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Browsing by Author "Cappelluti, Nico"

Browsing by Author "Cappelluti, Nico"

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  • The 31 Deg2 Release of the Stripe 82 X-Ray Survey: The Point Source Catalog 
    LaMassa, Stephanie M.; Urry, C. Megan; Cappelluti, Nico; Böhringer, Hans; Comastri, Andrea; Glikman, Eilat; Richards, Gordon; Ananna, Tonima; Brusa, Marcella; Cardamone, Carie; Chon, Gayoung; Civano, Francesca; Farrah, Duncan; Gilfanov, Marat; Green, Paul; Komossa, S.; Lira, Paulina; Makler, Martin; Marchesi, Stefano; Pecoraro, Robert; Ranalli, Piero; Salvato, Mara; Schawinski, Kevin; Stern, Daniel; Treister, Ezequiel; Viero, Marco (2016)
    We release the next installment of the Stripe 82 X-ray survey point-source catalog, which currently covers 31.3 deg<SUP>2</SUP> of the Sloan Digital Sky Survey (SDSS) Stripe 82 Legacy field. In total, 6181 unique X-ray ...
  • AGN Populations in Large-volume X-Ray Surveys: Photometric Redshifts and Population Types Found in the Stripe 82X Survey 
    Ananna, Tonima Tasnin; Salvato, Mara; LaMassa, Stephanie; Urry, C. Megan; Cappelluti, Nico; Cardamone, Carolin; Civano, Francesca; Farrah, Duncan; Gilfanov, Marat; Glikman, Eilat; Hamilton, Mark; Kirkpatrick, Allison; Lanzuisi, Giorgio; Marchesi, Stefano; Merloni, Andrea; Nandra, Kirpal; Natarajan, Priyamvada; Richards, Gordon T.; Timlin, John (2017)
    Multiwavelength surveys covering large sky volumes are necessary to obtain an accurate census of rare objects such as high-luminosity and/or high-redshift active galactic nuclei (AGNs). Stripe 82X is a 31.3 X-ray survey ...
  • A candidate tidal disruption event in the Galaxy cluster Abell 3571 
    Cappelluti, Nico; Ajello, M.; Rebusco, P.; Komossa, S.; Bongiorno, Angela; Clemens, C.; Salvato, Mara; Esquej, P.; Aldcroft, Thomas L.; Greiner, J.; Quintana, H. (2009)
  • Chandra centres for COSMOS X-ray galaxy groups: differences in stellar properties between central dominant and offset brightest group galaxies 
    Gozaliasl, Ghassem; Finoguenov, Alexis; Tanaka, Masayuki; Dolag, Klaus; Montanari, Francesco; Kirkpatrick, Charles C.; Vardoulaki, Eleni; Khosroshahi, Habib G.; Salvato, Mara; Laigle, Clotilde; McCracken, Henry J.; Ilbert, Olivier; Cappelluti, Nico; Daddi, Emanuele; Hasinger, Guenther; Capak, Peter; Scoville, Nick Z.; Toft, Sune; Civano, Francesca; Griffiths, Richard E.; Balogh, Michael; Li, Yanxia; Ahoranta, Jussi; Mei, Simona; Iovino, Angela; Henriques, Bruno M. B.; Erfanianfar, Ghazaleh (2019)
    We present the results of a search for galaxy clusters and groups in the 2 deg<SUP>2</SUP> of the COSMOS field using all available X-ray observations from the XMM-Newton and Chandra observatories. We reach an X-ray flux ...
  • The Chandra COSMOS Legacy Survey: Energy Spectrum of the Cosmic X-Ray Background and Constraints on Undetected Populations 
    Cappelluti, Nico; Li, Yanxia; Ricarte, Angelo; Agarwal, Bhaskar; Allevato, Viola; Tasnim Ananna, Tonima; Ajello, Marco; Civano, Francesca; Comastri, Andrea; Elvis, Martin; Finoguenov, Alexis; Gilli, Roberto; Hasinger, Günther; Marchesi, Stefano; Natarajan, Priyamvada; Pacucci, Fabio; Treister, E.; Urry, C. Megan (2017)
    Using Chandra observations in the 2.15 deg<SUP>2</SUP> COSMOS-legacy field, we present one of the most accurate measurements of the Cosmic X-ray Background (CXB) spectrum to date in the [0.3-7] keV energy band. The CXB has ...
