Staff profile
Professor James Osborn
Professor (Research) - UKRI FLF
Affiliation |
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Professor (Research) - UKRI FLF in the Department of Physics |
Associate Fellow in the Institute of Advanced Study |
Biography
I am the founding director of the Durham University Space Research Centre (SPARC) a UKRI Future Leaders Fellow and a Professor in the Centre for Advanced Instrumentation (CfAI), Durham University, UK.
In the CfAI, I lead the free-space optics group, studying how light travels through the Earth’s atmosphere. Initially this focussed on instrumentation for astronomy, building the scientific equipment that enables astronomers to use large ground-based telescopes to study planets orbiting distant stars, how galaxies form and evolve and even the nature of dark matter in the universe. More recently I have focussed on exchanging technology and techniques from astronomy into emerging sectors such as free-space optical communications (enabling global high-bandwidth and secure connectivity) and space surveillance and tracking (enabling the sustainable exploitation of space).
My personal research is concerned with forecasting, modelling, measuring and mitigating the Earth’s atmospheric turbulence. I have built instruments that are active at sites all over the world for various research organisations, the data from which are actively used by several research communities.
Research Interests:
Atmospheric Physics
The Earth’s turbulent atmosphere has two detrimental effects on light propagation, i) the image appears to wobble and blurs, losing spatial information, and ii) the brightness varies, seen as twinkling and called scintillation, limiting the temporal photometric precision. My research is concerned with forecasting, modelling, measuring and mitigating this atmospheric turbulence.
Free-space Optical Communications
The large bandwidth available from using visible light, as opposed to conventional radio communication, will enable 10-100 times higher data rates, helping us to meet demands for higher capacity data transmissions that societies around the world have become accustomed to, as well as to increase the volume of data retrieved from space science satellites used for Earth observation, inter-planetary and deep space missions.
Astronomical Instrumentation
The full potential of ground based optical telescopes can only be realised with the careful application of sophisticated instrumentation. I am particularly interested in Adaptive Optics technologies for wide-field and high-contrast imaging and high-precision time-resolved photometry.
Space Surveillance and Tracking
The detection, identification and tracking of objects in space (active satellites, debris, rocket bodies) is critical for the sustainable use of space for future generations. I develop innovative technology to accurately identify, track and characterise objects in space.
Space Sustainability
I am enthusiastic about multi-disciplinary research. Using novel instruments and techniques to enable the sustainable use of space, to grow the capacity and capabilities of space applications while protecting the space environment for present and future generations. This includes working with experts across law, international relations, and business operations to build a holistic model of the space environment.
Publications
Conference Paper
- Distortion of visible daytime multi-conjugate adaptive optics control
Kongkaew, P., Morris, T. J., & Osborn, J. (2024, June). Distortion of visible daytime multi-conjugate adaptive optics control. Presented at Adaptive Optics Systems IX, Yokohama, Japan - The 24hSHIMM: a continuous day and night turbulence monitor for optical communications
Griffiths, R., Osborn, J., Farley, O., Butterley, T., Townson, M., & Wilson, R. (2023, January). The 24hSHIMM: a continuous day and night turbulence monitor for optical communications. Presented at Free-Space Laser Communications XXXV, San Francisco, United States - Atmospheric optical turbulence analysis in London’s financial district
