Dr Cullan Howlett
OzGrav Research Fellow
School of Mathematics and Physics
Physics Annexe (06), Room 410
Researcher biography
I am a Senior Research Fellow in Cosmology based in the School of Mathematics and Physics. I work on making maps of the positions and motions of millions of galaxies in our Universe to uncover how it has evolved since the Big Bang. Current observations suggest 95% of our Universe consists of ellusive Dark Matter and Dark Energy; we can detect these by the influence they have on the light from galaxies, stars and that permeates the background Universe itself, but they don't emit light themselves and we have no idea yet what they are. My research seeks to uncover these using the largest galaxy surveys in the world.
I have been involved in planning, carrying out, and analysing a large number of these surveys. I currently working groups in the American-led Dark Energy Spectroscopic Instrument (DESI) project, the WALLABY survey based in Western Australia, and the 4MOST Hemisphere Survey (4HS) which will be carried out from Chile. Combined, these will produce the most detailed maps of galaxy positions and motions ever created --- over 40,000,000 unique galaxies!
My personal research makes use of state-of-the art computing techniques to simulate the distributions of these galaxies, their properties, and how fast they are moving. I then analyse these distributions using different statistical techniques and compare to the real data. The properties of Dark Matter and Dark Energy and all the other things that make up our Universe can then be extracted by modelling these statistics with theoretical models, or looking for discrepancies between the simulations and the data. My hope is that by doing so, we are currently on the cusp of uncovering something fundamental about how the Universe came to be the way it is today, and what will happen to it in the future.
Academic Background
- Undergraduate: MPhys 1st Class Honours - University of Sussex, 2008-2012
- Postgraduate: PhD - University of Portmouth, 2012-2016
- Research Associate - University of Western Australia, 2015-2019
- Research Fellow in Cosmology - University of Queensland, 2019-
Journal Articles
Soumagnac, Maayane T., Nugent, Peter, Knop, Robert A., Ho, Anna Y. Q., Hohensee, William, Awbrey, Autumn, Andersen, Alexis, Aldering, Greg, Ventura, Matan, Aguilar, Jessica N., Ahlen, Steven, Benzvi, Segev Y., Brooks, David, Brout, Dillon, Claybaugh, Todd, Davis, Tamara M., Dawson, Kyle, de la Macorra, Axel, Dey, Arjun, Dey, Biprateep, Doel, Peter, Douglass, Kelly A., Forero-Romero, Jaime E., Gaztañaga, Enrique, Gontcho A Gontcho, Satya, Graur, Or, Guy, Julien, Hahn, ChangHoon, Honscheid, Klaus ... Zhou, Zhimin (2024). The MOST Hosts Survey: Spectroscopic Observation of the Host Galaxies of ∼40,000 Transients Using DESI. The Astrophysical Journal Supplement Series, 275 (2), 22. doi: 10.3847/1538-4365/ad76ae
Rauf, Liana, Howlett, Cullan, Stevenson, Simon, Riley, Jeff and Willcox, Reinhold (2024). A trifecta of modelling tools: A bayesian binary black hole model selection combining population synthesis and galaxy formation models. Monthly Notices of the Royal Astronomical Society, 534 (4), 3506-3539. doi: 10.1093/mnras/stae2288