  • The Chandra COSMOS Survey. I. Overview and Point Source Catalog 
    Elvis, Martin; Civano, Francesca; Vignali, Cristian; Puccetti, Simonetta; Fiore, Fabrizio; Cappelluti, Nico; Aldcroft, Thomas L.; Fruscione, Antonella; Zamorani, G.; Comastri, Andrea; Brusa, Marcella; Gilli, Roberto; Miyaji, Takamitsu; Damiani, Francesco; Koekemoer, Anton M.; Finoguenov, Alexis; Brunner, Hermann; Urry, C. M.; Silverman, John; Mainieri, Vincenzo; Hasinger, Guenther; Griffiths, Richard; Carollo, Marcella; Hao, Heng; Guzzo, Luigi; Blain, Andrew; Calzetti, Daniela; Carilli, Christopher L.; Capak, Peter L.; Ettori, Stefano; Fabbiano, Giuseppina; Impey, Chris; Lilly, Simon; Mobasher, Bahram; Rich, Michael; Salvato, Mara; Sanders, D. B.; Schinnerer, Eva; Scoville, N.; Shopbell, Patrick; Taylor, James E.; Taniguchi, Yoshiaki; Volonteri, Marta (2009)
  • The Chandra Survey of the COSMOS Field. II. Source Detection and Photometry 
    Puccetti, S.; Vignali, C.; Cappelluti, Nico; Fiore, F.; Zamorani, G.; Aldcroft, Thomas L.; Elvis, Martin; Gilli, R.; Miyaji, T.; Brunner, H.; Brusa, Marcella; Civano, Francesca; Comastri, Andrea; Damiani, F.; Fruscione, A.; Finoguenov, A.; Koekemoer, Anton M.; Mainieri, V. (2009)
  • Chasing Highly Obscured QSOs in the COSMOS Field 
    Fiore, F.; Puccetti, S.; Brusa, Marcella; Salvato, Mara; Zamorani, G.; Aldcroft, Thomas L.; Aussel, H.; Brunner, H.; Capak, Peter L.; Cappelluti, Nico; Civano, Francesca; Comastri, Andrea; Elvis, Martin; Feruglio, C.; Finoguenov, A.; Fruscione, A.; Gilli, R.; Hasinger, G.; Koekemoer, Anton M.; Kartaltepe, J.; Ilbert, O.; Impey, C.; LeFloc'h, E.; Lilly, S.; Mainieri, V.; Martinez-Sansigre, A.; McCracken, H. J.; Menci, N.; Merloni, A.; Miyaji, T.; Sanders, D. B.; Sargent, M.; Schinnerer, Eva; Scoville, N.; Silverman, J.; Smolcic, V.; Steffen, A.; Santini, P.; Taniguchi, Y.; Thompson, D.; Trump, J. R.; Vignali, C.; Urry, M.; Yan, L. (2009)
  • The COSMOS Active Galactic Nucleus Spectroscopic Survey. I. XMM-Newton Counterparts 
    Trump, Jonathan R.; Impey, Chris D.; Elvis, Martin; McCarthy, Patrick J.; Huchra, John P.; Brusa, Marcella; Salvato, Mara; Capak, Peter L.; Cappelluti, Nico; Civano, Francesca; Comastri, Andrea; Gabor, Jared; Hao, Heng; Hasinger, Gunther; Jahnke, Knud; Kelly, Brandon C.; Lilly, Simon J.; Schinnerer, Eva; Scoville, Nick Z.; Smolcic, Vernesa (2009)
  • The Environments of Active Galactic Nuclei within the zCOSMOS Density Field 