Westerby-Griffin, L., Osborn, J., Farley, O. J. D., Griffiths, R., & Love, G. D. (2023, January). Atmospheric optical turbulence analysis in London’s financial district. Presented at Free-Space Laser Communications XXXV, San Francisco, United States - Atmospheric optical turbulence measurements at varying elevation angles
Westerby-Griffin, L., Osborn, J., Farley, O. J. D., Griffiths, R., & Love, G. D. (2023, January). Atmospheric optical turbulence measurements at varying elevation angles. Paper presented at Free-Space Laser Communications XXXV, San Francisco, United States - Correction of photometric scintillation noise via tomographic wavefront sensing: simulation and on-sky demonstration
Hartley, K., Farley, O., Townson, M. J., Osborn, J., & Wilson, R. W. (2022, July). Correction of photometric scintillation noise via tomographic wavefront sensing: simulation and on-sky demonstration. Presented at Adaptive Optics Systems VIII, Montréal, Canada - Correction of finite spatial and temporal sampling effects in stereo-SCIDAR
Butterley, T., Sarazin, M., Le Louarn, M., Osborn, J., & Farley, O. J. (2020, December). Correction of finite spatial and temporal sampling effects in stereo-SCIDAR. Presented at SPIE Astronomical Telescopes + Instrumentation 2020, Online - Photometry and Spectrum measurements of the Laser Guide Star beam emission at Observatorio del Roque de Los Muchachos with the Gran Telescope Canarias
Lombardi, G., Calia, B., Centrone, M., Talavera, M. R. G., Morris, T., Pfrommer, T., Basden, A., Vidal, F., Gendron, E., Rousset, G., Mayers, R., Osborn, J., Reeves, A., Talbot, R., Townson, M., Lavers, A. C., & Postigoh, A. D. U. (2017, June). Photometry and Spectrum measurements of the Laser Guide Star beam emission at Observatorio del Roque de Los Muchachos with the Gran Telescope Canarias. Presented at Adaptive Optics for Extremely Large Telescopes 5, Tenerife, Canary Islands, Spain - Preliminary on-sky results of the CANARY experiment with an ELT-elongated sodium LGS
Bardou, L., Gendron, E., Rousset, G., Gratadour, D., Basden, A. G., Bonaccini, D., Buey, T., Centrone, M., Chemla, F., Lombardi, G., Marchetti, E., Morris, T. J., Myers, R. M., Osborn, J., Townson, M. J., Vidal, F., & Reyes Garcia-Talavera, M. (2017, June). Preliminary on-sky results of the CANARY experiment with an ELT-elongated sodium LGS. Presented at Adaptive Optics for Extremely Large Telescopes 5, Tenerife, Canary Islands, Spain - Turbulence profiling for adaptive optics tomographic reconstructors
Laidlaw, D. J., Osborn, J., Wilson, R. W., Morris, T. J., Butterley, T., Reeves, A. P., Townson, M. J., Gendron, É., Vidal, F., & Morel, C. (2016, July). Turbulence profiling for adaptive optics tomographic reconstructors - Final two-stage MOAO on-sky demonstration with CANARY
Gendron, E., Morris, T., Basden, A., Vidal, F., Atkinson, D., Bitenc, U., Buey, T., Chemla, F., Cohen, M., Dickson, C., Dipper, N., Feautrier, P., Gach, J.-L., Gratadour, D., Henry, D., Huet, J.-M., Morel, C., Morris, S., Myers, R., Osborn, J., …Younger, E. (2016, July). Final two-stage MOAO on-sky demonstration with CANARY. Presented at SPIE Astronomical Telescopes + Instrumentation, Edinburgh - Daytime site characterisation of La Palma, and its relation to night-time conditions
Townson, M., Kellerer, A., Osborn, J., Butterley, T., Morris, T., & Wilson, R. (2014, December). Daytime site characterisation of La Palma, and its relation to night-time conditions. Presented at Ground-based and Airborne Instrumentation for Astronomy V, Montréal, Quebec
Doctoral Thesis
- Profiling the turbulent atmosphere and novel correction techniques for imaging and photometry in astronomy
