University of Hertfordshire

Dr Jim Geach ARCS

Professor

Jim Geach

Dr Jim Geach ARCS

Professor

Postal address:
University of Hertfordshire, Hatfield, Hertfordshire
United Kingdom

Publications

  1. 2019
  2. A 100-kiloparsec wind feeding the circumgalactic medium of a massive compact galaxy

    Rupke, D. S. N., Coil, A., Geach, J. E., Tremonti, C., Diamond-Stanic, A. M., George, E. R., Hickox, R. C., Kepley, A. A., Leung, G., Moustakas, J., Rudnick, G. & Sell, P. H., 31 Oct 2019, In : Nature. 574, 7780, p. 643-646 4 p.

    Research output: Contribution to journalArticle

  3. An ALMA survey of the SCUBA-2 CLS UDS field: Physical properties of 707 Sub-millimetre Galaxies

    Dudzevičiūtė, U., Smail, I., Swinbank, A. M., Stach, S. M., Almaini, O., Cunha, E. D., An, F. X., Arumugam, V., Birkin, J., Blain, A. W., Chapman, S. C., Conselice, C. J., Coppin, K. E. K., Dunlop, J. S., Farrah, D., Geach, J. E., Gullberg, B., Hartley, W. G., Hodge, J. A., Ivison, R. J. & 7 othersMaltby, D. T., Scott, D., Simpson, C. J., Walter, F., Wardlow, J. L., Weiss, A. & Werf, P. V. D., 16 Oct 2019, (Submitted) In : Monthly Notices of the Royal Astronomical Society.

    Research output: Contribution to journalArticle

  4. Galaxy morphological classification in deep-wide surveys via unsupervised machine learning

    Martin, G., Kaviraj, S., Hocking, A., Read, S. C. & Geach, J. E., 11 Oct 2019, (Accepted/In press) In : Monthly Notices of the Royal Astronomical Society.

    Research output: Contribution to journalArticle

  5. The East Asian Observatory SCUBA-2 Survey of the COSMOS Field: Unveiling 1147 Bright Sub-millimeter Sources across 2.6 Square Degrees

    Simpson, J. M., Smail, I., Swinbank, A. M., Chapman, S. C., Geach, J., Coppin, K. & Smith, D., 20 Jul 2019, In : The Astrophysical Journal. 880, 1, p. 43 21 p., 43.

    Research output: Contribution to journalArticle

  6. Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2

    Lang, P., Schinnerer, E., Smail, I., Dudzevičiūtė, U., Swinbank, A. M., Liu, D., Leslie, S. K., Almaini, O., An, F. X., Bertoldi, F., Blain, A. W., Chapman, S. C., Chen, C-C., Conselice, C., Cooke, E. A., Coppin, K. E. K., Dunlop, J. S., Farrah, D., Fudamoto, Y., Geach, J. E. & 16 othersGullberg, B., Harrington, K. C., Hodge, J. A., Ivison, R. J., Jiménez-Andrade, E. F., Magnelli, B., Michałowski, M. J., Oesch, P., Scott, D., Smolčić, V., Stach, S. M., Toft, S., Vardoulaki, E., Wardlow, J. L., Weiss, A. & Werf, P. V. D., 3 Jul 2019, In : The Astrophysical Journal. 879, 1, 54.

    Research output: Contribution to journalArticle

  7. An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Source catalogue and properties

    Stach, S. M., Dudzevičiūtė, U., Smail, I., Swinbank, A. M., Geach, J. E., An, F. X., Almaini, O., Arumugam, V., Blain, A. W., Chapman, S. C., Conselice, C. J., Cooke, E. A., Coppin, K. E. K., Cunha, E. D., Dunlop, J. S., Farrah, D., Gullberg, B., Hodge, J. A., Ivison, R. J., Kocevski, D. D. & 6 othersMichałowski, M. J., Miyaji, T., Scott, D., Wardlow, J. L., Weiss, A. & Werf, P. V. D., 6 Jun 2019, In : Monthly Notices of the Royal Astronomical Society. 487, 4, p. 4648–4668 21 p., stz1536.

    Research output: Contribution to journalArticle

  8. The Dynamics and Distribution of Angular Momentum in HiZELS Star-Forming Galaxies at z = 0.8 - 3.3

    Gillman, S., Swinbank, A. M., Tiley, A. L., Harrison, C. M., Smail, I., Dudzevičiūtė, U., Sharples, R. M., Best, P. N., Bower, R. G., Cochrane, R., Fisher, D., Geach, J. E., Glazebrook, K., Ibar, E., Molina, J., Obreschkow, D., Schaller, M., Sobral, D., Sweet, S., Trayford, J. W. & 1 othersTheuns, T., Jun 2019, In : Monthly Notices of the Royal Astronomical Society. 486, 1, p. 175-194 20 p.