Lamman, Claire, Eisenstein, Daniel, Forero-Romero, Jaime E, Aguilar, Jessica Nicole, Ahlen, Steven, Bailey, Stephen, Bianchi, Davide, Brooks, David, Claybaugh, Todd, de la Macorra, Axel, Doel, Peter, Ferraro, Simone, Font-Ribera, Andreu, Gaztañaga, Enrique, Gontcho, Satya Gontcho A, Gutierrez, Gaston, Honscheid, Klaus, Howlett, Cullan, Kremin, Anthony, Lambert, Andrew, Landriau, Martin, Le Guillou, Laurent, Levi, Michael E, Meisner, Aaron, Miquel, Ramon, Moustakas, John, Newman, Jeffrey A, Niz, Gustavo, Prada, Francisco ... Zou, Hu (2024). Detection of the large-scale tidal field with galaxy multiplet alignment in the DESI Y1 spectroscopic survey. Monthly Notices of the Royal Astronomical Society, 534 (4), 3540-3551. doi: 10.1093/mnras/stae2290
Novell-Masot, Sergi, Gil-Marin, Hector, Verde, Licia, Aguilar, J., Ahlen, S., Brieden, S., Brooks, D., Claybaugh, T., de la Macorra, A., Forero-Romero, J. E., Gaztañaga, E., Gontcho, S.Gontcho A., Gutierrez, G., Honscheid, K., Howlett, C., Kehoe, R., Kisner, T., Lambert, A., Levi, M. E., Manera, M., Meisner, A., Miquel, R., Niz, G., Prada, F., Rossi, G., Sanchez, E., Schubnell, M., Seo, H., Sprayberry, D. ... Weaver, B. A. (2024). Catalog-level blinding on the bispectrum for DESI-like galaxy surveys. Journal of Cosmology and Astroparticle Physics, 2024 (10) 089, 089. doi: 10.1088/1475-7516/2024/10/089
Calderon, R., Lodha, K., Shafieloo, A., Linder, E., Sohn, W., de Mattia, A., Cervantes-Cota, J.L., Crittenden, R., Davis, T.M., Ishak, M., Kim, A.G., Matthewson, W., Niz, G., Park, S., Aguilar, J., Ahlen, S., Allen, S., Brooks, D., Claybaugh, T., de la Macorra, A., Dey, A., Dey, B., Doel, P., Forero-Romero, J.E., Gaztañaga, E., Gontcho, S.Gontcho A., Honscheid, K., Howlett, C., Juneau, S. ... Zou, H. (2024). DESI 2024: reconstructing dark energy using crossing statistics with DESI DR1 BAO data. Journal of Cosmology and Astroparticle Physics, 2024 (10) 048, 048. doi: 10.1088/1475-7516/2024/10/048
Chen, Shi-Fan, Howlett, Cullan, White, Martin, McDonald, Patrick, Ross, Ashley J, Seo, Hee-Jong, Padmanabhan, Nikhil, Aguilar, J, Ahlen, S, Alam, S, Alves, O, Andrade, U, Blum, R, Brooks, D, Chen, X, Cole, S, Dawson, K, de la Macorra, A, Dey, Arjun, Ding, Z, Doel, P, Ferraro, S, Font-Ribera, A, Forero-Sánchez, D, Forero-Romero, J E, Garcia-Quintero, C, Gaztañaga, E, Gontcho, S Gontcho A, Hanif, M M S ... Zhou, Z (2024). Baryon Acoustic Oscillation Theory and Modelling Systematics for the DESI 2024 results. Monthly Notices of the Royal Astronomical Society, 534 (1), 544-574. doi: 10.1093/mnras/stae2090
Anand, Abhijeet, Guy, Julien, Bailey, Stephen, Moustakas, John, Aguilar, J., Ahlen, S., Bolton, A. S., Brodzeller, A., Brooks, D., Claybaugh, T., Cole, S., de la Macorra, A., Dey, Biprateep, Fanning, K., Forero-Romero, J. E., Gaztañaga, E., A Gontcho, S. Gontcho, Gutierrez, G., Honscheid, K., Howlett, C., Juneau, S., Kirkby, D., Kisner, T., Kremin, A., Lambert, A., Landriau, M., Le Guillou, L., Manera, M., Meisner, A. ... Zou, H. (2024). Archetype-based Redshift Estimation for the Dark Energy Spectroscopic Instrument Survey. The Astronomical Journal, 168 (3) 124, 124. doi: 10.3847/1538-3881/ad60c2
Dogruel, M. Burak, Taylor, Edward N., Cluver, Michelle, Colless, Matthew, de Graaff, Anna, Sonnenfeld, Alessandro, Lucey, John R., D’Eugenio, Francesco, Howlett, Cullan and Said, Khaled (2024). Galaxy and Mass Assembly (GAMA): stellar-to-dynamical mass relation. II. peculiar velocities. The Astrophysical Journal, 970 (2) 149. doi: 10.3847/1538-4357/ad4ce2