Osborn, J. Profiling the turbulent atmosphere and novel correction techniques for imaging and photometry in astronomy. (Thesis). Durham University. https://durham-repository.worktribe.com/output/1618540
Journal Article
- Laser guide stars as comparison stars: correcting scintillation noise
Hartley, K. E., Calia, D. B., Bustos, F. P., Centrone, M., Jenkins, D., Wilson, R. W., & Osborn, J. (2025). Laser guide stars as comparison stars: correcting scintillation noise. Monthly Notices of the Royal Astronomical Society, 539(3), 1955-1963. https://doi.org/10.1093/mnras/staf614 - Demonstration of 24-hour continuous optical turbulence monitoring in a city
Beesley, L. F., Griffiths, R., Hartley, K., Farley, O. J., Quatresooz, F., Rodríguez-Gómez, A., Comerón, A., Townson, M., Alaluf, D., & Osborn, J. (2025). Demonstration of 24-hour continuous optical turbulence monitoring in a city. Optics Express, 33(5), 10140-10149. https://doi.org/10.1364/OE.543144 - Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses
Hristovski, I. R., Osborn, J., Farley, O. J. D., Townson, M. J., Calvo, R. M., Femenía-Castella, B., Torres, J. S., Holzman, J. F., & Reeves, A. P. (2024). Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses. Optics Express, 32(12), 20976-20991. https://doi.org/10.1364/oe.521494 - Exploring atmospheric optical turbulence: observations across zenith angles
Beesley, L. F., Osborn, J., Wilson, R., Farley, O. J. D., Griffiths, R., & Love, G. D. (2024). Exploring atmospheric optical turbulence: observations across zenith angles. Applied Optics, 63(16), E48. https://doi.org/10.1364/ao.519063 - A comparison of next-generation turbulence profiling instruments at Paranal
Griffiths, R., Bardou, L., Butterley, T., Osborn, J., Wilson, R., Bustos, E., Tokovinin, A., Le Louarn, M., & Otarola, A. (2024). A comparison of next-generation turbulence profiling instruments at Paranal. Monthly Notices of the Royal Astronomical Society, 529(1), 320 - 330. https://doi.org/10.1093/mnras/stae434 - Optical sparse telescope arrays and scintillation noise
Hartley, K. E., Farley, O. J. D., Townson, M. J., Osborn, J., & Wilson, R. W. (2023). Optical sparse telescope arrays and scintillation noise. Monthly Notices of the Royal Astronomical Society, 526(1), 1235-1245. https://doi.org/10.1093/mnras/stad2835 - Continuous daytime and nighttime forecast of atmospheric optical turbulence from numerical weather prediction models
Quatresooz, F., Griffiths, R., Bardou, L., Wilson, R., Osborn, J., Vanhoenacker-Janvier, D., & Oestges, C. (2023). Continuous daytime and nighttime forecast of atmospheric optical turbulence from numerical weather prediction models. Optics Express, 31(21), 33850-33872. https://doi.org/10.1364/oe.500090 - Line-of-sight optical Dome Turbulence Monitor
Osborn, J., & Alaluf, D. (2023). Line-of-sight optical Dome Turbulence Monitor. Monthly Notices of the Royal Astronomical Society, 525(2), 1936-1940. https://doi.org/10.1093/mnras/stad2428 - First On-Sky Demonstration of a Scintillation Correction technique using Tomographic Wavefront Sensing
Hartley, K. E., Farley, O. J., Townson, M. J., Osborn, J., & Wilson, R. (2023). First On-Sky Demonstration of a Scintillation Correction technique using Tomographic Wavefront Sensing. Monthly Notices of the Royal Astronomical Society, 520(3), 4134-4146. https://doi.org/10.1093/mnras/stad420 - SHIMM: a versatile seeing monitor for astronomy
Perera, S., Wilson, R. W., Butterley, T., Osborn, J., Farley, O. J., & Laidlaw, D. J. (2023). SHIMM: a versatile seeing monitor for astronomy. Monthly Notices of the Royal Astronomical Society, 520(4), 5475-5486. https://doi.org/10.1093/mnras/stad339 - Demonstrating 24-hour continuous vertical monitoring of atmospheric optical turbulence
Griffiths, R., Osborn, J., Farley, O., Butterley, T., Townson, M. J., & Wilson, R. (2023). Demonstrating 24-hour continuous vertical monitoring of atmospheric optical turbulence. Optics Express, 31(4), 6730-6740. https://doi.org/10.1364/oe.479544 - Scintillation-limited photometry with the 20-cm NGTS telescopes at Paranal Observatory
