Related papers: Self-Consistent JWST Census of Star Formation and …

Faint high-redshift AGN in the Chandra Deep Field South: the evolution of the AGN luminosity function and black hole demography

We present detection and analysis of faint X-ray sources in the Chandra deep field south (CDFS) using the 4 Msec Chandra observation and adopting a new detection algorithm, based on a targeted search at the position of known high-z…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 F. Fiore , S. Puccetti , A. Grazian , N. Menci , F. Shankar , P. Santini , E. Piconcelli , A. M. Koekemoer , A. Fontana , K. Boutsia , M. Castellano , A. Lamastra , C. Malacaria , C. Feruglio , S. Mathur , N. Miller , M. Pannella

Star Formation in Active Galaxies: A Spectroscopic Perspective

I review the relationship between star formation and black hole building, based on spectroscopic observations of the stellar population in active galactic nuclei (AGNs) and their host galaxies. My emphasis is on large, well-defined local…

Astrophysics · Physics 2007-05-23 Timothy M. Heckman

Seven wonders of Cosmic Dawn: JWST confirms a high abundance of galaxies and AGNs at z $\simeq$ 9-11 in the GLASS field

We present JWST/NIRSpec PRISM follow-up of candidate galaxies at z=9-11 selected from deep JWST/NIRCam photometry in GLASS-JWST Early Release Science data. We spectroscopically confirm six sources with secure redshifts at z = 9.52-10.43,…

Astrophysics of Galaxies · Physics 2025-01-08 L. Napolitano , M. Castellano , L. Pentericci , P. Arrabal Haro , A. Fontana , T. Treu , P. Bergamini , A. Calabro , S. Mascia , T. Morishita , G. Roberts-Borsani , P. Santini , E. Vanzella , B. Vulcani , D. Zakharova , T. Bakx , M. Dickinson , C. Grillo , N. Leethochawalit , M. Llerena , E. Merlin , D. Paris , S. Rojas-Ruiz , P. Rosati , X. Wang , I. Yoon , J. Zavala

Global Star Formation Rate Density over 0.7<z<1.9

We determine the global star formation rate density at 0.7<z<1.9 using emission-line selected galaxies identified in Hubble Space Telescope Near Infrared Camera and Multi-Object Spectrograph (HST-NICMOS) grism spectroscopy observations.…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 Hyunjin Shim , James Colbert , Harry Teplitz , Alaina Henry , Mattew Malkan , Patrick McCarthy , Lin Yan

The Properties of Radio and Mid-infrared Detected Galaxies and the Effect of Environment on the Co-evolution of AGN and Star Formation at $z \sim 1$

In this study we investigate 179 radio-IR galaxies drawn from a sample of spectroscopically-confirmed galaxies that are detected in radio and mid-infrared (MIR) in the redshift range of $0.55 \leq z \leq 1.30$ in the Observations of…

Astrophysics of Galaxies · Physics 2020-04-22 Lu Shen , Brian C. Lemaux , Lori M. Lubin , John McKean , Neal A. Miller , Debora Pelliccia , Christopher D. Fassnacht , Adam Tomczak , Po-Feng Wu , Dale Kocevski , Roy Gal , Denise Hung , Gordon Squires

Little Red Dots: an abundant population of faint AGN at z~5 revealed by the EIGER and FRESCO JWST surveys

Characterising the prevalence and properties of faint active galactic nuclei (AGN) in the early Universe is key for understanding the formation of supermassive black holes (SMBHs) and determining their role in cosmic reionization. We…

Astrophysics of Galaxies · Physics 2024-02-02 Jorryt Matthee , Rohan P. Naidu , Gabriel Brammer , John Chisholm , Anna-Christina Eilers , Andy Goulding , Jenny Greene , Daichi Kashino , Ivo Labbe , Simon J. Lilly , Ruari Mackenzie , Pascal A. Oesch , Andrea Weibel , Stijn Wuyts , Mengyuan Xiao , Rongmon Bordoloi , Rychard Bouwens , Pieter van Dokkum , Garth Illingworth , Ivan Kramarenko , Michael V. Maseda , Charlotte Mason , Romain A. Meyer , Erica J. Nelson , Naveen A. Reddy , Irene Shivaei , Robert A. Simcoe , Minghao Yue

Rapid Star Formation in the Presence of Active Galactic Nuclei

Recent observations reveal galaxies in the early Universe (2<z<6.4) with large reservoirs of molecular gas and extreme star formation rates. For a very large range of sources, a tight relationship exists between star formation rate and the…

Astrophysics · Physics 2009-11-11 Chris Lintott , Serena Viti

Star formation properties of sub-mJy radio sources

We investigate the star formation properties of ~800 sources detected in one of the deepest radio surveys at 1.4 GHz. Our sample spans a wide redshift range (~0.1 - 4) and about four orders of magnitude in star formation rate (SFR). It…

Astrophysics of Galaxies · Physics 2015-09-09 M. Bonzini , V. Mainieri , P. Padovani , P. Andreani , S. Berta , M. Bethermin , D. Lutz , G. Rodighiero , D. Rosario , P. Tozzi , S. Vattakunnel

