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Mr Thomas Collett

Senior Research Fellow

  1. 2019
  2. Published

    H0LiCOW – X. Spectroscopic/imaging survey and galaxy-group identification around the strong gravitational lens system WFI 2033−4723

    Sluse, D., Rusu, C. E., Fassnacht, C. D., Sonnenfeld, A., Richard, J., Auger, M. W., Coccato, L., Wong, K. C., Suyu, S. H., Treu, T. & 58 others, Agnello, A., Birrer, S., Bonvin, V., Mr Thomas Collett, Courbin, F., Hilbert, S., Koopmans, L. V. E., Tihhanova, O., Marshall, P. J., Meylan, G., Shajib, A. J., Annis, J., Avila, S., Bertin, E., Brooks, D., Buckley-Geer, E., Burke, D. L., Rosell, A. C., Kind, M. C., Carretero, J., Castander, F. J., Costa, L. N. D., Vicente, J. D., Desai, S., Doel, P., Evrard, A. E., Flaugher, B., Frieman, J., García-Bellido, J., Gerdes, D. W., Goldstein, D. A., Gruendl, R. A., Gschwend, J., Hartley, W. G., Hollowood, D. L., Honscheid, K., James, D. J., Kim, A. G., Krause, E., Kuehn, K., Kuropatkin, N., Lima, M., Lin, H., Maia, M. A. G., Marshall, J. L., Melchior, P., Menanteau, F., Miquel, R., Plazas, A. A., Sanchez, E., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C. & Tarle, G., Nov 2019, In : Monthly Notices of the Royal Astronomical Society. 490, 1, p. 613-633

    Research output: Contribution to journalArticle

  3. Accepted for publication

    Model-independent determination of H0 and ΩK0 from strong lensing and type Ia supernovae

    Mr Thomas Collett, Montanari, F. & Rasanen, S., 31 Oct 2019, (Accepted for publication) In : Physical Review Letters.

    Research output: Contribution to journalArticle

  4. Published

    An extended catalog of galaxy-galaxy strong gravitational lenses discovered in DES using convolutional neural networks

    Dark Energy Survey Collaboration, Mr Thomas Collett & Avila, S., 19 Jul 2019, In : The Astrophysical Journal Supplement Series. 243, 1, 11 p., 17.

    Research output: Contribution to journalArticle

  5. Published

    First cosmological results using type Ia supernovae from the Dark Energy Survey: measurement of the Hubble Constant

    Dark Energy Survey Collaboration, Macaulay, E., Professor Bob Nichol, Dr David Bacon, D'Andrea, C. B., Avila, S., Mr Thomas Collett, Elizabeth Samantha Swann & Professor Daniel Thomas, Jun 2019, In : Monthly Notices of the Royal Astronomical Society. 486, 2, p. 2184–2196

    Research output: Contribution to journalArticle

  6. Published

    Automated lensing learner: automated strong lensing identification with a computer vision technique

    Avestruz, C., Li, N., Zhu, H., Lightman, M., Mr Thomas Collett & Luo, W., 24 May 2019, In : The Astrophysical Journal. 877, 1, p. 1-19 19 p., 58.

    Research output: Contribution to journalArticle

  7. Published

    Finding high-redshift strong lenses in DES using convolutional neural networks

    Jacobs, C., Collett, T., Glazebrook, K., McCarthy, C., Qin, A. K., Abbott, T. M. C., Abdalla, F. B., Annis, J., Avila, S., Bechtol, K. & 56 others, Bertin, E., Brooks, D., Buckley-Geer, E., Burke, D. L., Rosell, A. C., Kind, M. C., Carretero, J., Costa, L. N. D., Davis, C., Vicente, J. D., Desai, S., Diehl, H. T., Doel, P., Eifler, T. F., Flaugher, B., Frieman, J., Bellido, J. G., Gaztanaga, E., Gerdes, D. W., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hartley, W. G., Hollowood, D. L., Honscheid, K., Hoyle, B., James, D. J., Kuehn, K., Kuropatkin, N., Lahav, O., Li, T. S., Lima, M., Lin, H., Maia, M. A. G., Martini, P., Miller, C. J., Miquel, R., Nord, B., Plazas, A. A., Sanchez, E., Scarpine, V., Schubnell, M., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Vikram, V., Walker, A. R., Zhang, Y. & Zuntz, J., 21 Apr 2019, In : MNRAS. 484, 4, p. 5330-5349 20 p.