O’Brien, S. M., Bayliss, D., Osborn, J., Bryant, E. M., McCormac, J., Wheatley, P. J., Acton, J. S., Alves, D. R., Anderson, D. R., Burleigh, M. R., Casewell, S. L., Gill, S., Goad, M. R., Henderson, B. A., Jackman, J. A., Lendl, M., Tilbrook, R. H., Udry, S., Vines, J. I., & West, R. G. (2022). Scintillation-limited photometry with the 20-cm NGTS telescopes at Paranal Observatory. Monthly Notices of the Royal Astronomical Society, 509(4), 6111-6118. https://doi.org/10.1093/mnras/stab3399 - FAST: Fourier domain adaptive optics simulation tool for bidirectional ground-space optical links through atmospheric turbulence
Farley, O., Townson, M., & Osborn, J. (2022). FAST: Fourier domain adaptive optics simulation tool for bidirectional ground-space optical links through atmospheric turbulence. Optics Express, 30(13), 23050-23064. https://doi.org/10.1364/oe.458659 - Astrosat: forecasting satellite transits for optical astronomical observations
Osborn, J., Blacketer, L., Townson, M. J., & Farley, O. J. (2022). Astrosat: forecasting satellite transits for optical astronomical observations. Monthly Notices of the Royal Astronomical Society, 509(2), 1848-1852. https://doi.org/10.1093/mnras/stab3003 - The ESO’s Extremely Large Telescope Working Groups
Padovani, P., Cirasuolo, M., van der Burg, R., Cantalloube, F., George, E., Kasper, M., Leschinski, K., Martins, C., Milli, J., Möhler, S., Neeser, M., Neichel, B., Otarola, A., Sánchez-Janssen, R., Serra, B., Smette, A., Valenti, E., Verinaud, C., Vernet, J., Absil, O., …Vigan, A. (2022). The ESO’s Extremely Large Telescope Working Groups. The Messenger (Garching), 189, 23-30. https://doi.org/10.18727/0722-6691/5286 - HiPERCAM: a quintuple-beam, high-speed optical imager on the 10.4-m Gran Telescopio Canarias
Dhillon, V., Bezawada, N., Black, M., Dixon, S., Gamble, T., Gao, X., Henry, D., Kerry, P., Littlefair, S., Lunney, D., Marsh, T., Miller, C., Parsons, S., Ashley, R., Breedt, E., Brown, A., Dyer, M., Green, M., Pelisoli, I., Sahman, D., …García-Alvarez, D. (2021). HiPERCAM: a quintuple-beam, high-speed optical imager on the 10.4-m Gran Telescopio Canarias. Monthly Notices of the Royal Astronomical Society, 507(1), 350-366. https://doi.org/10.1093/mnras/stab2130 - First stellar photons for an integrated optics discrete beam combiner at the William Herschel Telescope
Nayak, A. S., Labadie, L., Sharma, T. K., Piacentini, S., Corrielli, G., Osellame, R., Gendron, É., Buey, J.-T. M., Chemla, F., Cohen, M., Bharmal, N. A., Bardou, L. F., Staykov, L., Osborn, J., Morris, T. J., Pedretti, E., Dinkelaker, A. N., Madhav, K. V., & Roth, M. M. (2021). First stellar photons for an integrated optics discrete beam combiner at the William Herschel Telescope. Applied Optics, 60(19), D129-D142. https://doi.org/10.1364/ao.423881 - ELT-scale elongated LGS wavefront sensing: on-sky results
Bardou, L., Gendron, E., Rousset, G., Gratadour, D., Basden, A., Bonaccini Calia, D., Buey, T., Centrone, M., Chemla, F., Gach, J.-L., Geng, D., Hubert, Z., Laidlaw, D. J., Morris, T. J., Myers, R. M., Osborn, J., Reeves, A. P., Townson, M. J., & Vidal, F. (2021). ELT-scale elongated LGS wavefront sensing: on-sky results. Astronomy & Astrophysics, 649, Article A158. https://doi.org/10.1051/0004-6361/202038330 - Adaptive Optics pre-compensated laser uplink to LEO and GEO
Osborn, J., Townson, M., Farley, O., Reeves, A., & Mata Calvo, R. (2021). Adaptive Optics pre-compensated laser uplink to LEO and GEO. Optics Express, 29(4), 6113-6132. https://doi.org/10.1364/oe.413013 - On-sky results for adaptive optics control with data-driven models on low-order modes
