Discovery of H I gas in a young radio galaxy at z = 0.44 using the Australian Square Kilometre Array Pathfinder

Allison, JR; Sadler, EM; Moss, VA; Whiting, MT; Hunstead, RW; Pracy, MB; Curran, SJ; Croom, SM; Glowacki, M; Morganti, R; Shabala, SS; Zwaan, MA; Allen, G; Amy, SW; Axtens, P; Ball, L; Bannister, KW; Barker, S; Bell, ME; Bock, DC-J; Bolton, R; Bowen, M; Boyle, B; Braun, R; Broadhurst, S; Brodrick, D; Brothers, M; Brown, A; Bunton, JD; Cantrall, C; Chapman, J; Cheng, W; Chippendale, AP; Chung, Y; Cooray, F; Cornwell, T; Deboer, D; Diamond, P; Edwards, PG; Ekers, R; Feain, I; Ferris, RH; Forsyth, R; Gough, R; Grancea, A; Gupta, N; Guzman, JC; Hampson, G; Harvey-Smith, L; Haskins, C; Hay, S; Hayman, DB; Heywood, I; Hotan, AW; Hoyle, S; Humphreys, B; Indermuehle, BT; Jacka, C; Jackson, C; Jackson, S; Jeganathan, K; Johnston, S; Joseph, J; Kendall, R; Kesteven, M; Kiraly, D; Koribalski, BS; Leach, M; Lenc, E; Lensson, E; Mackay, S; Macleod, A; Marquarding, M; Marvil, J; McClure-griffiths, N; McConnell, D; Mirtschin, P; Norris, RP; Neuhold, S; Ng, A; O'Sullivan, J; Pathikulangara, J; Pearce, S; Phillips, C; Popping, A; Qiao, RY; Reynolds, JE; Roberts, P; Sault, RJ; Schinckel, A; Serra, P; Shaw, R; Shields, M; Shimwell, T; Storey, M; Sweetnam, T; Troup, E; Turner, B; Tuthill, J; Tzioumis, A; Voronkov, MA; Westmeier, T; Wilson, CD

Abstract:

We report the discovery of a new 21-cm H I absorption system using commissioning data from the Boolardy Engineering Test Array of the Australian Square Kilometre Array Pathfinder (ASKAP). Using the 711.5–1015.5 MHz band of ASKAP we were able to conduct a blind search for the 21-cm line in a continuous redshift range between z = 0.4 and 1.0, which has, until now, remained largely unexplored. The absorption line is detected at z = 0.44 towards the GHz-peaked spectrum radio source PKS B1740−517 ...

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APA Style

Allison, J. R., Sadler, E. M., Moss, V. A., Whiting, M. T., Hunstead, R. W., Pracy, M. B., Curran, S. J., Croom, S. M., Glowacki, M., Morganti, R., Shabala, S. S., Zwaan, M. A., Allen, G., Amy, S. W., Axtens, P., Ball, L., Bannister, K. W., Barker, S., Bell, M. E., … Wilson, C. D. (2015). Discovery of H I gas in a young radio galaxy at z = 0.44 using the Australian Square Kilometre Array Pathfinder. Monthly Notices of the Royal Astronomical Society, 453(2), 1249–1267.

MLA Style

Allison, J. R., et al. “Discovery of H I Gas in a Young Radio Galaxy at z = 0.44 Using the Australian Square Kilometre Array Pathfinder.” Monthly Notices of the Royal Astronomical Society, vol. 453, no. 2, Monthly Notices of the Royal Astronomical Society, 2015, pp. 1249–67.

Chicago Style

Allison, JR, EM Sadler, VA Moss, MT Whiting, RW Hunstead, MB Pracy, SJ Curran, et al. 2015. “Discovery of H I Gas in a Young Radio Galaxy at z = 0.44 Using the Australian Square Kilometre Array Pathfinder.” Monthly Notices of the Royal Astronomical Society 453 (2): 1249–67.
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