    Silverman, J. D.; Kovac, K.; Knobel, C.; Lilly, S.; Bolzonella, M.; Lamareille, F.; Mainieri, V.; Brusa, Marcella; Cappelluti, Nico; Peng, Y.; Hasinger, G.; Zamorani, G.; Scodeggio, M.; Contini, T.; Carollo, C. M.; Jahnke, K.; Kneib, J. -P; LeFevre, O.; Bardelli, S.; Bongiorno, Angela; Brunner, H.; Caputi, Karina; Civano, Francesca; Comastri, Andrea; Coppa, G.; Cucciati, O.; de la Torre, S.; de Ravel, L.; Elvis, Martin; Finoguenov, A.; Fiore, F.; Franzetti, P.; Garilli, B.; Gilli, R.; Griffiths, R.; Iovino, A.; Kampczyk, P.; Koekemoer, Anton M.; LeBorgne, J. -F; LeBrun, V.; Maier, C.; Mignoli, M.; Pello, R.; Perez Montero, E.; Ricciardelli, E.; Tanaka, M.; Tasca, L.; Tresse, L.; Vergani, D.; Vignali, C.; Zucca, E.; Bottini, Dario; Cappi, A.; Cassata, P.; Marinoni, C.; McCracken, H. J.; Memeo, P.; Meneux, B.; Oesch, P.; Porciani, C.; Salvato, Mara (2009)
  • Extended X-ray emission from non-thermal sources in the COSMOS field: a detailed study of a large radio galaxy at z= 1.168 
    Jelic, Vibor; Smolcic, Vernesa; Finoguenov, Alexis; Tanaka, Masayuki; Civano, Francesca; Schinnerer, Eva; Cappelluti, Nico; Koekemoer, Anton (2012)
    X-ray selected galaxy group samples are usually generated by searching for extended X-ray sources that reflect the thermal radiation of the intragroup medium. On the other hand, large radio galaxies that regularly occupy ...
  • Finding rare AGN: X-ray number counts of Chandra sources in Stripe 82 
    LaMassa, Stephanie M.; Urry, C. Megan; Glikman, Eilat; Cappelluti, Nico; Civano, Francesca; Comastri, Andrea; Treister, Ezequiel; Böhringer, Hans; Cardamone, Carie; Chon, Gayoung; Kephart, Miranda; Murray, Stephen S.; Richards, Gordon; Ross, Nicholas P.; Rozner, Joshua S.; Schawinski, Kevin (2013)
    We present the first results of a wide-area X-ray survey within the Sloan Digital Sky Survey Stripe 82, a 300 deg<SUP>2</SUP> region of the sky with a substantial investment in multiwavelength coverage. We analysed archival ...
  • Finding rare AGN: XMM-Newton and Chandra observations of SDSS Stripe 82 
    LaMassa, Stephanie M.; Urry, C. Megan; Cappelluti, Nico; Civano, Francesca; Ranalli, Piero; Glikman, Eilat; Treister, Ezequiel; Richards, Gordon; Ballantyne, David; Stern, Daniel; Comastri, Andrea; Cardamone, Carie; Schawinski, Kevin; Böhringer, Hans; Chon, Gayoung; Murray, Stephen S.; Green, Paul; Nandra, Kirpal (2013)
    We have analysed the XMM-Newton and Chandra data overlapping 16.5 deg<SUP>2</SUP> of Sloan Digital Sky Survey Stripe 82, including 4.6 deg<SUP>2</SUP> of proprietary XMM-Newton data that we present here. In total, 3362 ...
  • High-Redshift Quasars in the COSMOS Survey: The Space Density of z &gt; 3 X-Ray Selected QSOs 
    Brusa, Marcella; Comastri, Andrea; Gilli, R.; Hasinger, G.; Iwasawa, K.; Mainieri, V.; Mignoli, M.; Salvato, Mara; Zamorani, G.; Bongiorno, Angela; Cappelluti, Nico; Civano, Francesca; Fiore, F.; Merloni, A.; Silverman, J.; Trump, J.; Vignali, C.; Capak, Peter L.; Elvis, Martin; Ilbert, O.; Impey, C.; Lilly, S. (2009)
  • Massive Galaxies in COSMOS: Evolution of Black Hole Versus Bulge Mass but not Versus Total Stellar Mass Over the Last 9 Gyr? 
