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Black Hole

Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Dr James Allison

CDF (Christ Church)

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Galaxy formation and evolution
  • Hintze Centre for Astrophysical Surveys
  • MeerKAT
james.allison@physics.ox.ac.uk
Christ Church webpage
  • About
  • Teaching
  • Research
  • Publications

Supplement: “Localization and broadband follow-up of the gravitational-wave transient GW150914” (2016, ApJL, 826, L13)

Astrophysical Journal Supplement Series American Astronomical Society 225:8 (2016) 1-15

Authors:

BP Abbott, R Abbott, TD Abbott, Ian Heywood

Abstract:

This Supplement provides supporting material for Abbott et al. (2016a). We briefly summarize past electromagnetic (EM) follow-up efforts as well as the organization and policy of the current EM follow-up program. We compare the four probability sky maps produced for the gravitational-wave transient GW150914, and provide additional details of the EM follow-up observations that were performed in the different bands.
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A correlation between the H i 21-cm absorption strength and impact parameter in external galaxies

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 459:4 (2016) 4136-4143

Authors:

SJ Curran, SN Reeves, JR Allison, EM Sadler
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A search for H i and OH absorption in z ≳ 3 CO emitters

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 457:4 (2016) 3666-3677

Authors:

SJ Curran, JR Allison, MT Whiting, EM Sadler, F Combes, MB Pracy, C Bignell, R Athreya
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Wide-field broad-band radio imaging with phased array feeds: a pilot multi-epoch continuum survey with ASKAP-BETA

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 457:4 (2016) 4160-4178

Authors:

I Heywood, KW Bannister, J Marvil, JR Allison, L Ball, ME Bell, DC-J Bock, M Brothers, JD Bunton, AP Chippendale, F Cooray, TJ Cornwell, D De Boer, P Edwards, R Gough, N Gupta, L Harvey-Smith, S Hay, AW Hotan, B Indermuehle, C Jacka, CA Jackson, S Johnston, AE Kimball, BS Koribalski, E Lenc, A Macleod, N McClure-Griffiths, D McConnell, P Mirtschin, T Murphy, S Neuhold, RP Norris, S Pearce, A Popping, RY Qiao, JE Reynolds, EM Sadler, RJ Sault, AET Schinckel, P Serra, TW Shimwell, J Stevens, J Tuthill, A Tzioumis, MA Voronkov, T Westmeier, MT Whiting
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H i emission and absorption in nearby, gas-rich galaxies – II. Sample completion and detection of intervening absorption in NGC 5156

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 457:3 (2016) 2613-2641

Authors:

SN Reeves, EM Sadler, JR Allison, BS Koribalski, SJ Curran, MB Pracy, CJ Phillips, HE Bignall, C Reynolds
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