    Research output: Contribution to journalArticle

  8. Published

    Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 12 quadruply+ imaged quasars

    Shajib, A. J., Birrer, S., Treu, T., Auger, M. W., Agnello, A., Anguita, T., Buckley-Geer, E. J., Chan, J. H. H., Collett, T. E., Courbin, F. & 63 others, Fassnacht, C. D., Frieman, J., Kayo, I., Lemon, C., Lin, H., Marshall, P. J., McMahon, R., More, A., Morgan, N. D., Motta, V., Oguri, M., Ostrovski, F., Rusu, C. E., Schechter, P. L., Shanks, T., Suyu, S. H., Meylan, G., Abbott, T. M. C., Allam, S., Annis, J., Avila, S., Bertin, E., Brooks, D., Rosell, A. C., Kind, M. C., Carretero, J., Cunha, C. E., Costa, L. N. D., Vicente, J. D., Desai, S., Doel, P., Flaugher, B., Fosalba, P., García-Bellido, J., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hollowood, D. L., Hoyle, B., James, D. J., Kuehn, K., Kuropatkin, N., Lahav, O., Lima, M., Maia, M. A. G., March, M., Marshall, J. L., Melchior, P., Menanteau, F., Miquel, R., Plazas, A. A., Sanchez, E., Scarpine, V., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G. & Walker, A. R., 11 Mar 2019, In : Monthly Notices of the Royal Astronomical Society. 483, 4, p. 5649–5671

    Research output: Contribution to journalArticle

  9. 2018
  10. Published

    The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign. I. Overview and classification of candidates selected by two techniques

    Treu, T., Agnello, A., Baumer, M. A., Birrer, S., Buckley-Geer, E. J., Courbin, F., Kim, Y. J., Lim, H., Marshall, P. J., Nord, B. & 72 others, Schechter, P. L., Sivakumar, P. R., Abramson, L. E., Anguita, T., Apostolovski, Y., Auger, M. W., Chan, J. H. H., Chen, G. C. F., Mr Thomas Collett, Fassnacht, C. D., Hsueh, J. -W., Lemon, C., McMahon, R. G., Motta, V., Ostrovski, F., Rojas, K., Rusu, C. E., Williams, P., Frieman, J., Meylan, G., Suyu, S. H., Abbott, T. M. C., Abdalla, F. B., Allam, S., Annis, J., Avila, S., Banerji, M., Brooks, D., Rosell, A. C., Kind, M. C., Carretero, J., Castander, F. J., D'Andrea, C. B., Costa, L. N. D., Vicente, J. D., Doel, P., Eifler, T. F., Flaugher, B., Fosalba, P., García-Bellido, J., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hollowood, D., Honscheid, K., James, D. J., Kuehn, K., Kuropatkin, N., Lima, M., Maia, M. A. G., Martini, P., Menanteau, F., Miquel, R., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Smith, R. C., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Professor Daniel Thomas, Tucker, D. L. & Walker, A. R., 21 Nov 2018, In : Monthly Notices of the Royal Astronomical Society. 481, 1, p. 1041–1054

    Research output: Contribution to journalArticle

  11. Published

    Serendipitous discovery of a strong-lensed galaxy in integral field spectroscopy from MUSE

    Galbany, L., Mr Thomas Collett, Méndez-Abreu, J., Sánchez, S. F., Anderson, J. P. & Kuncarayakti, H., 1 Sep 2018, In : Monthly Notices of the Royal Astronomical Society. 479, 1, p. 262-274 13 p.