DESI Collaboration, Adame, A. G., Aguilar, J., Ahlen, S., Alam, S., Aldering, G., Alexander, D. M., Alfarsy, R., Prieto, C. Allende, Alvarez, M., Alves, O., Anand, A., Andrade-Oliveira, F., Armengaud, E., Asorey, J., Avila, S., Aviles, A., Bailey, S., Balaguera-Antolínez, A., Ballester, O., Baltay, C., Bault, A., Bautista, J., Behera, J., Beltran, S. F., BenZvi, S., Beraldo e Silva, L., Bermejo-Climent, J. R., Berti, A. ... Zu, Y. (2024). The Early Data Release of the Dark Energy Spectroscopic Instrument. The Astronomical Journal, 168 (2) 58, 58. doi: 10.3847/1538-3881/ad3217
Lai, Yan, Howlett, Cullan and Davis, Tamara M (2024). Faster cosmological analysis with power spectrum without simulations. Monthly Notices of the Royal Astronomical Society, 530 (4), 4519-4530. doi: 10.1093/mnras/stae1134
DESI Collaboration, Adame, A. G., Aguilar, J., Ahlen, S., Alam, S., Aldering, G., Alexander, D. M., Alfarsy, R., Allende Prieto, C., Alvarez, M., Alves, O., Anand, A., Andrade-Oliveira, F., Armengaud, E., Asorey, J., Avila, S., Aviles, A., Bailey, S., Balaguera-Antolínez, A., Ballester, O., Baltay, C., Bault, A., Bautista, J., Behera, J., Beltran, S. F., BenZvi, S., Beraldo e Silva, L., Bermejo-Climent, J. R., Berti, A. ... Zu, Y. (2024). Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument. The Astronomical Journal, 167 (2) 62, 62. doi: 10.3847/1538-3881/ad0b08
Giani, Leonardo, Howlett, Cullan, Said, Khaled, Davis, Tamara and Vagnozzi, Sunny (2024). An effective description of Laniakea: impact on cosmology and the local determination of the Hubble constant. Journal of Cosmology and Astroparticle Physics, 2024 (01) 071, 071. doi: 10.1088/1475-7516/2024/01/071
Whitford, Abbé M., Howlett, Cullan and Davis, Tamara M. (2023). Evaluating bulk flow estimators for CosmicFlows–4 measurements. Monthly Notices of the Royal Astronomical Society, 526 (2), 3051-3071. doi: 10.1093/mnras/stad2764
Qin, Fei, Parkinson, David, Stevens, Adam R. H. and Howlett, Cullan (2023). The galaxy number density profile of Halos. The Astrophysical Journal, 957 (1) 40, 1-11. doi: 10.3847/1538-4357/acfda5
Tully, R. Brent, Howlett, Cullan and Pomarède, Daniel (2023). Ho’oleilana: an individual baryon acoustic oscillation?. Astrophysical Journal, 954 (2) 169, 1-14. doi: 10.3847/1538-4357/aceaf3
Giani, Leonardo, Howlett, Cullan and Davis, Tamara M. (2023). Can Einstein (rings) surf Gravitational Waves?. The Open Journal of Astrophysics, 6. doi: 10.21105/astro.2302.10472
Saulder, Christoph, Howlett, Cullan, Douglass, Kelly A, Said, Khaled, BenZvi, Segev, Ahlen, Steven, Aldering, Greg, Bailey, Stephen, Brooks, David, Davis, Tamara M, de la Macorra, Axel, Dey, Arjun, Font-Ribera, Andreu, Forero-Romero, Jaime E, Gontcho, Satya Gontcho A, Honscheid, Klaus, Kim, Alex G, Kisner, Theodore, Kremin, Anthony, Landriau, Martin, Levi, Michael E, Lucey, John, Meisner, Aaron M, Miquel, Ramon, Moustakas, John, Myers, Adam D, Palanque-Delabrouille, Nathalie, Percival, Will, Poppett, Claire ... Zou, Hu (2023). Target selection for the DESI peculiar velocity survey. Monthly Notices of the Royal Astronomical Society, 525 (1), 1106-1125. doi: 10.1093/mnras/stad2200
Rauf, Liana, Howlett, Cullan, Davis, Tamara M. and Lagos, Claudia D. P. (2023). Exploring binary black hole mergers and host galaxies with Shark and COMPAS. Monthly Notices of the Royal Astronomical Society, 523 (4), 5719-5737. doi: 10.1093/mnras/stad1757
Giani, Leonardo, Howlett, Cullan, Ruggeri, Rossana, Bianchini, Federico, Said, Khaled and M. Davis, Tamara (2023). Cross-correlating radial peculiar velocities and CMB lensing convergence. Journal of Cosmology and Astroparticle Physics, 2023 (05) 002, 002. doi: 10.1088/1475-7516/2023/05/002
