University of Hertfordshire

Dr Sugata Kaviraj

Reader

Sugata Kaviraj

Dr Sugata Kaviraj

Reader

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

Publications

  1. 2020
  2. Why do extremely massive disc galaxies exist today?

    Jackson, R. A., Martin, G., Kaviraj, S., Laigle, C., Devriendt, J., Dubois, Y. & Pichon, C., 1 Jun 2020, In : Monthly Notices of the Royal Astronomical Society. 494, 4, p. 5568–5575 8 p.

    Research output: Contribution to journalArticle

  3. 2019
  4. Massive spheroids can form in single minor mergers

    Jackson, R. A., Martin, G., Kaviraj, S., Laigle, C., Devriendt, J. E. G., Dubois, Y. & Pichon, C., 1 Nov 2019, In : Monthly Notices of the Royal Astronomical Society. 489, 4, p. 4679-4689 11 p.

    Research output: Contribution to journalArticle

  5. 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

  6. AGN in dwarf galaxies: frequency, triggering processes and the plausibility of AGN feedback

    Kaviraj, S., Martin, G. & Silk, J., 1 Oct 2019, In : Monthly Notices of the Royal Astronomical Society. 489, 1, p. L12–L16 5 p., slz102.

    Research output: Contribution to journalArticle

  7. The formation and evolution of low-surface-brightness galaxies

    Martin, G., Kaviraj, S., Laigle, C., Devriendt, J. E. G., Jackson, R. A., Peirani, S., Dubois, Y., Pichon, C. & Slyz, A., 1 May 2019, In : Monthly Notices of the Royal Astronomical Society. 485, 1, p. 796-818 23 p.

    Research output: Contribution to journalArticle

  8. ALMA observations of massive molecular gas reservoirs in dusty early-type galaxies

    Sansom, A. E., Glass, D. H. W., Bendo, G. J., Davis, T. A., Rowlands, K., Bourne, N., Dunne, L., Eales, S., Kaviraj, S., Popescu, C., Smith, M. & Viaene, S., 1 Feb 2019, In : Monthly Notices of the Royal Astronomical Society. 482, 4, p. 4617–4629 13 p.

    Research output: Contribution to journalArticle

  9. 2018
  10. Transfer learning for galaxy morphology from one survey to another

    Sánchez, H. D., Huertas-Company, M., Bernardi, M., Kaviraj, S., Fischer, J. L., Abbott, T. M. C., Abdalla, F. B., Annis, J., Avila, S., Buckley-Geer, E., Rosell, A. C., Kind, M. C., Carretero, J., Cunha, C. E., D'Andrea, C. B., Costa, L. N. D., Davis, C., Vicente, J. D., Doel, P., Evrard, A. E. & 34 others, Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hartley, W. G., Hollowood, D. L., Honscheid, K., Hoyle, B., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., March, M., Melchior, P., Menanteau, F., Miquel, R., Nord, B., Plazas, A. A., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Walker, A. R. & Zuntz, J., 28 Dec 2018, In : Monthly Notices of the Royal Astronomical Society. 484, 1, p. 93-100 8 p.

    Research output: Contribution to journalArticle

  11. The role of mergers in driving morphological transformation over cosmic time

    Martin, G., Kaviraj, S., Devriendt, J. E. G., Dubois, Y. & Pichon, C., 1 Oct 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 2, p. 2266–2283 18 p.

    Research output: Contribution to journalArticle

  12. A catalogue of faint local radio AGN and the properties of their host galaxies

    Lofthouse, E. K., Kaviraj, S., Smith, D. J. B. & Hardcastle, M. J., 1 Sep 2018, In : Monthly Notices of the Royal Astronomical Society. 479, 1, p. 807-816 10 p.

    Research output: Contribution to journalArticle

  13. Normal black holes in bulge-less galaxies: the largely quiescent, merger-free growth of black holes over cosmic time

    Martin, G., Kaviraj, S., Volonteri, M., Simmons, B. D., Devriendt, J. E. G., Lintott, C. J., Smethurst, R. J., Dubois, Y. & Pichon, C., 11 May 2018, In : Monthly Notices of the Royal Astronomical Society. 476, 2, p. 2801-2812 12 p., sty324.

    Research output: Contribution to journalArticle

  14. Identifying the progenitors of present-day early-type galaxies in observational surveys: correcting `progenitor bias' using the Horizon-AGN simulation

    Martin, G., Kaviraj, S., Devriendt, J. E. G., Dubois, Y., Pichon, C. & Laigle, C., 1 Mar 2018, In : Monthly Notices of the Royal Astronomical Society. 474, 3, p. 3140–3151 12 p.

    Research output: Contribution to journalArticle

  15. 2017
  16. Density profile of dark matter haloes and galaxies in the Horizon-AGN simulation: the impact of AGN feedback

    Peirani, S., Dubois, Y., Volonteri, M., Devriendt, J. E. G., Bundy, K., Silk, J., Pichon, C., Kaviraj, S., Gavazzi, R. & Habouzit, M., 1 Dec 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 2, p. 2153-2169 17 p., stx2099.

    Research output: Contribution to journalArticle

  17. Cosmic evolution of stellar quenching by AGN feedback: clues from the Horizon-AGN simulation

    Beckmann, R. S., Devriendt, J. E. G., Slyz, A., Peirani, S., Richardson, M. L. A., Dubois, Y., Pichon, C., Chisari, N. E., Kaviraj, S., Laigle, C. & Volonteri, M., 21 Nov 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 1, p. 949-965 17 p.