    Research output: Contribution to journalArticle

  12. Published

    The impact of microlensing on the standardisation of strongly lensed Type Ia supernovae

    Max Foxley-Marrable, Mr Thomas Collett, Vernardos, G., Goldstein, D. A. & Dr David Bacon, 21 Aug 2018, In : Monthly Notices of the Royal Astronomical Society. 478, 4, p. 5081-5090 10 p.

    Research output: Contribution to journalArticle

  13. Published

    A precise extragalactic test of General Relativity

    Mr Thomas Collett, Oldham, L., Smith, R., Auger, M. W., Westfall, K., Dr David Bacon, Professor Bob Nichol, Masters, K., Professor Kazuya Koyama & Van Den Bosch, R. C. E., 22 Jun 2018, In : Science. 360, 6395, p. 1342-1346 5 p.

    Research output: Contribution to journalArticle

  14. Early online

    SDSS-IV MaNGA: the spectroscopic discovery of strongly lensed galaxies

    Talbot, M. S., Brownstein, J. R., Bolton, A. S., Bundy, K., Andrews, B. H., Cherinka, B., Collett, T. E., More, A., More, S., Sonnenfeld, A. & 4 others, Vegetti, S., Wake, D. A., Weijmans, A-M. & Westfall, K. B., 10 Mar 2018, In : Monthly Notices of the Royal Astronomical Society.

    Research output: Contribution to journalArticle

  15. Published

    Precise time delays from strongly gravitationally lensed type Ia supernovae with chromatically microlensed images

    Goldstein, D. A., Nugent, P. E., Kasen, D. N. & Mr Thomas Collett, 1 Mar 2018, In : The Astrophysical Journal. 855, 1, 15 p., 22.

    Research output: Contribution to journalArticle

  16. Published

    CMU DeepLens: deep learning for automatic image-based galaxy-galaxy strong lens finding

    Lanusse, F., Ma, Q., Li, N., Mr Thomas Collett, Li, C-L., Ravanbakhsh, S., Mandelbaum, R. & Poczos, B., Jan 2018, In : Monthly Notices of the Royal Astronomical Society. 473, 3, p. 3895–3906

    Research output: Contribution to journalArticle

  17. 2017
  18. Published

    Models of the strongly lensed quasar DES J0408-5354

    Agnello, A., Lin, H., Buckley-Geer, L., Treu, T., Bonvin, V., Courbin, F., Lemon, C., Morishita, T., Amara, A., Auger, M. W. & 74 others, Birrer, S., Chan, J., Mr Thomas Collett, More, A., Fassnacht, C. D., Frieman, J., Marshall, P. J., McMahon, R. G., Meylan, G., Suyu, S. H., Castander, F., Finley, D., Howell, A., Kochanek, C., Makler, M., Martini, P., Morgan, N., Nord, B., Ostrovski, F., Schechter, P., Tucker, D., Wechsler, R., Abbott, T. M. C., Abdalla, F. B., Allam, S., Benoit-Lévy, A., Bertin, E., Brooks, D., Burke, D. L., Rosell, A. C., Kind, M. C., Carretero, J., Crocce, M., Cunha, C. E., D'Andrea, C. B., Costa, L. N. D., Desa, S., Dietrich, J. P., Eifler, T. F., Flaugher, B., Fosalba, P., García-Bellido, J., Gaztanaga, E., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Honscheid, K., James, D. J., Kuehn, K., Kuropatkin, N., Li, T. S., Lima, M., Maia, M. A. G., March, M., Marshall, J. L., Melchior, P., Menanteau, F., Miquel, R., Ogando, R. L. C., Plazas, A. A., Romer, A. K., Sanchez, E., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, R. C., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Professor Daniel Thomas & Walker, A. R., Dec 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 4, p. 4038–4050

    Research output: Contribution to journalArticle

  19. Published

    H0LiCOW VII: cosmic evolution of the correlation between black hole mass and host galaxy luminosity

    Ding, X., Treu, T., Suyu, S. H., Wong, K. C., Morishita, T., Park, D., Sluse, D., Auger, M. W., Agnello, A., Bennert, V. N. & 1 others, Mr Thomas Collett, 21 Nov 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 1, p. 90-103 14 p.

