Astronomy & Applied Imaging Research Group

"Characterization of the variability of the Strehl ratio of adaptive optics point spread functions"

Christou J. C.; Gladysz, S.; Redfern, M.; Roberts L. C., Jr.; Bradford, L. W.

Proceedings of the 2006 AMOS Technical Conference, September 10-14, 2006

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"An avalanche photodiode photon counting camera for high-resolution astronomy"

Ryan, O.; Redfern, M.; Shearer, A.

Experimental Astronomy, 2006

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"High speed photon-counting imager using a position sensitive diode"

Ryan, O.; Redfern, M.; Shearer, A.

Experimental Astronomy, 2006

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"Photon counting camera for high-resolution astronomy"

Ryan, O.; Redfern, M.; Shearer, A.

Proc. SPIE Vol. 6276 (High Energy, Optical, and Infrared Detectors for Astronomy II), 2006

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"High-speed imaging photon-counting system"

Ryan, O.; Redfern, M.; Shearer, A.

Proc. SPIE Vol. 6276 (High Energy, Optical, and Infrared Detectors for Astronomy II), 2006

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"HiTRI Study Report - a European Extremely Large Telescope Design Study"

Ryan, O.; Redfern, M.

August, 2006

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"Characterization of the Lick Adaptive Optics Point Spread Function"

Gladysz, S.; Christou J.; Redfern, M.

Proc. SPIE Vol. 6272, 2006

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"Shadow Bands Observed During the Total Solar Eclipse of 4 December 2002, by High-Resolution Imaging"

Gladysz, S.; Redfern, M.; Jones, B. W.

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 67, Issue 10, p. 899-906, 2005

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"Shadow Bands Observed During the Total Solar Eclipse of 4 December 2002, by High-Resolution Imaging"

Gladysz, S.; Redfern, M.; Jones, B. W.

Proceedings of the Astronomical Data Analysis Software and Systems XIII, ASP Conference Proceedings, Vol. 314, p. 513, 2004

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"Enhanced Optical Emission During Crab Giant Radio Pulses"

Shearer, A.; Stappers, B.; Connor, P. O'; Strom, A. Golden R.; Redfern, M.; Ryan, O.

Science 301, p. 493-495, 2003

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"A New Survey of Variability in the Core of M15 with TRIFFID-2"

Tuairisg, S. Ó.; Butler, R.; Shearer, A.; Redfern, M.; Butler, D.

New Horizons in Globular Cluster Astronomy, ASP Conference Proceedings, Vol. 296, 2003

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"TRIFFID observations of the cores of the three globular clusters M15, M92 and NGC 6712"

Tuairisg, S. Ó.; Butler, R. F.; Shearer, A.; Redfern, R. M.; Butler, D.; Penny, A.

Monthly Notices of the Royal Astronomical Society, Volume 345, Issue 3, pp. 960-980, 2003

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"Measuring the absolute height and profile of the mesospheric sodium layer using a continuous wave laser"

Tuairisg, S. Ó.; Butler, D. J.; Davies, R. I.; Redfern, R. M.; Ageorges, N.; Fews, H.

Monthly Astronomy and Astrophysics, v.403, p.775-785, 2003

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"Axial Detection of Aircraft Wake Vortices Using Doppler Lidar"

Keane M.; Buckton D.; Redfern M.; Bollig C.; Wedekind C.; Köpp F.; Berni F.

Journal of Aircraft, vol. 39, iss. 5, pp. 850-861(12), 2002

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"Characterization of Geiger mode avalanche photodiodes for fluorescence decay measurements"

Jackson, John C.; Phelan, Don; Morrison, Alan P.; Redfern, R. Michael; Mathewson, Alan

Proc. SPIE Vol. 4650, p. 55-66, Photodetector Materials and Devices VII, 2002

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"High speed phase-resolved 2-d UBV photometry of the Crab pulsar"

Golden, A.; Shearer, A.; Redfern, R. M.; Beskin, G. M.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V. L.; Cullum, M.

Astronomy and Astrophysics, v.363, p.617-628, 2000

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"Laser guide star: monitoring and light pollution"

Ageorges, Nancy; Redfern, R. Michael; Delplancke, Francoise; O'Sullivan, C.

Proc. SPIE Vol. 4007, p. 384-394, Adaptive Optical Systems Technology, 2000

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"Sodium layer monitoring at Calar Alto by LIDAR"

Butler, David J.; Davies, Richard I.; Fews, Hayden; Redfern, R. Michael; Ageorges, Nancy; Hackenberg, Wolfgang K.; Rohloff, Ralf-Rainer; Rabien, Sebastian; Ott, Thomas; Hippler, Stefan

Proc. SPIE Vol. 4007, p. 358-367, Adaptive Optical Systems Technology, 2000

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"Rapid photometry of supernova 1987A: a 2.14 ms pulsar?"

