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Browsing by Author "Capak, Peter"

Browsing by Author "Capak, Peter"

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  • 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 dark matter haloes of moderate luminosity X-ray AGN as determined from weak gravitational lensing and host stellar masses 
    Leauthaud, Alexie; J. Benson, Andrew; Civano, Francesca; L. Coil, Alison; Bundy, Kevin; Massey, Richard; Schramm, Malte; Schulze, Andreas; Capak, Peter; Elvis, Martin; Kulier, Andrea; Rhodes, Jason (2015)
    Understanding the relationship between galaxies hosting active galactic nuclei (AGN) and the dark matter haloes in which they reside is key to constraining how black hole fuelling is triggered and regulated. Previous efforts ...
  • Metallicity and Age of the Stellar Stream around the Disk Galaxy NGC 5907 
    Laine, Seppo; Grillmair, Carl J.; Capak, Peter; Arendt, Richard G.; Romanowsky, Aaron J.; Martínez-Delgado, David; Ashby, Matthew L. N.; Davies, James E.; Majewski, Stephen R.; Brodie, Jean P.; GaBany, R. Jay; Arnold, Jacob A. (2016)
    Stellar streams have become central to studies of the interaction histories of nearby galaxies. To characterize the most prominent parts of the stellar stream around the well-known nearby (d = 17 Mpc) edge-on disk galaxy ...
  • Obscured active galactic nuclei triggered in compact star-forming galaxies 
    Chang, Yu-Yen; Le Floc'h, Emeric; Juneau, Stéphanie; da Cunha, Elisabete; Salvato, Mara; Civano, Francesca; Marchesi, Stefano; Gabor, J. M.; Ilbert, Olivier; Laigle, Clotilde; McCracken, H. J.; Hsieh, Bau-Ching; Capak, Peter (2017)
    We present a structural study of 182 obscured active galactic nuclei (AGNs) at z <= 1.5, selected in the Cosmic Evolution Survey field from their extreme infrared to X-ray luminosity ratio and their negligible emission at ...
  • SDSS 0956+5128: A Broad-line Quasar with Extreme Velocity Offsets 
    Steinhardt, Charles L.; Schramm, Malte; Silverman, John D.; Alexandroff, Rachael; Capak, Peter; Civano, Francesca; Elvis, Martin; Masters, Dan; Mobasher, Bahram; Pattarakijwanich, Petchara; Strauss, Michael A. (2012)
    We report on the discovery of a Type 1 quasar, SDSS 0956+5128, with a surprising combination of extreme velocity offsets. SDSS 0956+5128 is a broad-lined quasar exhibiting emission lines at three substantially different ...
  • Spectral energy distributions of type 1 AGN in XMM-COSMOS - II. Shape evolution 
    Hao, Heng; Elvis, Martin; Civano, Francesca; Zamorani, Gianni; Ho, Luis C.; Comastri, Andrea; Brusa, Marcella; Bongiorno, Angela; Merloni, Andrea; Trump, Jonathan R.; Salvato, Mara; Impey, Chris D.; Koekemoer, Anton M.; Lanzuisi, Giorgio; Celotti, Annalisa; Jahnke, Knud; Vignali, Cristian; Silverman, John D.; Urry, C. Megan; Schawinski, Kevin; Capak, Peter (2014)
    The mid-infrared-to-ultraviolet (0.1-10 µm) spectral energy distribution (SED) shapes of 407 X-ray-selected radio-quiet type 1 active galactic nuclei (AGN) in the wide-field `Cosmic Evolution Survey&#39; (COSMOS) have been ...

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