    Research output: Contribution to journalArticle

  18. The limited role of galaxy mergers in driving stellar mass growth over cosmic time

    Martin, G., Kaviraj, S., Devriendt, J. E. G., Dubois, Y., Laigle, C. & Pichon, C., 21 Nov 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 1, p. L50-L54 5 p., slx136.

    Research output: Contribution to journalArticle

  19. Local analogues of high-redshift star-forming galaxies: integral field spectroscopy of green peas

    Lofthouse, E. K., Houghton, R. C. W. & Kaviraj, S., 21 Oct 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 2, p. 2311-2320 10 p., stx1627.

    Research output: Contribution to journalArticle

  20. Galaxy Zoo: major galaxy mergers are not a significant quenching pathway

    Weigel, A. K., Schawinski, K., Caplar, N., Carpineti, A., Hart, R. E., Kaviraj, S., Keel, W. C., Kruk, S. J., Lintott, C. J., Nichol, R. C., Simmons, B. D. & Smethurst, R. J., 21 Aug 2017, In : The Astrophysical Journal. 845, 2

    Research output: Contribution to journalArticle

  21. The Horizon-AGN simulation: evolution of galaxy properties over cosmic time

    Kaviraj, S., Laigle, C., Kimm, T., Devriendt, J. E. G., Dubois, Y., Pichon, C., Slyz, A., Chisari, E. & Peirani, S., 1 Jun 2017, In : Monthly Notices of the Royal Astronomical Society. 467, 4, p. 4739-4752 stx126.

    Research output: Contribution to journalArticle

  22. Major mergers are not significant drivers of star formation or morphological transformation around the epoch of peak cosmic star formation

    Lofthouse, E. K., Kaviraj, S., Conselice, C. J., Mortlock, A. & Hartley, W., 1 Mar 2017, In : Monthly Notices of the Royal Astronomical Society. 465, 3, p. 2895-2900 5 p.

    Research output: Contribution to journalArticle

  23. Delayed triggering of radio Active Galactic Nuclei in gas-rich minor mergers in the local Universe

    Shabala, S., Deller, A., Kaviraj, S., Middelberg, E., Turner, R., Ting, Y-S., Allison, J. & Davis, T., 1 Feb 2017, In : Monthly Notices of the Royal Astronomical Society. 464, 4, p. 4706-4720 16 p.

    Research output: Contribution to journalArticle

  24. Galaxy Zoo: Quantitative Visual Morphological Classifications for 48,000 galaxies from CANDELS

    Simmons, B. D., Lintott, C., Willett, K. W., Masters, K. L., Kartaltepe, J. S., Häußler, B., Kaviraj, S., Krawczyk, C., Kruk, S. J., McIntosh, D. H., Smethurst, R. J., Nichol, R. C., Scarlata, C., Schawinski, K., Conselice, C. J., Almaini, O., Ferguson, H. C., Fortson, L., Hartley, W., Kocevski, D. & 28 others, Koekemoer, A. M., Mortlock, A., Newman, J. A., Bamford, S. P., Grogin, N. A., Lucas, R. A., Hathi, N. P., McGrath, E., Peth, M., Pforr, J., Rizer, Z., Wuyts, S., Barro, G., Bell, E. F., Castellano, M., Dahlen, T., Ownsworth, A. D. J., Faber, S. M., Finkelstein, S. L., Fontana, A., Galametz, A., Grützbauch, R., Koo, D., Lotz, J., Mobasher, B., Mozena, M., Salvato, M. & Wiklind, T., 1 Feb 2017, In : Monthly Notices of the Royal Astronomical Society. 464, 4, p. 4420-4447 28 p.

    Research output: Contribution to journalArticle

  25. 2016
  26. H-ATLAS/GAMA: The nature and characteristics of optically red galaxies detected at submillimetre wavelengths

    Dariush, A., Dib, S., Hony, S., Smith, D. J. B., Zhukovska, S., Dunne, L., Eales, S., Andrae, E., Baes, M., Baldry, I., Bauer, A., Bland-Hawthorn, J., Brough, S., Bourne, N., Cava, A., Clements, D., Cluver, M., Cooray, A., Zotti, G. D., Driver, S. & 22 others, Grootes, M. W., Hopkins, A. M., Hopwood, R., Kaviraj, S., Kelvin, L., Lara-Lopez, M. A., Liske, J., Loveday, J., Maddox, S., Madore, B., Michalowski, M. J., Pearson, C., Popescu, C., Robotham, A., Rowlands, K., Seibert, M., Shabani, F., Smith, M. W. L., Taylor, E. N., Tuffs, R., Valiante, E. & Virdee, J. S., 21 Feb 2016, In : Monthly Notices of the Royal Astronomical Society. 456, 2, p. 2221-2259

    Research output: Contribution to journalArticle

  27. Cold-gas outflows in typical low-redshift galaxies are driven by star formation, not AGN

    Sarzi, M., Kaviraj, S., Nedelchev, B., Tiffany, J., Shabala, S. S., Deller, A. T. & Middleberg, E., 11 Feb 2016, In : Monthly Notices of the Royal Astronomical Society. 456, 1, p. L35-L29

    Research output: Contribution to journalArticle

  28. 2015
  29. Radio AGN in spiral galaxies

    Kaviraj, S., Shabala, S. S., Deller, A. T. & Middelberg, E., 1 Dec 2015, In : Monthly Notices of the Royal Astronomical Society. 454, 2, p. 1595-1604 10 p.

    Research output: Contribution to journalArticle

Previous 1 2 3 4 5 Next