Star formation in z>1 3CR host galaxies as seen by Herschel

We present Herschel (PACS and SPIRE) far-infrared (FIR) photometry of a complete sample of z>1 3CR sources, from the Herschel GT project The Herschel Legacy of distant radio-loud AGN (PI: Barthel). Combining these with existing Spitzer…

Astrophysics of Galaxies · Physics 2015-03-04 P. Podigachoski , P. D. Barthel , M. Haas , C. Leipski , B. Wilkes , J. Kuraszkiewicz , C. Westhues , S. P. Willner , M. L. N. Ashby , R. Chini , D. L. Clements , G. G. Fazio , A. Labiano , C. Lawrence , K. Meisenheimer , R. F. Peletier , R. Siebenmorgen , G. Verdoes Kleijn

The host galaxies of X-ray selected Active Galactic Nuclei to z=2.5: Structure, star-formation and their relationships from CANDELS and Herschel/PACS

We study the relationship between the structure and star-formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic…

Astrophysics of Galaxies · Physics 2014-12-24 D. J. Rosario , D. H. McIntosh , A. van der Wel , J. Kartaltepe , P. Lang , P. Santini , S. Wuyts , D. Lutz , M. Rafelski , C. Villforth , D. M. Alexander , F. E. Bauer , E. F. Bell , S. Berta , W. N. Brandt , C. J. Conselice , A. Dekel , S. M. Faber , H. C. Ferguson , R. Genzel , N. A. Grogin , D. D. Kocevski , A. M. Koekemoer , D. C. Koo , J. M. Lotz , B. Magnelli , R. Maiolino , M. Mozena , J. R. Mullaney , C. J. Papovich , P. Popesso , L. J. Tacconi , J. R. Trump , S. Avadhuta , R. Bassett , A. Bell , M. Bernyk , F. Bournaud , P. Cassata , E. Cheung , D. Croton , J. Donley , L. DeGroot , J. Guedes , N. Hathi , J. Herrington , M. Hilton , K. Lai , C. Lani , M. Martig , E. McGrath , S. Mutch , A. Mortlock , C. McPartland , E. O'Leary , M. Peth , A. Pillepich , G. Poole , D. Snyder , A. Straughn , O. Telford , C. Tonini , P. Wandro

Follow up of the CFRS with HST, ISO and VLA: the cosmic star formation rate as derived from the FIR luminosity density

Properties of CFRS field galaxies up to z=1 are discussed. Estimations of the cosmic star formation rate (SFR) lead to serious problems if they not account for AGN emissions and for light reemitted at IR wavelengths. Deep ISOCAM and VLA…

Astrophysics · Physics 2007-05-23 F. Hammer , H. Flores

Physical properties of galaxies and the UV Luminosity Function from $z\sim6$ to $z\sim14$ in COSMOS-Web

We present measurements of the rest-frame ultraviolet luminosity function (UVLF) in three redshift bins over $z\sim5.5$-14 from the JWST COSMOS-Web survey. Our samples, selected using the dropout technique in the HST/ACS F814W, JWST/NIRCam…

Astrophysics of Galaxies · Physics 2025-08-08 Maximilien Franco , Caitlin M. Casey , Hollis B. Akins , Olivier Ilbert , Marko Shuntov , Steven L. Finkelstein , Louise Paquereau , Andreas L. Faisst , Anton M. Koekemoer , Michaela Hirschmann , Sebastiano Cantarella , Nicole E. Drakos , Stephen M. Wilkins , Henry Joy McCracken , Jeyhan S. Kartaltepe , Claudia Maraston , Fatemeh Abedini , Mark J. Achenbach , Rafael C. Arango-Toro , Fabrizio Gentile , Ghassem Gozaliasl , Kohei Inayoshi , Darshan Kakkad , Atousa Kalantari , Ali Ahmad Khostovan , Vasily Kokorev , Erini Lambrides , Gavin Leroy , Richard Massey , Bahram Mobasher , Sophie L. Newman , Jason Rhodes , R. Michael Rich , Brant E. Robertson , David B. Sanders , Takumi S. Tanaka , Aswin P. Vijayan , John R. Weaver , Lilan Yang , Si-Yue Yu

Dissecting Galaxies: Separating Star Formation, Shock Excitation and AGN Activity in the Central Region of NGC 613

The most rapidly evolving regions of galaxies often display complex optical spectra with emission lines excited by massive stars, shocks and accretion onto supermassive black holes. Standard calibrations (such as for the star formation…

Astrophysics of Galaxies · Physics 2017-08-02 Rebecca L. Davies , Brent Groves , Lisa J. Kewley , Prajval Shastri , Jaya Maithil , Preeti Kharb , Julie Banfield , Fergus Longbottom , Michael A. Dopita , Elise J. Hampton , Julia Scharwächter , Ralph Sutherland , Chichuan Jin , Ingyin Zaw , Bethan James , Stéphanie Juneau

Measurement of Star-Formation Rate from H-alpha in field galaxies at z=1

We report the results of J-band infrared spectroscopy of a sample of 13 z=1 field galaxies drawn from the Canada-France Redshift Survey, targeting galaxies whose redshifts place the rest frame H-alpha line emission from HII regions in…