Sinquin, B., Prengere, L., Kulcsár, C., Raynaud, H.-F., Gendron, E., Osborn, J., Basden, A., Conan, J.-M., Bharmal, N., Bardou, L., Staykov, L., Morris, T., Buey, T., Chemla, F., & Cohen, M. (2020). On-sky results for adaptive optics control with data-driven models on low-order modes. Monthly Notices of the Royal Astronomical Society, 498(3), 3228-3240. https://doi.org/10.1093/mnras/staa2562 - Mesoscale modelling of optical turbulence in the atmosphere: the need for ultrahigh vertical grid resolution
Basu, S., Osborn, J., He, P., & DeMarco, A. (2020). Mesoscale modelling of optical turbulence in the atmosphere: the need for ultrahigh vertical grid resolution. Monthly Notices of the Royal Astronomical Society, 497(2), 2302-2308. https://doi.org/10.1093/mnras/staa2010 - Wind-driven halo in high-contrast images
Cantalloube, F., Farley, O., Milli, J., Bharmal, N., Brandner, W., Correia, C., Dohlen, K., Henning, T., Osborn, J., Por, E., Suárez Valles, M., & Vigan, A. (2020). Wind-driven halo in high-contrast images. Astronomy & Astrophysics, 638, Article A98. https://doi.org/10.1051/0004-6361/201937397 - Limitations imposed by optical turbulence profile structure and evolution on tomographic reconstruction for the ELT
Farley, O., Osborn, J., Morris, T., Fusco, T., Neichel, B., Correia, C., & Wilson, R. (2020). Limitations imposed by optical turbulence profile structure and evolution on tomographic reconstruction for the ELT. Monthly Notices of the Royal Astronomical Society, 494(2), 2773-2784. https://doi.org/10.1093/mnras/staa795 - Characterization of the ground layer of turbulence at Paranal using a robotic SLODAR system
Butterley, T., Wilson, R., Sarazin, M., Dubbeldam, M., Osborn, J., & Clark, P. (2020). Characterization of the ground layer of turbulence at Paranal using a robotic SLODAR system. Monthly Notices of the Royal Astronomical Society, 492(1), 934-949. https://doi.org/10.1093/mnras/stz3498 - Automated wind velocity profiling from adaptive optics telemetry
Laidlaw, D. J., Osborn, J., Morris, T. J., Basden, A. G., Gendron, E., Rousset, G., Townson, M. J., & Wilson, R. W. (2020). Automated wind velocity profiling from adaptive optics telemetry. Monthly Notices of the Royal Astronomical Society, 491(1), 1287-1294. https://doi.org/10.1093/mnras/stz3062 - Atmospheric scintillation noise in ground-based exoplanet photometry
Föhring, D., Wilson, R., Osborn, J., & Dhillon, V. (2019). Atmospheric scintillation noise in ground-based exoplanet photometry. Monthly Notices of the Royal Astronomical Society, 489(4), 5098-5108. https://doi.org/10.1093/mnras/stz2444 - Experience with Artificial Neural Networks Applied in Multi-object Adaptive Optics
Suárez Gómez, S. L., González-Gutiérrez, C., Alonso, E. D., Santos, J. D., Rodríguez, M. L. S., Morris, T., Osborn, J., Basden, A., Bonavera, L., González, J. G.-N., & de Cos Juez, F. J. (2019). Experience with Artificial Neural Networks Applied in Multi-object Adaptive Optics. Publications of the Astronomical Society of the Pacific, 131(1004), Article 108012. https://doi.org/10.1088/1538-3873/ab1ebb - AOtools - a Python package for adaptive optics modelling and analysis
Townson, M., Farley, O., Orban de Xivry, G., Osborn, J., & Reeves, A. (2019). AOtools - a Python package for adaptive optics modelling and analysis. Optics Express, 27(22), 31316-31329. https://doi.org/10.1364/oe.27.031316 - Identifying optical turbulence profiles for realistic tomographic error in adaptive optics
Farley, O., Osborn, J., Morris, T., Fusco, T., Neichel, B., Correia, C., & Wilson, R. (2019). Identifying optical turbulence profiles for realistic tomographic error in adaptive optics. Monthly Notices of the Royal Astronomical Society, 488(1), 213-221. https://doi.org/10.1093/mnras/stz1669 - Efficient implementation of pseudo open loop control for adaptive optics on Extremely Large Telescopes
Basden, A., Jenkins, D., Morris, T., Osborn, J., & Townson, M. (2019). Efficient implementation of pseudo open loop control for adaptive optics on Extremely Large Telescopes. Monthly Notices of the Royal Astronomical Society, 486(2), 1774-1780. https://doi.org/10.1093/mnras/stz918 - Representative optical turbulence profiles for ESO Paranal by hierarchical clustering