    Research output: Contribution to journalArticle

  20. Published

    Finding strong lenses in CFHTLS using convolutional neural networks

    Jacobs, C., Glazebrook, K., Mr Thomas Collett, More, A. & McCarthy, C., 11 Oct 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 1, p. 167-181 15 p.

    Research output: Contribution to journalArticle

  21. Published

    The DES Bright Arcs Survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 Observations

    Diehl, H. T., Buckley-geer, E. J., Lindgren, K. A., Nord, B., Gaitsch, H., Gaitsch, S., Lin, H., Allam, S., Collett, T. E., Furlanetto, C. & 68 others, Gill, M. S. S., More, A., Nightingale, J., Odden, C., Pellico, A., Tucker, D. L., Costa, L. N. D., Neto, A. F., Kuropatkin, N., Soares-santos, M., Welch, B., Zhang, Y., Frieman, J. A., Abdalla, F. B., Annis, J., Benoit-lévy, A., Bertin, E., Brooks, D., Burke, D. L., Rosell, A. C., Kind, M. C., Carretero, J., Cunha, C. E., D’andrea, C. B., Desai, S., Dietrich, J. P., Drlica-wagner, A., Evrard, A. E., Finley, D. A., Flaugher, B., García-bellido, J., Gerdes, D. W., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., James, D. J., Kuehn, K., Kuhlmann, S., Lahav, O., Li, T. S., Lima, M., Maia, M. A. G., Marshall, J. L., Menanteau, F., Miquel, R., Professor Bob Nichol, Nugent, P., Ogando, R. L. C., Plazas, A. A., Reil, K., Romer, A. K., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-noarbe, I., Sheldon, E., Smith, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Professor Daniel Thomas & Walker, A. R., 22 Sep 2017, In : The Astrophysical Journal Supplement Series. 232, 1, p. 15

    Research output: Contribution to journalArticle

  22. Published

    Core or cusps: the central dark matter profile of a redshift one strong lensing cluster with a bright central image at Redshift 1

    Collett, T. E., Buckley-Geer, E. J., Lin, H., Bacon, D., Nichol, R. C., Nord, B., Morice-Atkinson, X., Amara, A., Birrer, S., Kuropatkin, N. & 51 others, More, A., Papovich, C., Romer, A. K., Tessore, N., Abbott, T. M. C., Allam, S. S., Annis, J., Benoit-Lévy, A., Brooks, D., Burke, D. L., Kind, M. C., Castander, F. J., D'Andrea, C. B., Costa, L. A. N. D., Desai, S., Diehl, H. T., Doel, P., Eifler, T. F., Flaugher, B., Frieman, J., Gerdes, D. W., Goldstein, D. A., Gruen, D., Gschwend, J., Gutierrez, G. R., James, D. J., Kuehn, K., Kuhlmann, S., Lahav, O., Li, T. S., Lima, M., Maia, M. A. G., March, M. C., Marshall, J. L., Martini, P., Melchior, P., Miquel, R., Plazas, A. A., Rykoff, E. S., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D. L. & Walker, A. R., 14 Jul 2017, In : The Astrophysical Journal. 843, 2, 148.

    Research output: Contribution to journalArticle

  23. Published

    H0LiCOW – I. H0 Lenses in COSMOGRAIL's wellspring: program overview

    Suyu, S. H., Bonvin, V., Courbin, F., Fassnacht, C. D., Rusu, C. E., Sluse, D., Treu, T., Wong, K. C., Auger, M. W., Ding, X. & 14 others, Hilbert, S., Marshall, P. J., Rumbaugh, N., Sonnenfeld, A., Tewes, M., Tihhonova, O., Agnello, A., Blandford, R. D., Chen, G. C. -F., Mr Thomas Collett, Koopmans, L. V. E., Liao, K., Meylan, G. & Spiniello, C., Jul 2017, In : Monthly Notices of the Royal Astronomical Society. 468, 3, p. 2590-2604

    Research output: Contribution to journalArticle

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ID: 1736708