    Research output: Contribution to journalArticle

  9. Taking Census of Massive, Star-Forming Galaxies formed

    Casey, C. M., Capak, P., Staguhn, J., Armus, L., Blain, A., Bethermin, M., Champagne, J., Cooray, A., Coppin, K., Drew, P., Dwek, E., Finkelstein, S., Franco, M., Geach, J., Hodge, J., Koprowski, M., Lagos, C., Narayanan, D., Pope, A., Sanders, D. & 7 othersShivaei, I., Toft, S., Vieira, J., Walter, F., Whitaker, K., Yun, M. & Zavala, J., 1 May 2019, In : Bulletin of the American Astronomical Society. 51, 3, 212.

    Research output: Contribution to journalArticle

  10. The SCUBA-2 Cluster Snapshot Survey - I. Catalogue of lensed galaxies and submillimetre-bright central galaxies

    Cheale, R. A., Geach, J. E., Edge, A. C., Blain, A. W., Chapman, S. C., Egami, E., Hogan, M. T., Rawle, T. D. & Webb, T. M. A., 1 Apr 2019, In : Monthly Notices of the Royal Astronomical Society. 484, 2, p. 2757-2778 22 p.

    Research output: Contribution to journalArticle

  11. The Halo Mass of Optically Luminous Quasars at z ,F≈ ,F1-2 Measured via Gravitational Deflection of the Cosmic Microwave Background

    Geach, J. E., Peacock, J. A., Myers, A. D., Hickox, R. C., Burchard, M. C. & Jones, M. L., 27 Mar 2019, In : The Astrophysical Journal. 874, 1, p. 1-6 6 p., 85.

    Research output: Contribution to journalArticle

  12. The case for a 'sub-millimeter SDSS': a 3D map of galaxy evolution to z~10

    Geach, J. E., Banerji, M., Bertoldi, F., Bethermin, M., Casey, C. M., Chen, C-C., Clements, D. L., Cicone, C., Combes, F., Conselice, C., Cooray, A., Coppin, K., Daddi, E., Dannerbauer, H., Dave, R., Doherty, M., Dunlop, J. S., Edge, A., Farrah, D., Franco, M. & 36 othersFuller, G., Garratt, T., Gear, W., Greve, T. R., Hatziminaoglou, E., Hayward, C. C., Ivison, R. J., Kawabe, R., Klaassen, P., Knudsen, K. K., Kohno, K., Koprowski, M., Lagos, C. D. P., Magdis, G. E., Magnelli, B., McGee, S. L., Michalowski, M., Mroczkowski, T., Noroozian, O., Oliver, S., Riechers, D., Rujopakarn, W., Scott, D., Serjeant, S., Smith, M. W. L., Swinbank, M., Tamura, Y., Werf, P. V. D., Kampen, E. V., Verma, A., Vieira, J., Wagg, J., Walter, F., Wang, L., Wootten, A. & Yun, M. S., 12 Mar 2019, In : Bulletin of the American Astronomical Society.

    Research output: Contribution to journalArticle

  13. The relationship between dust and [C I] at z = 1 and beyond

    Bourne, N., Dunlop, J. S., Simpson, J. M., Rowlands, K. E., Geach, J. E. & McLeod, D. J., 1 Jan 2019, In : Monthly Notices of the Royal Astronomical Society. 482, 3, p. 3135-3161 27 p.

    Research output: Contribution to journalArticle

  14. 2018
  15. The nature of the variable millimetre-selected AGN in the Brightest Cluster Galaxy of Abell 851

    Cheale, R. A., Geach, J. E., Edge, A. C., Perrott, Y. C. & Cantwell, T., 21 Nov 2018, In : Monthly Notices of the Royal Astronomical Society: Letters. 481, 1, p. L54–L58 5 p.

    Research output: Contribution to journalArticle

  16. A Magnified View of Circumnuclear Star Formation and Feedback around an Active Galactic Nucleus at z = 2.6

    Geach, J. E., Ivison, R. J., Dye, S. & Oteo, I., 10 Oct 2018, In : Astrophysical Journal Letters. 866, 1, p. 1-7 7 p., L12.

    Research output: Contribution to journalArticle

  17. A direct calibration of the IRX-β relation in Lyman-break Galaxies at z=3-5

    Koprowski, M. P., Coppin, K. E. K., Geach, J. E., McLure, R. J., Almaini, O., Blain, A. W., Bremer, M., Bourne, N., Chapman, S. C., Conselice, C. J., Dunlop, J. S., Farrah, D., Hartley, W., Karim, A., Knudsen, K. K., Michałowski, M. J., Scott, D., Simpson, C., Smith, D. J. B. & Werf, P. P. V. D., Oct 2018, In : Monthly Notices of the Royal Astronomical Society. 479, 4, p. 4355–4366 12 p.

    Research output: Contribution to journalArticle

  18. Violent quenching: Molecular Gas Blown to 1000 km s -1 during a Major Merger

    Geach, J. E., Tremonti, C., Diamond-Stanic, A. M., Sell, P. H., Kepley, A. A., Coil, A. L., Rudnick, G., Hickox, R. C., Moustakas, J. & Yang, Y., 23 Aug 2018, In : Astrophysical Journal Letters. 864, 1, p. 1 5 p., L1.