Middleditch, John; Kristian, Jerome A.; Kunkel, William E.; Hill, Kym M.; Watson, Robert D.; Lucinio, Richard; Imamura, James N.; Steiman-Cameron, Thomas Y.; Shearer, Andrew; Butler, Raymond; Redfern, Michael; Danks, Anthony C.

New Astronomy, vol. 5, no. 5, p. 243-283, 2000

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"Short timescale variability of the mesospheric sodium layer"

O'Sullivan, C.; Redfern, R. M.; Ageorges, N.; Holstenberg, H.-C.; Hackenberg, W.; Ott, T.; Rabien, S.; Davies, R.; Eckart, A.

Experimental Astronomy, v. 10, Issue 1, p. 147-156, 2000

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"Absolute Tilt from a Laser Guide Star: A First Experiment"

Esposito, S.; Ragazzoni, R.; Riccardi, A.; O'Sullivan, C.; Ageorges, N.; Redfern, M.; Davies, R.

Experimental Astronomy, v. 10, Issue 1, p. 135-145, 2000

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"Simulation of Wake Vortex Detection with Airborne Doppler Lidar"

Darracq D.; Corjon A.; Ducros F.; Keane M.; Buckton D.; Redfern M.

Journal of Aircraft, vol. 37, iss. 6, pp. 984-993(10), 2000

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"Atmospheric Sodium Column Density Monitoring"

Ageorges, N.; Hubin, N.; Redfern, R. M.

Astronomy with adaptive optics : present results and future programs, ESO Conference and Workshop Proceedings, vol. 56, 1999

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"LGS Light Pollution Investigation in Calar Alto"

Delplancke, F.; Ageorges, N.; Hubin, N.; O'Sullivan, C.

Astronomy with adaptive optics : present results and future programs, ESO Conference and Workshop Proceedings, vol. 56, 1999

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"The Mesospheric Sodium Layer at Calar Alto, Spain"

O'Sullivan, C. M. M.; Redfern, R. M.; Ageorges, N.; Holstenberg, H.-C.; Hackenberg, W.; Rabien, S.; Ott, T.; Davies, R.; Eckart, A.

Astronomy with adaptive optics : present results and future programs, ESO Conference and Workshop Proceedings, vol. 56, 1999

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"Catching the light curve of a flaring GRB. The opportunity offered by gravitational lensing",

Beskin, G. M.; Shearer, A.; Golden, A.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.

1999, Astronomy & Astrophysics, 138..587B

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"Radius and distance estimates of the isolated neutron stars Geminga and PSR  B0656 14 using optical photometry",

Shearer, A.; Golden, A.   

1999, Astronomy & Astrophysics, 342L...5G

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"Implications of Phase-Resolved Optical Emission from Isolated Neutron Stars"

Shearer, A.; Golden, A.; Beskin, G.; O'Connor, P.; Redfern, M.

1998tx19.confE.257S

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"Modeled results of pulsed optical emission from neutron stars"

O'Connor, P.; Shearer, A.; Golden, A.

1998tx19.confE.249O

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"Unpulsed Optical Emission Studies: Geminga, PSR B0656 14 & the Crab"

Golden, A.; Shearer, A.; Beskin, G.; Redfern, M.

1998tx19.confE.240G

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"Results and Perspectives of the Search for Single Stellar Mass Black Holes"

Beskin, G.; Plokhotnichenko, V.; Shearer, A.; Golden, A.; Redfern, M.

1998tx19.confE.104B

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"Gravlensing as a Tool for Reconstruction of the all-Ranges Transient Behaviour During Cosmological Gamma-ray Bursters"

Beskin, G.; Shearer, A.; Golden, A.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.

1998tx19.confE..53B

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"Scanning Telescope for Optical Transient Detection Simultaneously With the  Gamma-ray Bursts"

Beskin, G.; Plokhotnichenko, V.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.; Shearer, A.; Golden, A.

1998tx19.confE..52B

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"A Connection Between Gamma-ray Bursts and Single Black Holes"

Beskin, G.; Shearer, A.; Golden, A.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.

1998tx19.confE..51B

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"A search for the optical counterpart of PSR B1951 32 in the supernova remnant CTB 80"

O'Sullivan, Creidhe; Shearer, A.; Colhoun, M.; Golden, A.; Redfern, M.; Butler, R.; Beskin, G. M.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V.; Danks, A.

1998A&A...335..991O

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"Possible pulsed optical emission from Geminga"

Shearer, A.; Golden, A.; Harfst, S.; Butler, R.; Redfern, M.; O'Sullivan, C. M. M.; Beskin, G.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V.; Cullum, M.; Danks, A.