Farley, O., Osborn, J., Morris, T., Sarazin, M., Butterley, T., Townson, M., Jia, P., & Wilson, R. (2018). Representative optical turbulence profiles for ESO Paranal by hierarchical clustering. Monthly Notices of the Royal Astronomical Society, 481(3), 4030-4037. https://doi.org/10.1093/mnras/sty2536 - Optimizing the accuracy and efficiency of optical turbulence profiling using adaptive optics telemetry for extremely large telescopes
Laidlaw, D. J., Osborn, J., Morris, T. J., Basden, A. G., Beltramo-Martin, O., Butterley, T., Gendron, E., Reeves, A. P., Rousset, G., Townson, M. J., & Wilson, R. W. (2018). Optimizing the accuracy and efficiency of optical turbulence profiling using adaptive optics telemetry for extremely large telescopes. Monthly Notices of the Royal Astronomical Society, 483(4), 4341-4353. https://doi.org/10.1093/mnras/sty3285 - Modelling synthetic atmospheric turbulence profiles with temporal variation using Gaussian mixture model
Jia, P., Osborn, J., Kong, L., Laidlaw, D., Li, C., Farley, O., & Xue, G. (2018). Modelling synthetic atmospheric turbulence profiles with temporal variation using Gaussian mixture model. Monthly Notices of the Royal Astronomical Society, 480(2), 2466-2474. https://doi.org/10.1093/mnras/sty1951 - Atmospheric turbulence forecasting with a general circulation model for Cerro Paranal
Osborn, J., & Sarazin, M. (2018). Atmospheric turbulence forecasting with a general circulation model for Cerro Paranal. Monthly Notices of the Royal Astronomical Society, 480(1), 1278-1299. https://doi.org/10.1093/mnras/sty1898 - Ground-layer adaptive-optics system modelling for the ChineseLarge Optical/Infrared Telescope
Peng, J., Basden, A., & Osborn, J. (2018). Ground-layer adaptive-optics system modelling for the ChineseLarge Optical/Infrared Telescope. Monthly Notices of the Royal Astronomical Society, 479(1), 829-843. https://doi.org/10.1093/mnras/sty1507 - Optical turbulence profiling with Stereo-SCIDAR for VLT and ELT
Osborn, J., Wilson, R., Sarazin, M., Butterley, T., Chacon, A., Derie, F., Farley, O., Haubois, X., Laidlaw, D., LeLouarn, M., Masciadri, E., Milli, J., Navarrete, J., & Townson, M. (2018). Optical turbulence profiling with Stereo-SCIDAR for VLT and ELT. Monthly Notices of the Royal Astronomical Society, 478(1), 825-834. https://doi.org/10.1093/mnras/sty1070 - The Durham Adaptive Optics Simulation Platform (DASP): Current status
Basden, A., Bharmal, N., Jenkins, D., Morris, T., Osborn, J., Peng, J., & Staykov, L. (2018). The Durham Adaptive Optics Simulation Platform (DASP): Current status. SoftwareX, 7, 63-69. https://doi.org/10.1016/j.softx.2018.02.005 - Comparative Study of Neural Network Frameworks for the Next Generation of Adaptive Optics Systems
González-Gutiérrez, C., Santos, J., Martínez-Zarzuela, M., Basden, A., Osborn, J., Díaz-Pernas, F., & De Cos Juez, F. (2017). Comparative Study of Neural Network Frameworks for the Next Generation of Adaptive Optics Systems. Sensors, 17(6), Article 1263. https://doi.org/10.3390/s17061263 - On-sky demonstration of matched filters for wavefront measurements using ELT-scale elongated laser guide stars
Basden, A., Bardou, L., Bonaccini-Calia, D., Buey, T., Centrone, M., Chemla, F., Gach, J., Gendron, E., Gratadour, D., Guidolin, I., Jenkins, D., Marchetti, E., Morris, T., Myers, R., Osborn, J., Reeves, A., Reyes, M., Rousset, G., Stangalini, M., Townson, M., & Vidal, F. (2017). On-sky demonstration of matched filters for wavefront measurements using ELT-scale elongated laser guide stars. Monthly Notices of the Royal Astronomical Society, 466(4), 5003-5010. https://doi.org/10.1093/mnras/stx062 - Online estimation of the wavefront outer scale profile from adaptive optics telemetry
