A
Andrea Comastri
Researcher at INAF
Publications - 718
Citations - 52821
Andrea Comastri is an academic researcher from INAF. The author has contributed to research in topics: Galaxy & Active galactic nucleus. The author has an hindex of 111, co-authored 706 publications receiving 49119 citations. Previous affiliations of Andrea Comastri include University of Bologna & Max Planck Society.
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Journal ArticleDOI
Accreting supermassive black holes in the COSMOS field and the connection to their host galaxies
Angela Bongiorno,Andrea Merloni,Marcella Brusa,Benjamin Magnelli,Mara Salvato,M. Mignoli,G. Zamorani,Fabrizio Fiore,David J. Rosario,Vincenzo Mainieri,H. Hao,Andrea Comastri,Cristian Vignali,Cristian Vignali,Italo Balestra,S. Bardelli,S. Berta,Francesca Civano,P. Kampczyk,E. Le Floc'h,Elisabeta Lusso,Dieter Lutz,Lucia Pozzetti,Francesca Pozzi,L. Riguccini,Francesco Shankar,John D. Silverman +26 more
TL;DR: In this article, the authors explore the host galaxy properties of a large sample of active galactic nuclei (AGNs; ∼1700 objects) with Lbol ranging from 1043 to 1047 erg s−1, obtained by combining X-ray and optical spectroscopic selections.
Journal ArticleDOI
Dissecting Photometric redshift for Active Galactic Nuclei using XMM- and Chandra-COSMOS samples
Mara Salvato,O. Ilbert,G. Hasinger,A. Rau,Francesca Civano,G. Zamorani,Marcella Brusa,M. Elvis,Cristian Vignali,H. Aussel,Andrea Comastri,Fabrizio Fiore,E. Le Floc'h,Vincenzo Mainieri,S. Bardelli,M. Bolzonella,Angela Bongiorno,Peter Capak,Karina Caputi,Nico Cappelluti,C. M. Carollo,T. Contini,B. Garilli,A. Iovino,Sotiria Fotopoulou,Antonella Fruscione,Roberto Gilli,C. Halliday,J-P. Kneib,Y. Kakazu,J. Kartaltepe,Anton M. Koekemoer,Katarina Kovac,Y. Ideue,H. Ikeda,Chris Impey,O. Le Fevre,F. Lamareille,Giorgio Lanzuisi,J-F. Le Borgne,V. Le Brun,S. J. Lilly,Christian Maier,S. Manohar,D. Masters,H. J. McCracken,Hugo Messias,M. Mignoli,Bahram Mobasher,Tohru Nagao,R. Pello,Simonetta Puccetti,E. Perez Montero A. Renzini,M. T. Sargent,D. B. Sanders,Marco Scodeggio,Nick Scoville,Patrick L. Shopbell,J. Silvermann,Yoshi Taniguchi,L. A. M. Tasca,L. Tresse,Jonathan R. Trump,E. Zucca +63 more
TL;DR: In this article, the authors used a large training set of spectroscopic redshifts that extends to faint magnitudes enabled photometric redshift comparable to the highest quality results presently available for normal galaxies.
Journal ArticleDOI
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting Active Galactic Nuclei
John D. Silverman,F. Lamareille,Christian Maier,Simon J. Lilly,Vincenzo Mainieri,Marcella Brusa,Nico Cappelluti,G. Hasinger,G. Zamorani,Marco Scodeggio,M. Bolzonella,T. Contini,C. M. Carollo,Knud Jahnke,Jean-Paul Kneib,O. Le Fevre,Andrea Merloni,S. Bardelli,Angela Bongiorno,Hermann Brunner,Karina Caputi,Francesca Civano,Andrea Comastri,Graziano Coppa,O. Cucciati,S. de la Torre,L. de Ravel,M. Elvis,A. Finoguenov,Fabrizio Fiore,P. Franzetti,B. Garilli,Roberto Gilli,A. Iovino,P. Kampczyk,C. Knobel,Katarina Kovac,J. F. Le Borgne,V. Le Brun,M. Mignoli,R. Pello,Yingjie Peng,E. Perez Montero,E. Ricciardelli,Masaomi Tanaka,L. A. M. Tasca,L. Tresse,D. Vergani,Cristian Vignali,E. Zucca,D. Bottini,A. Cappi,Paolo Cassata,M. Fumana,Richard E. Griffiths,Jeyhan S. Kartaltepe,Christian Marinoni,H. J. McCracken,P. Memeo,B. Meneux,Pascal Oesch,Cristiano Porciani,Mara Salvato +62 more
TL;DR: In this article, a study of the host galaxies of AGN selected from the zCOSMOS survey to establish if accretion onto supermassive black holes and star formation are explicitly linked up to z~1.5 is presented.
Journal ArticleDOI
The CHANDRA COSMOS Legacy Survey: Optical / IR Identifications
S. Marchesi,S. Marchesi,S. Marchesi,Francesca Civano,Francesca Civano,Martin Elvis,Mara Salvato,Marcella Brusa,Andrea Comastri,Roberto Gilli,Günther Hasinger,Giorgio Lanzuisi,Takamitsu Miyaji,Takamitsu Miyaji,Ezequiel Treister,C. M. Urry,Cristian Vignali,G. Zamorani,Viola Allevato,Nico Cappelluti,C. Cardamone,Alexis Finoguenov,Richard E. Griffiths,Alexander Karim,Clotilde Laigle,Stephanie M. LaMassa,Knud Jahnke,Piero Ranalli,Kevin Schawinski,Eva Schinnerer,Eva Schinnerer,John D. Silverman,Vernesa Smolčić,Hyewon Suh,Benny Trakhtenbrot +34 more
TL;DR: The catalog of optical and infrared counterparts of the Chandra COSMOS-Legacy Survey, a 4.6Ms Chandra program on the 2.2 deg2 of the COS MOS field, was presented in this article.
Journal ArticleDOI
The 4 Ms Chandra Deep Field-South Number Counts Apportioned by Source Class: Pervasive Active Galactic Nuclei and the Ascent of Normal Galaxies
Bret D. Lehmer,Bret D. Lehmer,Yongquan Xue,W. N. Brandt,David M. Alexander,Franz E. Bauer,Marcella Brusa,Andrea Comastri,Roberto Gilli,Ann Hornschemeier,Bin Luo,Maurizio Paolillo,Andrew Ptak,Ohad Shemmer,Donald P. Schneider,Paolo Tozzi,Cristian Vignali +16 more
TL;DR: In this article, the authors present a new Bayesian approach, which allows reliable calculation of number counts down to flux limits that are factors of approx. equal to 1.9-4.