Courtois, Hélène M, Said, Khaled, Mould, Jeremy, Jarrett, T H, Pomarède, Daniel, Westmeier, Tobias, Staveley-Smith, Lister, Dupuy, Alexandra, Hong, Tao, Guinet, Daniel, Howlett, Cullan, Deg, Nathan, For, Bi-Qing, Kleiner, Dane, Koribalski, Bärbel, Lee-Waddell, Karen, Rhee, Jonghwan, Spekkens, Kristine, Wang, Jing, Wong, O I, Bigiel, Frank, Bosma, Albert, Colless, Matthew, Davis, Tamara, Holwerda, Benne, Karachentsev, Igor, Kraan-Korteweg, Renée C, McQuinn, Kristen B W, Meurer, Gerhardt ... Taylor, Edward (2023). WALLABY pre-pilot and pilot survey: the Tully Fisher relation in Eridanus, Hydra, Norma and NGC4636 fields. Monthly Notices of the Royal Astronomical Society, 519 (3), 4589-4607. doi: 10.1093/mnras/stac3246
Tully, R. Brent, Kourkchi, Ehsan, Courtois, Hélène M., Anand, Gagandeep S., Blakeslee, John P., Brout, Dillon, Jaeger, Thomas de, Dupuy, Alexandra, Guinet, Daniel, Howlett, Cullan, Jensen, Joseph B., Pomarède, Daniel, Rizzi, Luca, Rubin, David, Said, Khaled, Scolnic, Daniel and Stahl, Benjamin E. (2023). Cosmicflows-4. The Astrophysical Journal, 944 (1) 94, 1-31. doi: 10.3847/1538-4357/ac94d8
Lan, Ting-Wen, Tojeiro, R., Armengaud, E., Prochaska, J. Xavier, Davis, T. M., Alexander, David M., Raichoor, A., Zhou, Rongpu, Yèche, Christophe, Balland, C., BenZvi, S., Berti, A., Canning, R., Carr, A., Chittenden, H., Cole, S., Cousinou, M.-C., Dawson, K., Dey, Biprateep, Douglass, K., Edge, A., Escoffier, S., Glanville, A., A Gontcho, S. Gontcho, Guy, J., Hahn, C., Howlett, C., Hwang, Ho Seong, Jiang, L. ... Zhou, Zhimin (2023). The DESI survey validation: results from visual inspection of bright galaxies, luminous red galaxies, and emission-line galaxies. The Astrophysical Journal, 943 (1) 68, 68. doi: 10.3847/1538-4357/aca5fa
Lai, Yan, Howlett, Cullan and Davis, Tamara M. (2023). Using peculiar velocity surveys to constrain the growth rate of structure with the wide-angle effect. Monthly Notices of the Royal Astronomical Society, 518 (2), 1840-1858. doi: 10.1093/mnras/stac3252
Glanville, Aaron, Howlett, Cullan and Davis, Tamara (2022). Full-shape galaxy power spectra and the curvature tension. Monthly Notices of the Royal Astronomical Society, 517 (2), 3087-3100. doi: 10.1093/mnras/stac2891
Abareshi, B., Aguilar, J., Ahlen, S., Alam, Shadab, Alexander, David M., Alfarsy, R., Allen, L., Prieto, C. Allende, Alves, O., Ameel, J., Armengaud, E., Asorey, J., Aviles, Alejandro, Bailey, S., Balaguera-Antolínez, A., Ballester, O., Baltay, C., Bault, A., Beltran, S. F., Benavides, B., BenZvi, S., Berti, A., Besuner, R., Beutler, Florian, Bianchi, D., Blake, C., Blanc, P., Blum, R., Bolton, A. ... Zu, Y. (2022). Overview of the instrumentation for the Dark Energy Spectroscopic Instrument. The Astronomical Journal, 164 (5) 207, 1-62. doi: 10.3847/1538-3881/ac882b
Qin, Fei, Howlett, Cullan, Stevens, Adam R. H. and Parkinson, David (2022). H i HOD. I. The halo occupation distribution of H i Galaxies. The Astrophysical Journal, 937 (2) 113, 1-15. doi: 10.3847/1538-4357/ac8b6f
Howlett, Cullan, Said, Khaled, Lucey, John R., Colless, Matthew, Qin, Fei, Lai, Yan, Tully, R. Brent and Davis, Tamara M. (2022). The Sloan Digital Sky Survey peculiar velocity catalogue. Monthly Notices of the Royal Astronomical Society, 515 (1), 953-976. doi: 10.1093/mnras/stac1681
Whitford, Abbé M., Howlett, Cullan and Davis, Tamara M. (2022). Using peculiar velocity surveys to constrain neutrino masses. Monthly Notices of the Royal Astronomical Society, 513 (1), 345-362. doi: 10.1093/mnras/stac783