Guesalaga, A., Neichel, B., Correia, C., Butterley, T., Osborn, J., Masciadri, E., Fusco, T., & Sauvage, J.-F. (2017). Online estimation of the wavefront outer scale profile from adaptive optics telemetry. Monthly Notices of the Royal Astronomical Society, 465(2), 1984-1994. https://doi.org/10.1093/mnras/stw2548 - Turbulence velocity profiling for high sensitivity and vertical-resolution atmospheric characterization with Stereo-SCIDAR
Osborn, J., Butterley, T., Townson, M., Reeves, A., Morris, T., & Wilson, R. (2017). Turbulence velocity profiling for high sensitivity and vertical-resolution atmospheric characterization with Stereo-SCIDAR. Monthly Notices of the Royal Astronomical Society, 464(4), 3998-4007. https://doi.org/10.1093/mnras/stw2685 - Stereo-SCIDAR: Instrument and First Commissioning Results
Derie, F., Wilson, R., Osborn, J., Dubbeldam, M., Sarazin, M., Ridding, R., Navarrete, J., & Lelouarn, M. (2016). Stereo-SCIDAR: Instrument and First Commissioning Results. Messenger (Los Angeles, Calif. Online), 166, 41-46 - Experience with wavefront sensor and deformable mirror interfaces for wide-field adaptive optics systems
Basden, A., Atkinson, D., Bharmal, N., Bitenc, U., Brangier, M., Buey, T., Butterley, T., Cano, D., Chemla, F., Clark, P., Cohen, M., Conan, J.-M., de Cos, F., Dickson, C., Dipper, N., Dunlop, C., Feautrier, P., Fusco, T., Gach, J., Gendron, E., …Younger, E. (2016). Experience with wavefront sensor and deformable mirror interfaces for wide-field adaptive optics systems. Monthly Notices of the Royal Astronomical Society, 459(2), 1350-1359. https://doi.org/10.1093/mnras/stw730 - A tomographic algorithm to determine tip-tilt information from laser guide stars
Reeves, A., Morris, T., Myers, R., Bharmal, N., & Osborn, J. (2016). A tomographic algorithm to determine tip-tilt information from laser guide stars. Monthly Notices of the Royal Astronomical Society, 459(1), 333-341. https://doi.org/10.1093/mnras/stw622 - Atmospheric scintillation in astronomical photometry
Osborn, J., Föhring, D., Dhillon, V., & Wilson, R. (2015). Atmospheric scintillation in astronomical photometry. Monthly Notices of the Royal Astronomical Society, 452(2), 1707-1716. https://doi.org/10.1093/mnras/stv1400 - Error sources in SLODAR turbulence profile fitting
Butterley, T., Osborn, J., & Wilson, R. (2015). Error sources in SLODAR turbulence profile fitting. Journal of Physics: Conference Series, 595(1), Article 012006. https://doi.org/10.1088/1742-6596/595/1/012006 - Characterising atmospheric optical turbulence using stereo-SCIDAR
Osborn, J., Butterley, T., Föhring, D., & Wilson, R. (2015). Characterising atmospheric optical turbulence using stereo-SCIDAR. Journal of Physics: Conference Series, 595(1), Article 012022. https://doi.org/10.1088/1742-6596/595/1/012022 - Scintillation Noise in Exoplanet Transit Photometry
Föhring, D., Wilson, R., Osborn, J., & Dhillon, V. (2015). Scintillation Noise in Exoplanet Transit Photometry. Journal of Physics: Conference Series, 595(1), Article 012010. https://doi.org/10.1088/1742-6596/595/1/012010 - Scintillation correction for astronomical photometry on large and extremely large telescopes with tomographic atmospheric reconstruction
Osborn, J. (2015). Scintillation correction for astronomical photometry on large and extremely large telescopes with tomographic atmospheric reconstruction. Monthly Notices of the Royal Astronomical Society, 446(2), 1305-1311. https://doi.org/10.1093/mnras/stu2175 - Characterising daytime atmospheric conditions on La Palma
Townson, M., Kellerer, A., Osborn, J., Butterley, T., Morris, T., & Wilson, R. (2015). Characterising daytime atmospheric conditions on La Palma. Journal of Physics: Conference Series, 595, Article 012035. https://doi.org/10.1088/1742-6596/595/1/012035 - Retrieving tip-tilt information from Tomographic Laser Guide Star Adaptive Optics Systems
