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.
Papers
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Journal ArticleDOI
Accreting SMBHs 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,Andrea Comastri,C. 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 +24 more
TL;DR: In this paper, the authors explore the host galaxy properties of a large sample of Active Galactic Nuclei (AGN) obtained by combining X-ray and optical spectroscopic selections.
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Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XIV. Intensive Optical Spectrophotometric Observations of NGC 7469
Stefan Collier,Stefan Collier,Keith Horne,Shai Kaspi,Hagai Netzer,Bradley M. Peterson,Ignaz Wanders,Ignaz Wanders,Tal Alexander,R. Bertram,R. Bertram,Andrea Comastri,C. M. Gaskell,Yu. F. Malkov,D. Maoz,M. Mignoli,Richard W. Pogge,V. I. Pronik,S. G. Sergeev,Stephanie A. Snedden,G. M. Stirpe,N. G. Bochkarev,A. N. Burenkov,Alla I. Shapovalova,R. M. Wagner,R. M. Wagner +25 more
TL;DR: In this paper, the authors present results of an intensive 2 month campaign of ground-based spectrophotometric monitoring of the Seyfert 1 galaxy NGC 7469, with a temporal resolution 1 day.
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Massive galaxies in COSMOS: evolution of black hole versus bulge mass but not versus total stellar mass over the last 9 Gyr?
Knud Jahnke,Angela Bongiorno,Marcella Brusa,Peter Capak,Nico Cappelluti,Mauricio Cisternas,Francesca Civano,James W. Colbert,Andrea Comastri,Martin Elvis,Günther Hasinger,Olivier Ilbert,Chris Impey,Katherine J. Inskip,Anton M. Koekemoer,Simon J. Lilly,Christian Maier,Andrea Merloni,Dominik A. Riechers,Mara Salvato,Mara Salvato,Eva Schinnerer,Nick Scoville,John D. Silverman,Yoshi Taniguchi,Jonathan R. Trump,Lin Yan +26 more
TL;DR: In this article, the authors constrain the ratio of black hole (BH) mass to total stellar mass of type-1 active galactic nuclei (AGNs) in the COSMOS survey at 1 < z < 2.
Journal ArticleDOI
The Impact of Galaxy Interactions on Active Galactic Nucleus Activity in zCosmos
John D. Silverman,John D. Silverman,P. Kampczyk,Knud Jahnke,Rene Andrae,S. J. Lilly,Martin Elvis,Francesca Civano,V. Mainieri,Cristian Vignali,Gianni Zamorani,P. Nair,O. Le Fevre,L. de Ravel,S. Bardelli,Angela Bongiorno,M. Bolzonella,A. Cappi,Karina Caputi,C. M. Carollo,T. Contini,Graziano Coppa,O. Cucciati,S. de la Torre,P. Franzetti,B. Garilli,C. Halliday,Günther Hasinger,A. Iovino,C. Knobel,Anton M. Koekemoer,Katarina Kovac,F. Lamareille,J. F. Le Borgne,V. Le Brun,Christian Maier,M. Mignoli,R. Pello,E. Pérez-Montero,E. Ricciardelli,Y. Peng,M. Scodeggio,Masayuki Tanaka,L. Tasca,L. Tresse,D. Vergani,E. Zucca,Marcella Brusa,Nico Cappelluti,Andrea Comastri,Alexis Finoguenov,Hai Fu,Roberto Gilli,H. Hao,Luis C. Ho,Mara Salvato +55 more
TL;DR: In this paper, a sample of 562 galaxies (M_* > 2.5 × 10^(10) M_☉) in kinematic pairs over the redshift range 0.25 2 × 10−42) erg s^(−1) detected by Chandra was constructed and a higher fraction of AGN in galaxies in pairs relative to isolated galaxies of similar stellar mass was found.
Journal ArticleDOI
Massive Galaxies in COSMOS: Evolution of Black hole versus bulge mass but not versus total stellar mass over the last 9 Gyrs?
Knud Jahnke,Angela Bongiorno,Marcella Brusa,Peter Capak,Nico Cappelluti,Mauricio Cisternas,Francesca Civano,James Colbert,Andrea Comastri,Martin Elvis,Günther Hasinger,Chris Impey,Katherine J. Inskip,Anton M. Koekemoer,Simon J. Lilly,Christian Maier,Andrea Merloni,Dominik Riechers,Mara Salvato,Eva Schinnerer,Nick Scoville,John D. Silverman,Yoshi Taniguchi,Jonathan R. Trump,Lin Yan +24 more
TL;DR: In this paper, the authors constrain the ratio of black hole (BH) mass to total stellar mass of type-1 AGN in the COSMOS survey at 1