    Research output: Contribution to journalArticle

  19. A machine-learning method for identifying multi-wavelength counterparts of submillimeter galaxies: training and testing using AS2UDS and ALESS

    An, F., Stach, S. M., Smail, I., Swinbank, A. M., Almaini, O., Hartley, W., Maltby, D. T., Ivison, R. J., Arumugam, V., Wardlow, J. L., Cooke, E. A., Gullberg, B., Chen, C-C., Geach, J. E., Scott, D., Dunlop, J. S., Farrah, D., Werf, P. V. D., Blain, A. W., Conselice, C. & 3 othersMichałowski, M. J., Chapman, S. C. & Coppin, K. E. K., 27 Jul 2018, In : The Astrophysical Journal. 862, 2, 101.

    Research output: Contribution to journalArticle

  20. An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: number counts of submillimeter galaxies

    Stach, S. M., Smail, I., Swinbank, A. M., Geach, J. E., An, F. X., Almaini, O., Arumugam, V., Blain, A. W., Chapman, S. C., Conselice, C. J., Cooke, E. A., Coppin, K. E. K., Dunlop, J. S., Farrah, D., Gullberg, B., Hartley, W., Ivison, R. J., Maltby, D. T., Michałowski, M. J., Scott, D. & 2 othersWardlow, J. L. & Werf, P. V. D., 25 Jun 2018, In : The Astrophysical Journal. 860, 2, 161.

    Research output: Contribution to journalArticle

  21. Red, redder, reddest: SCUBA-2 imaging of colour-selected Herschel sources

    Duivenvoorden, S., Oliver, S., Scudder, J. M., Greenslade, J., Riechers, D. A., Wilkins, S. M., Buat, V., Chapman, S. C., Clements, D. L., Cooray, A., Coppin, K. E. K., Dannerbauer, H., Zotti, G. D., Dunlop, J. S., Eales, S. A., Efstathiou, A., Farrah, D., Geach, J. E., Holland, W. S., Hurley, P. D. & 11 othersIvison, R. J., Marchetti, L., Petitpas, G., Sargent, M. T., Scott, D., Symeonidis, M., Vaccari, M., Vieira, J. D., Wang, L., Wardlow, J. & Zemcov, M., 11 Jun 2018, In : Monthly Notices of the Royal Astronomical Society. 477, 1, p. 1099–1119 21 p., sty691.

    Research output: Contribution to journalArticle

  22. High-resolution SMA imaging of bright submillimetre sources from the SCUBA-2 Cosmology Legacy Survey

    Hill, R., Chapman, S. C., Scott, D., Petitpas, G., Smail, I., Chapin, E. L., Gurwell, M. A., Perry, R., Blain, A. W., Bremer, M. N., Chen, C-C., Dunlop, J. S., Farrah, D., Fazio, G. G., Geach, J. E., Howson, P., Ivison, R. J., Lacaille, K., Michalowski, M. J., Simpson, J. M. & 3 othersSwinbank, A. M., van der Werf, P. P. & Wilner, D. J., 1 Jun 2018, In : Monthly Notices of the Royal Astronomical Society. 477, 2, p. 2042-2067 26 p.

    Research output: Contribution to journalArticle

  23. Dust attenuation in 2<z<3 star-forming galaxies from deep ALMA observations of the Hubble Ultra Deep Field

    McLure, R. J., Dunlop, J. S., Cullen, F., Bourne, N., Best, P. N., Khochfar, S., Bowler, R. A. A., Biggs, A. D., Geach, J. E., Scott, D., Michalowski, M. J., Rujopakarn, W., Kampen, E. V., Kirkpatrick, A. & Pope, A., 21 May 2018, In : Monthly Notices of the Royal Astronomical Society. 476, 3, p. 3991-4006 16 p.

    Research output: Contribution to journalArticle

  24. The dust and [CII] morphologies of redshift ~4.5 sub-millimeter galaxies at ~200pc resolution: The Absence of Large Clumps in the Interstellar Medium at High-redshift

    Gullberg, B., Swinbank, A. M., Smail, I., Biggs, A. D., Bertoldi, F., Breuck, C. D., Chapman, S. C., Chen, C. -C., Cooke, E. A., Coppin, K. E. K., Cox, P., Dannerbauer, H., Dunlop, J. S., Edge, A. C., Farrah, D., Geach, J. E., Greve, T. R., Hodge, J., Ibar, E., Ivison, R. J. & 10 othersKarim, A., Schinnerer, E., Scott, D., Simpson, J. M., Stach, S. M., Thomson, A. P., Werf, P. V. D., Walter, F., Wardlow, J. L. & Weiss, A., 17 May 2018, In : The Astrophysical journal. 859, 1, 12.

    Research output: Contribution to journalArticle

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