    Jahnke, Knud; Bongiorno, Angela; Brusa, Marcella; Capak, Peter L.; Cappelluti, Nico; Cisternas, Mauricio; Civano, Francesca; Colbert, James; Comastri, Andrea; Elvis, Martin; Hasinger, Günther; Ilbert, Olivier; Impey, Chris; Inskip, Katherine; Koekemoer, Anton M.; Lilly, Simon; Maier, Christian; Merloni, Andrea; Riechers, Dominik; Salvato, Mara; Schinnerer, Eva; Scoville, Nick Z.; Silverman, John; Taniguchi, Yoshi; Trump, Jonathan R.; Yan, Lin (2009)
  • Measuring the Cosmic X-Ray Background in 3-20 KeV with Stray Light from NuSTAR 
    Rossland, Steven; Wik, Daniel R.; Grefenstette, Brian; Cappelluti, Nico; Civano, Francesca; Gastaldello, Fabio; Gilli, Roberto; Harrison, Fiona; Hornschemeier, Ann; Hickox, Ryan; Krivonos, Roman; Madsen, Kristin; Molendi, Silvano; Ptak, Andrew; Stern, Daniel; Zoglauer, Andreas (2023)
    By characterizing the contribution of stray light to large data sets from the CXB Measurement X-ray observatory collected over 2012-2017, we report a measurement of the cosmic X-ray background (CXB) in the 3-20 keV energy ...
  • On R-W1 as A Diagnostic to Discover Obscured Active Galactic Nuclei in Wide-area X-Ray Surveys 
    LaMassa, Stephanie M.; Civano, Francesca; Brusa, Marcella; Stern, Daniel; Glikman, Eilat; Gallagher, Sarah; Urry, C. Meg; Cales, Sabrina; Cappelluti, Nico; Cardamone, Carolin; Comastri, Andrea; Farrah, Duncan; Greene, Jenny E.; Komossa, S.; Merloni, Andrea; Mroczkowski, Tony; Natarajan, Priyamvada; Richards, Gordon; Salvato, Mara; Schawinski, Kevin; Treister, Ezequiel (2016)
    Capitalizing on the all-sky coverage of WISE and the 35% and 50% sky coverage from Sloan Digital Sky Survey and Pan-STARRS, respectively, we explore the efficacy of m<SUB>R</SUB> (optical) {m}<SUB>3.4µ {{m</SUB>}} ...
  • Photometric Redshift and Classification for the Xmm-Cosmos Sources 
    Salvato, Mara; Hasinger, G.; Ilbert, O.; Zamorani, G.; Brusa, Marcella; Scoville, N. Z.; Rau, A.; Capak, Peter L.; Arnouts, S.; Aussel, H.; Bolzonella, M.; Buongiorno, A.; Cappelluti, Nico; Caputi, Karina; Civano, Francesca; Cook, R.; Elvis, Martin; Gilli, R.; Jahnke, K.; Kartaltepe, J. S.; Impey, C. D.; Lamareille, F.; LeFloch, E.; Lilly, S.; Mainieri, V.; McCarthy, P.; McCracken, H.; Mignoli, M.; Mobasher, B.; Murayama, T.; Sasaki, S.; Sanders, D. B.; Schiminovich, D.; Shioya, Y.; Shopbell, P.; Silverman, J.; Smolcic, V.; Surace, J.; Taniguchi, Y.; Thompson, D.; Trump, J. R.; Urry, M.; Zamojski, M. (2009)
  • Probing the Milky Way&#39;s Dark Matter Halo for the 3.5 keV Line 
    Sicilian, Dominic; Cappelluti, Nico; Bulbul, Esra; Civano, Francesca; Moscetti, Massimo; Reynolds, Christopher S. (2020)
    We present a comprehensive search for the 3.5 keV line using ˜51 Ms of archival Chandra observations peering through the Milky Way&#39;s dark matter halo from across the entirety of the sky, gathered via the Chandra Source ...
  • Searching for the 3.5 keV Line in the Deep Fields with Chandra: The 10 Ms Observations 
    Cappelluti, Nico; Bulbul, Esra; Foster, Adam; Natarajan, Priyamvada; Urry, Megan C.; Bautz, Mark W.; Civano, Francesca; Miller, Eric; Smith, Randall K. (2018)
    We report a systematic search for an emission line around 3.5 keV in the spectrum of the cosmic X-ray background using a total of ~10 Ms Chandra observations toward the COSMOS Legacy and Extended Chandra Deep Field South ...

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