Deg, N., Spekkens, K., Westmeier, T., Reynolds, T. N., Venkataraman, P., Goliath, S., Shen, A. X., Halloran, R., Bosma, A., Catinella, B, de Blok, W. J. G., Dénes, H., DiTeodoro, E. M., Elagali, A., For, B.-Q., Howlett, C, Józsa, G. I. G., Kamphuis, P., Kleiner, D., Koribalski, B, Lee-Waddell, K., Lelli, F., Lin, X., Murugeshan, C., Oh, S., Rhee, J., Scott, T. C., Staveley-Smith, L., van der Hulst, J. M. ... Wong, O. I. (2022). WALLABY Pilot Survey: Public release of HI kinematic models for more than 100 galaxies from phase 1 of ASKAP pilot observations. Publications of the Astronomical Society of Australia, 39 e059, 1-17. doi: 10.1017/pasa.2022.43
Westmeier, T., Deg, N., Spekkens, K., Reynolds, T. N., Shen, A. X., Gaudet, S., Goliath, S., Huynh, M. T., Venkataraman, P., Lin, X., O’Beirne, T., Catinella, B., Cortese, L., Dénes, H., Elagali, A., For, B.-Q., Józsa, G. I. G., Howlett, C., van der Hulst, J. M., Jurek, R. J., Kamphuis, P., Kilborn, V. A., Kleiner, D., Koribalski, B. S., Lee-Waddell, K., Murugeshan, C., Rhee, J., Serra, P., Shao, L. ... Said, K. (2022). WALLABY pilot survey: public release of H i data for almost 600 galaxies from phase 1 of ASKAP pilot observations. Publications of the Astronomical Society of Australia, 39 e058. doi: 10.1017/pasa.2022.50
Qin, Fei, Parkinson, David, Howlett, Cullan and Said, Khaled (2021). Cosmic flow measurement and mock sampling algorithm of Cosmicflows-4 Tully−Fisher catalog. The Astrophysical Journal, 922 (1) 59, 59. doi: 10.3847/1538-4357/ac249d
Stöcker, Patrick, Balázs, Csaba, Bloor, Sanjay, Bringmann, Torsten, Gonzalo, Tomás E., Handley, Will, Hotinli, Selim, Howlett, Cullan, Kahlhoefer, Felix, Renk, Janina J., Scott, Pat, Vincent, Aaron C., White, Martin and The GAMBIT Cosmology Workgroup (2021). Strengthening the bound on the mass of the lightest neutrino with terrestrial and cosmological experiments. Physical Review D, 103 (12) 123508. doi: 10.1103/physrevd.103.123508
Glanville, Aaron, Howlett, Cullan and Davis, Tamara M. (2021). The effect of systematic redshift biases in BAO cosmology. Monthly Notices of the Royal Astronomical Society, 503 (3), 3510-3521. doi: 10.1093/mnras/stab657
Renk, Janina J., Stöcker, Patrick, Bloor, Sanjay, Hotinli, Selim, Balázs, Csaba, Bringmann, Torsten, Gonzalo, Tomás E., Handley, Will, Hoof, Sebastian, Howlett, Cullan, Kahlhoefer, Felix, Scott, Pat, Vincent, Aaron C. and White, Martin (2021). CosmoBit: A GAMBIT module for computing cosmological observables and likelihoods. Journal of Cosmology and Astroparticle Physics, 2021 (2) 022, 022-022. doi: 10.1088/1475-7516/2021/02/022
Byun, Joyce, Franco, Felipe Oliveira, Howlett, Cullan, Bonvin, Camille and Obreschkow, Danail (2020). Constraining the growth rate of structure with phase correlations. Monthly Notices of the Royal Astronomical Society, 497 (2), 1765-1790. doi: 10.1093/mnras/staa2020
Koribalski, Bärbel S., Staveley-Smith, L., Westmeier, T., Serra, P., Spekkens, K., Wong, O. I., Lee-Waddell, K., Lagos, C. D.P., Obreschkow, D., Ryan-Weber, E. V., Zwaan, M., Kilborn, V., Bekiaris, G., Bekki, K., Bigiel, F., Boselli, A., Bosma, A., Catinella, B., Chauhan, G., Cluver, M. E., Colless, M., Courtois, H. M., Crain, R. A., de Blok, W. J.G., Dénes, H., Duffy, A. R., Elagali, A., Fluke, C. J., For, B. Q. ... Wolf, C. (2020). WALLABY – an SKA Pathfinder H I survey. Astrophysics and Space Science, 365 (7) 118. doi: 10.1007/s10509-020-03831-4
