffel R., Dall’Agnol de Oliveira B., Kukreti P.   +9 more
doaj   +1 more source

Agn & Host Galaxy Scaling Relations

, 2018
IBISCO is a new multi-dimensional study of AGN scaling relations in a complete unbiased sample of local AGN, carried-on with IRAM, ALMA and INTEGRAL. For the first time we have included the information on the molecular gas reservoirs into the scaling relations between AGN and host galaxy properties.
Feruglio, Chiara, D'Odorico, V., Fiore, F., Cristiani, S., Pallottini, A., Gallerani, S., Ferrara, A., Carniani, S., Piconcelli, E., Bischetti, M., Malizia, A., Molina, M., Marconi, A., Maiolino, R., Et Al.   +14 more
openaire   +1 more source

UNCOVER: Candidate Red Active Galactic Nuclei at 3 < z < 7 with JWST and ALMA

The Astrophysical Journal
The James Webb Space Telescope (JWST) is revolutionizing our knowledge of z > 5 galaxies and their actively accreting black holes. Using the JWST Cycle 1 Treasury program Ultradeep NIRSpec and NIRCam Observations before the Epoch of Reionization (UNCOVER)
Ivo Labbe, Jenny E. Greene, Rachel Bezanson, Seiji Fujimoto, Lukas J. Furtak, Andy D. Goulding, Jorryt Matthee, Rohan P. Naidu, Pascal A. Oesch, Hakim Atek, Gabriel Brammer, Iryna Chemerynska, Dan Coe, Sam E. Cutler, Pratika Dayal, Robert Feldmann, Marijn Franx, Karl Glazebrook, Joel Leja, Michael Maseda, Danilo Marchesini, Themiya Nanayakkara, Erica J. Nelson, Richard Pan, Casey Papovich, Sedona H. Price, Katherine A. Suess, Bingjie Wang, John R. Weaver, Katherine E. Whitaker, Christina C. Williams, Adi Zitrin   +31 more
doaj   +1 more source

CEERS Key Paper. II. A First Look at the Resolved Host Properties of AGN at 3 < z < 5 with JWST

The Astrophysical Journal Letters, 2023
We report on the host properties of five X-ray-luminous active galactic nuclei (AGN) identified at 3 < z < 5 in the first epoch of imaging from the Cosmic Evolution Early Release Science Survey.
Dale D. Kocevski, Guillermo Barro, Elizabeth J. McGrath, Steven L. Finkelstein, Micaela B. Bagley, Henry C. Ferguson, Shardha Jogee, Guang Yang, Mark Dickinson, Nimish P. Hathi, Bren E. Backhaus, Eric F. Bell, Laura Bisigello, Véronique Buat, Denis Burgarella, Caitlin M. Casey, Nikko J. Cleri, M. C. Cooper, Luca Costantin, Darren Croton, Emanuele Daddi, Adriano Fontana, Seiji Fujimoto, Jonathan P. Gardner, Eric Gawiser, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Yuchen Guo, Pablo Arrabal Haro, Michaela Hirschmann, Benne W. Holwerda, Marc Huertas-Company, Taylor A. Hutchison, Kartheik G. Iyer, Brenda Jones, Stéphanie Juneau, Jeyhan S. Kartaltepe, Lisa J. Kewley, Allison Kirkpatrick, Anton M. Koekemoer, Peter Kurczynski, Aurélien Le Bail, Arianna S. Long, Jennifer M. Lotz, Ray A. Lucas, Casey Papovich, Laura Pentericci, Pablo G. Pérez-González, Nor Pirzkal, Marc Rafelski, Swara Ravindranath, Rachel S. Somerville, Amber N. Straughn, Sandro Tacchella, Jonathan R. Trump, Stephen M. Wilkins, Stijn Wuyts, L. Y. Aaron Yung, Jorge A. Zavala   +59 more
doaj   +1 more source