Reeves, A., Myers, R., Morris, T., Osborn, J., & Bharmal, N. A. (2015). Retrieving tip-tilt information from Tomographic Laser Guide Star Adaptive Optics Systems. https://doi.org/10.20353/k3t4cp1131633 - Observations of the dynamic turbulence above La Palma using Stereo-SCIDAR
Osborn, J., Butterley, T., Perera, S., Fohring, D., & Wilson, R. (2015). Observations of the dynamic turbulence above La Palma using Stereo-SCIDAR. https://doi.org/10.20353/k3t4cp1131607 - Open loop tomography with artificial neural networks on CANARY: on-sky results
Osborn, J., Guzman, D., De Cos Juez, F., Basden, A., Morris, T., Gendron, E., Butterley, T., Myers, R., Guesalaga, A., Sanchez Lasheras, F., Gomez Victoria, M., Sánchez Rodríguez, M., Gratadour, D., & Rousset, G. (2014). Open loop tomography with artificial neural networks on CANARY: on-sky results. Monthly Notices of the Royal Astronomical Society, 441(3), 2508-2514. https://doi.org/10.1093/mnras/stu758 - Stereo-SCIDAR: optical turbulence profiling with high sensitivity using a modified SCIDAR instrument
Shepherd, H., Osborn, J., Wilson, R., Butterley, T., Avila, R., Dhillon, V., & Morris, T. (2014). Stereo-SCIDAR: optical turbulence profiling with high sensitivity using a modified SCIDAR instrument. Monthly Notices of the Royal Astronomical Society, 437(4), 3568-3577. https://doi.org/10.1093/mnras/stt2150 - Scintillation correction for astronomical photometry on large and extremely large telescopes with tomographic atmospheric reconstruction
Osborn, J. (2014). Scintillation correction for astronomical photometry on large and extremely large telescopes with tomographic atmospheric reconstruction. Monthly Notices of the Royal Astronomical Society, 446(2), 1305-1311 - Adaptive pupil masking for quasi-static speckle suppression
Osborn, J. (2012). Adaptive pupil masking for quasi-static speckle suppression. Monthly Notices of the Royal Astronomical Society, 424(3), 2284-2291. https://doi.org/10.1111/j.1365-2966.2012.21392.x - Using artificial neural networks for open-loop tomography
Osborn, J., De Cos Juez, F. J., Guzman, D., Butterley, T., Myers, R., Guesalaga, A., & Laine, J. (2012). Using artificial neural networks for open-loop tomography. Optics Express, 20(3), 2420-2434. https://doi.org/10.1364/oe.20.002420 - An ANN-based smart tomographic reconstructor in a dynamic environment
De Cos Juez, F., Laine Cuervo, J., & Osborn, J. (2012). An ANN-based smart tomographic reconstructor in a dynamic environment. Sensors, 12(12), 8895-8911. https://doi.org/10.3390/s120708895 - Conjugate-plane photometry: reducing scintillation in ground-based photometry
Osborn, J., Wilson, R. W., Dhillon, V., Avila, R., & Love, G. D. (2011). Conjugate-plane photometry: reducing scintillation in ground-based photometry. Monthly Notices of the Royal Astronomical Society, 411(2), 1223-1230. https://doi.org/10.1111/j.1365-2966.2010.17759.x - Conjugate Plane Photometry: Reducing Scintillation for Ground-Based Fast Photometry
Osborn, J., Wilson, R. W., Dhillon, V., Avila, R., & Love, G. D. (2011). Conjugate Plane Photometry: Reducing Scintillation for Ground-Based Fast Photometry. Monthly Notices of the Royal Astronomical Society, 411(2), 1223-1230 - Profiling the surface layer of optical turbulence with SLODAR
Osborn, J., Wilson, R., Butterley, T., Shepherd, H., & Sarazin, M. (2010). Profiling the surface layer of optical turbulence with SLODAR. Monthly Notices of the Royal Astronomical Society, 406(2), 1405-1408. https://doi.org/10.1111/j.1365-2966.2010.16795.x - GRB 100925A/MAXI J1659-152 - NOT optical observations.
De Cia, A., Malesani, D., Avila, R., Cox, G., Dhillon, V., Osborn, J., Wilson, R., Vreeswijk, P., & Jakobsson, P. (2010). GRB 100925A/MAXI J1659-152 - NOT optical observations - PSF halo reduction in adaptive optics using dynamic pupil masking
Osborn, J., Myers, R. M., & Love, G. D. (2009). PSF halo reduction in adaptive optics using dynamic pupil masking. Optics Express, 17(20), 17279-17292. https://doi.org/10.1364/oe.17.017279