Howlett, Cullan and Davis, Tamara M. (2020). Standard siren speeds: improving velocities in gravitational-wave measurements of H0. Monthly Notices of the Royal Astronomical Society, 492 (3), 3803-3815. doi: 10.1093/mnras/staa049
Hinton, Samuel R., Howlett, Cullan and Davis, Tamara M. (2020). BARRY and the BAO Model Comparison. Monthly Notices of the Royal Astronomical Society, 493 (3), 4078-4093. doi: 10.1093/mnras/staa361
Pan, Hengxing, Obreschkow, Danail, Howlett, Cullan, Lagos, Claudia del P., Elahi, Pascal J., Baugh, Carlton and Gonzalez-Perez, Violeta (2020). Multiwavelength consensus of large-scale linear bias. Monthly Notices of the Royal Astronomical Society, 493 (1), 747-764. doi: 10.1093/mnras/staa222
Davis, Tamara M., Hinton, Samuel R., Howlett, Cullan and Calcino, Josh (2019). Can redshift errors bias measurements of the Hubble Constant?. Monthly Notices of the Royal Astronomical Society, 490 (2), 2948-2957. doi: 10.1093/mnras/stz2652
Qin, Fei, Howlett, Cullan and Staveley-Smith, Lister (2019). The redshift-space momentum power spectrum II: measuring the growth rate from the combined 2MTF and 6dFGSv surveys. Monthly Notices of the Royal Astronomical Society, 487 (4) stz1576, 5235-5247. doi: 10.1093/mnras/stz1576
Howlett, Cullan (2019). The redshift-space momentum power spectrum – I. Optimal estimation from peculiar velocity surveys. Monthly Notices of the Royal Astronomical Society, 487 (4) stz1403, 5209-5234. doi: 10.1093/mnras/stz1403
Hong, Tao, Staveley-Smith, Lister, Masters, Karen L, Springob, Christopher M, Macri, Lucas M, Koribalski, Bärbel S, Jones, D Heath, Jarrett, Tom H, Crook, Aidan C, Howlett, Cullan and Qin, Fei (2019). 2MTF - VII. 2MASS Tully-Fisher survey final data release: distances for 2,062 nearby spiral galaxies. Monthly Notices of the Royal Astronomical Society, 487 (2), 2061-2069. doi: 10.1093/mnras/stz1413
Qin, Fei, Howlett, Cullan, Staveley-Smith, Lister and Hong, Tao (2019). Bulk flow and shear in the local Universe: 2MTF and COSMICFLOWS-3. Monthly Notices of the Royal Astronomical Society, 482 (2), 1920-1930. doi: 10.1093/mnras/sty2826
Qin, Fei, Howlett, Cullan, Staveley-Smith, Lister and Hong, Tao (2018). Bulk flow in the combined 2MTF and 6dFGSv surveys. Monthly Notices of the Royal Astronomical Society, 477 (4), 5150-5166. doi: 10.1093/mnras/sty928
Ali, Kamran, Obreschkow, Danail, Howlett, Cullan, Bonvin, Camille, Llinares, Claudio, Oliveira Franco, Felipe and Power, Chris (2018). Cosmological constraints from fourier phase statistics. Monthly Notices of the Royal Astronomical Society, 479 (2), 2743-2753. doi: 10.1093/mnras/sty1696
Robotham, A. S. G. and Howlett, Cullan (2018). A short research note on calculating exact distribution functions and random sampling for the 3D NFW profile. Research Notes of the AAS, 2 (2), 55. doi: 10.3847/2515-5172/aacc70
Howlett, Cullan and Percival, Will J. (2017). Galaxy two-point covariance matrix estimation for next generation surveys. Monthly Notices of the Royal Astronomical Society, 472 (4), 4935-4952. doi: 10.1093/mnras/stx2342
Howlett, Cullan, Staveley-Smith, Lister, Elahi, Pascal J., Hong, Tao, Jarrett, Tom H., Jones, D. Heath, Koribalski, Barbel S., Macri, Lucas M., Masters, Karen L. and Springob, Christopher M. (2017). 2MTF-VI. Measuring the velocity power spectrum. Monthly Notices of the Royal Astronomical Society, 471 (3), 3135-3151. doi: 10.1093/mnras/stx1521
