Browsing by Author "Centre for Astrophysics Research"

Now showing items 261-280 of 2334

    • The central slope of dark matter cores in dwarf galaxies : simulations versus THINGS 

      Oh, S.H.; Brook, C.; Governato, F.; Brinks, E.; Mayer, L.; de Blok, W.J.G.; Brooks, A.; Walter, F. (2011)
      We make a direct comparison of the derived dark matter (DM) distributions between hydrodynamical simulations of dwarf galaxies assuming ACDM cosmology and the observed dwarf galaxies sample from the THINGS survey in terms ...

    • Central Star Formation in Early-type Galaxy I Zw 81 in the Bootes Void 

      Pandey, Divya; Saha, Kanak; Pradhan, Ananta C.; Kaviraj, Sugata (2022-12-16)
      The origin of star formation in customarily passively evolving early-type massive galaxies is poorly understood. We present a case study of a massive galaxy, I Zw 81, inside the Bootes void. The void galaxy is known to ...

    • The CERN n_TOF Facility: Neutron beams performances for cross section measurements 

      Chiaveri, E.; Altstadt, S.; Andrzejewski, J.; Audouin, L.; Barbagallo, M.; Bécares, V.; Bečvář, F.; Belloni, F.; Berthoumieux, E.; Billowes, J.; Boccone, V.; Bosnar, D.; Brugger, M.; Calviani, M.; Calvĩo, F.; Cano-Ott, D.; Carrapiço, C.; Cerutti, F.; Chin, M.; Colonna, N.; Cortés, G.; Cortés-Giraldo, M. A.; Diakaki, M.; Domingo-Pardo, C.; Duran, I.; Dressler, R.; Dzysiuk, N.; Eleftheriadis, C.; Ferrari, A.; Fraval, K.; Ganesan, S.; García, R. A.; Giubrone, G.; Gómez-Hornillos, M. B.; Gonçalves, I. F.; González-Romero, E.; Griesmayer, E.; Guerrero, C.; Gunsing, F.; Gurusamy, P.; Hernández-Prieto, A.; Jenkins, D. G.; Jericha, E.; Kadi, Y.; Käppeler, F.; Karadimos, D.; Kivel, N.; Koehler, P.; Kokkoris, M.; Krtička, M.; Kroll, J.; Lampoudis, C.; Langer, C.; Leal-Cidoncha, E.; Lederer, C.; Leeb, H.; Leong, L. S.; Losito, R.; Mallick, A.; Manousos, A.; Marganiec, J.; Martínez, T.; Massimi, C.; Mastinu, P. F.; Mastromarco, M.; Meaze, M.; Mendoza, E.; Mengoni, A.; Milazzo, P. M.; Mingrone, F.; Mirea, M.; Mondalaers, W.; Paradela, C.; Pavlik, A.; Perkowski, J.; Plompen, A.; Praena, J.; Quesada, J. M.; Rauscher, T.; Reifarth, R.; Riego, A.; Robles, M. S.; Roman, F.; Roman, F.; Rubbia, C.; Sabaté-Gilarte, M.; Sarmento, R.; Saxena, A.; Schillebeeckx, P.; Schmidt, S.; Schumann, D.; Tagliente, G.; Tain, J. L.; Tarrío, D.; Tassan-Got, L.; Tsinganis, A. (2014-05-01)
      This paper presents the characteristics of the existing CERN n TOF neutron beam facility (n TOF-EAR1 with a flight path of 185 meters) and the future one (n_TOF EAR-2 with a flight path of 19 meters), which will operate ...

    • Challenges in nucleosynthesis of trans-iron elements 

      Rauscher, T. (2014-04-01)
      Nucleosynthesis beyond Fe poses additional challenges not encountered when studying astrophysical processes involving light nuclei. Astrophysical sites and conditions are not well known for some of the processes involved. ...

    • Chandra and XMM-Newton Observations of the Nucleus of Centaurus A 

      Evans, D.A.; Kraft, R.P.; Worrall, D.M.; Hardcastle, M.J.; Jones, C.; Forman, W.R.; Murray, S.S. (2004-09)
      We present X-ray spectra of the nucleus of the nearby radio galaxy Centaurus A from observations with the XMM-Newton EPIC CCD cameras (two exposures separated by 12 months) and the Chandra HETGS. For the first time in an ...