Astrophysics · Physics 2009-10-30 Karl Glazebrook , Chris Blake , Frossie Economou , Simon Lilly , Matthew Colless

Circumnuclear star-formation and AGN activity: Clues from surface brightness radial profile of PAHs and [SIV]

We studied the circumnuclear MIR emission in a sample of 19 local active galactic nuclei (AGN) with high spatial resolution spectra using T-ReCS (Gemini) and CanariCam (GTC), together with IRS/Spitzer observations. We measured the flux and…

Astrophysics of Galaxies · Physics 2018-06-13 Donaji Esparza-Arredondo , Omaira Gonzalez-Martin , Deborah Dultzin , Almudena Alonso-Herrero , Cristina Ramos Almeida , Tanio Diaz-Santos , Ismael Garcia-Bernete , Mariela Martinez-Paredes , Jose Miguel Rodriguez-Espinosa

Evidence for Widespread AGN Activity among Massive Quiescent Galaxies at z ~ 2

We quantify the presence of Active Galactic nuclei (AGN) in a mass-complete (M_* >5e10 M_sun) sample of 123 star-forming and quiescent galaxies at 1.5 < z < 2.5, using X-ray data from the 4 Ms Chandra Deep Field-South (CDF-S) survey.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Karen Pardos Olsen , Jesper Rasmussen , Sune Toft , Andrew W. Zirm

Cosmic star formation history associated with QSO activity: an approach using the black hole to bulge mass correlation

The tight correlation between the masses of central black holes and their host spheroids in nearby galaxies and active galactic nuclei suggests that black hole growth is closely related to their spheroid formation. Based on our previous…

Astrophysics · Physics 2009-11-07 Y. P. Wang , T. Yamada , Y. Taniguchi

The Characteristic Star Formation Histories of Galaxies at Redshifts z~2-7

A large sample of spectroscopically confirmed galaxies at 1.4<z<3.7, with complementary imaging in the near- and mid-IR from the ground and from Hubble and Spitzer, is used to infer the average star formation histories (SFHs) of typical…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Naveen A. Reddy , Max Pettini , Charles C. Steidel , Alice E. Shapley , Dawn K. Erb , David R. Law

Herschel unveils a puzzling uniformity of distant dusty galaxies

The Herschel Space Observatory enables us to accurately measure the bolometric output of starburst galaxies and active galactic nuclei (AGN) by directly sampling the peak of their far-infrared (IR) emission. Here we examine whether the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 D. Elbaz , H. S. Hwang , B. Magnelli , E. Daddi , H. Aussel , B. Altieri , A. Amblard , P. Andreani , V. Arumugam , R. Auld , T. Babbedge , S. Berta , A. Blain , J. Bock , A. Bongiovanni , A. Boselli , V. Buat , D. Burgarella , N. Castro-Rodriguez , A. Cava , J. Cepa , P. Chanial , R. -R. Chary , A. Cimatti , D. L. Clements , A. Conley , L. Conversi , A. Cooray , M. Dickinson , H. Dominguez , C. D. Dowell , J. S. Dunlop , E. Dwek , S. Eales , D. Farrah , N. Forster Schreiber , M. Fox , A. Franceschini , W. Gear , R. Genzel , J. Glenn , M. Griffin , C. Gruppioni , M. Halpern , E. Hatziminaoglou , E. Ibar , K. Isaak , R. J. Ivison , G. Lagache , D. Le Borgne , E. Le Floc'h , L. Levenson , N. Lu , D. Lutz , S. Madden , B. Maffei , G. Magdis , G. Mainetti , R. Maiolino , L. Marchetti , A. M. J. Mortier , H. T. Nguyen , R. Nordon , B. O'Halloran , K. Okumura , S. J. Oliver , A. Omont , M. J. Page , P. Panuzzo , A. Papageorgiou , C. P. Pearson , I. Perez Fournon , A. M. Perez Garcıa , A. Poglitsch , M. Pohlen , P. Popesso , F. Pozzi , J. I. Rawlings , D. Rigopoulou , L. Riguccini , D. Rizzo , G. Rodighiero , I. G. Roseboom , M. Rowan-Robinson , A. Saintonge , M. Sanchez-Portal , P. Santini , M. Sauvage , B. Schulz , Douglas Scott , N. Seymour , L. Shao , D. L. Shupe , A. J. Smith , J. A. Stevens , E. Sturm , M. Symeonidis , L. Tacconi , M. Trichas , K. E. Tugwell , M. Vaccari , I. Valtchanov , J. Vieira , L. Vigroux , L. Wang , R. Ward , G. Wright , C. K. Xu , M. Zemcov

Compact Nuclei in Galaxies at Moderate Redshift:II. Their Nature and Implications for the AGN Luminosity Function

This study explores the space density and properties of active galaxies to z=0.8. We have investigated the frequency and nature of unresolved nuclei in galaxies at moderate redshift as indicators of nuclear activity such as Active Galactic…

Astrophysics · Physics 2009-10-31 Vicki L. Sarajedini , Richard F. Green , Richard E. Griffiths , Kavan Ratnatunga