da Cunha, Elisabete, Hopkins, Andrew M., Colless, Matthew, Taylor, Edward N., Blake, Chris, Howlett, Cullan, Magoulas, Christina, Lucey, John R., Lagos, Claudia, Kuehn, Kyler, Gordon, Yjan, Barat, Dilyar, Bian, Fuyan, Wolf, Christian, Cowley, Michael J., White, Marc, Achitouv, Ixandra, Bilicki, Maciej, Bland-Hawthorn, Joss, Bolejko, Krzysztof, Brown, Michael J. I., Brown, Rebecca, Bryant, Julia, Croom, Scott, Davis, Tamara M., Driver, Simon P., Filipovic, Miroslav D., Hinton, Samuel R., Johnston-Hollitt, Melanie ... Watson, Fred (2017). The Taipan Galaxy Survey: Scientific Goals and Observing Strategy. Publications of the Astronomical Society of Australia, 34 e047, 1-28. doi: 10.1017/pasa.2017.41
Howlett, Cullan, Robotham, Aaron S. G., Lagos, Claudia D. P. and Kim, Alex G. (2017). Measuring the growth rate of structure with type IA supernovae from LSST. Astrophysical Journal, 847 (2) aa88c8, 128. doi: 10.3847/1538-4357/aa88c8
Howlett, Cullan, Staveley-Smith, Lister and Blake, Chris (2017). Cosmological forecasts for combined and next-generation peculiar velocity surveys. Monthly Notices of the Royal Astronomical Society, 464 (3), 2517-2544. doi: 10.1093/mnras/stw2466
Andersen, P., Davis, T. M. and Howlett, C. (2016). Cosmology with peculiar velocities: observational effects. Monthly Notices of the Royal Astronomical Society, 463 (4), 4083-4092. doi: 10.1093/mnras/stw2252
Aubourg, Éric, Bailey, Stephen, Bautista, Julian E., Beutler, Florian, Bhardwaj, Vaishali, Bizyaev, Dmitry, Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Bovy, Jo, Brewington, Howard, Brinkmann, J., Brownstein, Joel R., Burden, Angela, Busca, Nicolás G., Carithers, William, Chuang, Chia-Hsun, Comparat, Johan, Croft, Rupert A. C., Cuesta, Antonio J., Dawson, Kyle S., Delubac, Timothée, Eisenstein, Daniel J., Font-Ribera, Andreu, Ge, Jian, Le Goff, J. M., Gontcho, Satya Gontcho A., Gott, J. Richard, Gunn, James E. ... Zhao, Gong-Bo (2015). Cosmological implications of baryon acoustic oscillation measurements. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92 (12) 123516. doi: 10.1103/PhysRevD.92.123516
Burden, A., Percival, W. J. and Howlett, C. (2015). Reconstruction in Fourier space. Monthly Notices of the Royal Astronomical Society, 453 (1), 456-468. doi: 10.1093/mnras/stv1581
Liske, J., Baldry, I. K., Driver, P., Tuffs, R. J., Alpaslan, M., Andrae, E., Brough, S., Cluver, M. E., Grootes, M. W., Gunawardhana, M. L. P., Kelvin, L. S., Loveday, J., Robotham, A. S. G., Taylor, E. N., Bamford, S. P., Bland-Hawthorn, J., Brown, M. J. I., Drinkwater, M. J., Hopkins, A. M., Meyer, M. J., Norberg, P., Peacock, J. A., Agius, N. K., Andrews, S. K., Bauer, A. E., Ching, J. H. Y., Colless, M., Conselice, C. J., Croom, S. M. ... Wright, A. H. (2015). Galaxy and mass assembly (GAMA): End of survey report and data release 2. Monthly Notices of the Royal Astronomical Society, 452 (2), 2087-2126. doi: 10.1093/mnras/stv1436
Howlett, C., Manera, M. and Percival, W. J. (2015). L-PICOLA: a parallel code for fast dark matter simulation. Astronomy and Computing, 12, 109-126. doi: 10.1016/j.ascom.2015.07.003
Howlett, Cullan, Ross, Ashley J., Samushia, Lado, Percival, Will J. and Manera, Marc (2015). The clustering of the SDSS main galaxy sample - II. Mock galaxy catalogues and a measurement of the growth of structure from redshift space distortions at z=0.15. Monthly Notices of the Royal Astronomical Society, 449 (1), 848-866. doi: 10.1093/mnras/stu2693