    • A Chandra and XMM-Newton study of the wide-angle tail radio galaxy 3c 465 

      Hardcastle, M.J.; Sakelliou, I.; Worrall, D.M. (2005-05)

    • The Chandra COSMOS Survey III : Optical and infrared identification of X-ray point sources 

      Civano, F.; Elvis, M.; Aldcroft, T.; Fruscione, A.; Hao, H.; Lanzuisi, G.; Wright, N.J.; Brusa, M.; Salvato, M.; Bongiorno, A.; Comastri, A.; Zamorani, G.; Cappelluti, N.; Gilli, R.; Lusso, E.; Vignali, C.; Fiore, F.; Capak, P.; Scoville, N.Z.; Cisternas, M.; Kartaltepe, J.; Koekemoer, A. M.; Impey, C.D.; Trump, J.; Mainieri, V.; Miyaji, T.; Lilly, S.; Masters, D.; Puccetti, S.; Schawinski, K.; Urry, M.; Silverman, J. (2012-08-01)
      The Chandra COSMOS Survey (C-COSMOS) is a large, 1.8 Ms, Chandra program that has imaged the central 0.9 deg2 of the COSMOS field down to limiting depths of 1.9×10−16 erg cm−2 s−1 in the soft (0.5–2 keV) band, 7.3×10−16 ...

    • Chandra Detection of the Radio and Optical Double Hot Spot of 3c 351 

      Brunetti, G.; Bondi, M.; Comastri, A.; Pedani, M.; Varano, S.; Setti, G.; Hardcastle, M.J. (2001-11)

    • A Chandra detection of the radio hotspot of 3C 123 

      Hardcastle, M.J.; Birkinshaw, M.; Worrall, D.M. (2001-05)

    • Chandra Detections of SCUBA Galaxies around High-z radio Sources 

      Smail, I.; Scharf, C.; Ivison, R.J.; Stevens, J. A.; Bower, R.; Dunlop, J.S. (2003-12)

    • Chandra evidence for AGN feedback in the spiral galaxy NGC 6764 

      Croston, J.H.; Hardcastle, M.J.; Kharb, P.; Kraft, R.P.; Hota, A. (2008)

    • Chandra finds that X-ray jets are common in low-power radio galaxies 

      Worrall, D.M.; Birkinshaw, M.; Hardcastle, M.J. (2001-09)

    • A Chandra observation of 3C 288 - reheating the cool core of a 3 keV cluster from a nuclear outburst at z=0.246 

      Lal, D.V.; Kraft, R.P.; Forman, W.R.; Hardcastle, M.J.; Jones, C.; Nulsen, P.E.J.; Evans, D.A.; Croston, J.H.; Lee, J.C. (2010)
      We present results from a 42 ks Chandra/ACIS-S observation of the transitional FR I/FR II radio galaxy 3C 288 at z = 0.246. We detect ~3 keV gas extending to a radius of ~0.5 Mpc with a 0.5-2.0 keV luminosity of 6.6 × 1043 ...

    • A Chandra observation of the X-ray environment and jet of 3c 296 

      Hardcastle, M.J.; Worrall, D.M.; Birkinshaw, M.; Laing, R.A.; Bridle, A.H. (2005-04)

    • A Chandra observation of the X-ray environment and jet of 3C 31 

      Hardcastle, M.J.; Worrall, D.M.; Birkinshaw, M.; Laing, R.A.; Bridle, A.H. (2002-07)
      We have used a deep Chandra observation of the central regions of the twin-jet FRI radio galaxy 3C 31 to resolve the thermal X-ray emission in the central few kiloparsecs of the host galaxy, NGC 383, where the jets are ...

    • Chandra observations of Galaxy Zoo mergers : Frequency of binary active nuclei in massive mergers 

      Teng, S.H.; Schawinski, K.; Urry, C.M.; Bonning, E.W.; Simmons, B.D.; Darg, D.W.; Kaviraj, S.; Lintott, C.J.; Oh, K.; Cardamone, C.N.; Keel, W.C.; Treister, E. (2012-07-10)
      We present the results from a Chandra pilot study of 12 massive galaxy mergers selected from Galaxy Zoo. The sample includes major mergers down to a host galaxy mass of 1011 M ☉ that already have optical active galactic ...

    • Chandra Observations of the X-Ray Jet in Centaurus A 

      Kraft, R.P.; Forman, W.R.; Jones, C.; Murray, S.S.; Hardcastle, M.J.; Worrall, D.M. (2002-04)
      We present high angular resolution X-ray images and spectra from two Chandra AXAF CCD Imaging Spectrometer (ACIS-I) observations of the X-ray jet in the nearby radio galaxy Cen A. We find that the X-ray emission from the ...

    • Chandra Reveals Twin X-ray Jets in the Powerful FR-II Radio Galaxy 3C 353 

      Kataoka, J.; Stawarz, L.; Harris, D.E.; Siemiginowska, A.; Ostrowski, M.; Swain, M.R.; Hardcastle, M.J.; Goodger, Joanna; Iwasawa, K.; Edwards, P.G. (2008)

    • A Chandra Study of the Multicomponent X-Ray Emission from the X-shaped Radio Galaxy 3C403 

      Kraft, R.P.; Hardcastle, M.J.; Worrall, D.M.; Murray, S.S. (2005-03)

    • The Chandra view of extended X-ray emission from Pictor A 

      Hardcastle, M.J.; Croston, J.H. (2005)