Ross, Ashley J., Samushia, Lado, Howlett, Cullan, Percival, Will J., Burden, Angela and Manera, Marc (2015). The clustering of the SDSS DR7 main Galaxy sample - I. A 4 per cent distance measure at z=0.15. Monthly Notices of the Royal Astronomical Society, 449 (1), 835-847. doi: 10.1093/mnras/stv154
Manera, Marc, Samushia, Lado, Tojeiro, Rita, Howlett, Cullan, Ross, Ashley J., Percival, Will J., Gil-Marín, Hector, Brownstein, Joel R., Burden, Angela and Montesano, Francesco (2015). The clustering of galaxies in the SDSS-III baryon oscillation spectroscopic survey: Mock galaxy catalogues for the low-redshift sample. Monthly Notices of the Royal Astronomical Society, 447 (1), 437-445. doi: 10.1093/mnras/stu2465
Tojeiro, Rita, Ross, Ashley J., Burden, Angela, Samushia, Lado, Manera, Marc, Percival, Will J., Beutler, Florian, Brinkmann, J., Brownstein, Joel R., Cuesta, Antonio J., Dawson, Kyle, Eisenstein, Daniel J., Ho, Shirley, Howlett, Cullan, McBride, Cameron K., Montesano, Francisco, Olmstead, Matthew D., Parejko, John K., Reid, Beth, Sanchez, Ariel G., Schlegel, David J., Schneider, Donald P., Tinker, Jeremy L., Magana, Mariana Vargas and White, Martin (2014). The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: galaxy clustering measurements in the low-redshift sample of Data Release 11. Monthly Notices of the Royal Astronomical Society, 440 (3), 2222-2237. doi: 10.1093/mnras/stu371
Anderson, Lauren, Aubourg, Élric, Bailey, Stephen, Beutler, Florian, Bhardwaj, Vaishali, Blanton, Michael, Bolton, Adam S., Brinkmann, J., Brownstein, Joel R., Burden, Angela, Chuang, Chia-Hsun, Cuesta, Antonio J., Dawson, Kyle S., Eisenstein, Daniel J., Escoffier, Stephanie, Gunn, James E., Guo, Hong, Ho, Shirley, Honscheid, Klaus, Howlett, Cullan, Kirkby, David, Lupton, Robert H., Manera, Marc, Maraston, Claudia, McBride, Cameron K., Mena, Olga, Montesano, Francesco, Nichol, Robert C., Nuza, Sebastián E. ... Zhao, Gong-Bo (2014). The clustering of galaxies in the SDSS-III baryon oscillation spectroscopic survey: Baryon acoustic oscillations in the data releases 10 and 11 galaxy samples. Monthly Notices of the Royal Astronomical Society, 441 (1), 24-62. doi: 10.1093/mnras/stu523
Howlett, Cullan, Lewis, Antony, Hall, Alex and Challinor, Anthony (2012). CMB power spectrum parameter degeneracies in the era of precision cosmology. Journal of Cosmology and Astroparticle Physics, 2012 (4) 027, 027-027. doi: 10.1088/1475-7516/2012/04/027
Conference Papers
Content, Robert, Wang, Yun, Robberto, Massimo, Armus, Lee, Beutler, Florian, Bolzonella, Micol, Brieden, Samuel, Brinchmann, Jarle, Daddi, Emanuele, Dickinson, Mark, Faisst, Andreas, Hillenbrand, Lynne, Howlett, Cullan, Kartaltepe, Jeyhan, Koeppe, Dana, Lawrence, Jonathan S., Mei, Simona, Mueller, Eva-Maria, Nadathur, Seshadri, Ninkov, Zoran, Osato, Ken, Papovich, Casey, Percival, Will, Piotrowski, John, Pozzetti, Lucia, Raccanelli, Alvise, Rhodes, Jason D., Saito, Shun, Smee, Stephen A. ... Zemcov, Michael B. (2024). SIRMOS: NIR spectroscopy of 131,000,000 galaxies over 1 < z < 4 and R~1300. SPIE. doi: 10.1117/12.3017865
Manera, M., Percival, W. J., Ross, Ashley, Tojeiro, R., Samushia, L., Howlett, C., Vargas-Magaña, M., Burden, A. and SDSS-III BOSS Galaxy Working Group (2014). Understanding cosmological measurements with a large number of mock galaxy catalogues. 306th Symposium of The International-Astronomical-Union (IAU), Lisbon, Portugal, 25-29 May 2014. CAMBRIDGE: Cambridge University Press (CUP). doi: 10.1017/s1743921314013738