1998A&A...335L..21S

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"TRIFFID Photometry of Globular Cluster Cores - I. Photometric Techniques and Variable Stars in M15"

Butler, R.; Shearer, A.; Redfern, M.; Colhoun, M.; O' Kane, P; Penny, A. J.; Morris, P. W.; Griffiths, W. K.; Cullum, M.;

1998MNRAS.296..379B

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"Time-resolved optical observations of PSR 1509-58"

Shearer, A.; O'Sullivan, C. M. M.; Golden, A.; Garcia, P. V. R.; Redfern, M.; Danks, A.; Cullum, M.

1998A&A...333L..16S

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"Single black holes as parent bodies of galactic and  extragalactic gamma-ray bursts"

Beskin, G.; Shearer, A.; Redfern, M.; Golden, A.; Butler, R. C.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.

1998hgrb.symp..815B

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"Investigation of gamma-ray burst light curves in different spectral ranges by means of gravitational  lensing"

Beskin, G.; Shearer, A.; Redfern, M.; Golden, A.; Butler, R. C.; Bartolini, C.; Guarnieri, A.; Masetti, N.; Piccioni, A.

1998axrs.symp..703B

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"PSR J0633 1746"

Shearer, A.; Golden, A.; Redfern, M.; Beskin, G.

1997IAUC.6787....2S

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"Pulsed Optical Emission from PSR 0656 14"

Shearer, A.; Redfern, M.; Gorman, G.; Butler, R.; Golden, A.; O'Kane, P.; Beskin, G.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V. L.; Cullum, M.

1997ApJ...487L.181S

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"Observations of Isolated Pulsars Using the TRIFFID Camera"

Shearer, A.; Redfern, M.; Butler, R.; Golden, A.; O'Kane, P.; Colhoun, M.

1997IAUS..188E..73S

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"International Astronomical Union circular No. 6787"

Shearer, A.; Golden, A.; Redfern, R. M.

1997

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"Pulsed Optical Emission from PSR 0656 14"

Shearer, A.; Redfern, R. M.; Gorman, G.; Butler, R.; Golden, A.; O'Kane, P.; Beskin, G. M.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V. L.; Cullum, M.

Astrophysical Journal Letters v.487, p. L181, 1997

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"Uses of microchannel plate intensified detectors for imaging applications in the X-ray, EUV and visible wavelength regions"

Read, Peter D.; Carter, Martin K.; Kent, Barry J.; Swinyard, Bruce M.; Patchett, B. E.; Redfern, R. M.; Shearer, A.; Colhoun, M.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 392, Issues 1-3, p. 359-363, 1997

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"A Search for the Optical Counterpart of the Triple Pulsar System PSR B1620-26 in M4"

Shearer, A.; Butler, R.; Redfern, R. M.; Cullum, M.; Danks, A. C.

Astrophysical Journal Letters v.473, p. L115 , 1996

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"A Search for the Optical Counterpart of the Triple Pulsar System PSR B1620-26 in M4"

Shearer, A.; Butler, R.; Redfern, M.; Cullum, M.; Danks, A. C.

1996ApJ...473L.115S

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"PSR B0656 14"

Shearer, A.; Redfern, M.; Gorman, G.; Butler, R.; O'Kane, P.; Golden, A.; Beskin, G.; Neizvestny, S. I.; Neustroev, V. V.; Plokhotnichenko, V. L.; Cullum, M.

1996IAUC.6502....2S

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"CROWDED FIELD PHOTOMETRY OF M15 USING THE TRIFFID CAMERA"

Butler, R.; Shearer, A.; Redfern, M.

1996IrAJ...23...37B

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"Versatile high-resolution imaging detector system for use in x-ray, EUV, and visible wavelength regions"

Read, Peter D.; Carter, Martin K.; Kent, Barry J.; Swinyard, Bruce M.; Patchett, B. E.; Redfern, M.; Shearer, A.; Van Breda, IAN G.

1995SPIE.2551..224R

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"Computerized phonoenterography: the clinical investigation of a new system"

Sugrue, M.; Redfern, M.

Journal of Clinical Gastroenterology, 18, p. 139-144, 1994

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"PSR 0540-693"

Shearer, A.; Redfern, M.; Rowold, T.; O'Kane, P.; Butler, R.; O'Byrne, C.; Pedersen, H.

1993IAUC.5786....2S

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"Crowded Field Photometry using Post-Exposure Image Sharpening Techniques"

Redfern, M.; Shearer, A.; Wouts, R.; O'Kane, P.; O'Byrne, C.; Read, P. D.; Carter, M.; Jordan, B. D.; Cullum, M.

1993spct.conf..147R

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"TRIFFID imaging of 47 Tuc on the NTT."

Redfern, M.; Shearer, A.; O'Kane, P.; Cullum, M.; O'Byrne, C.; Butler, R.; Jordan, B. D.

1993Msngr..72...29R

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"HIGH-SPEED DATA GATHERING SYSTEM FOR SPECKLE AND OTHER HIGH-RESOLUTION IMAGING TECHNIQUES"

Redfern, M.; Jordan, B. D.; O'Byrne, C.; O'Kane, P.; Shearer, A.; Wooder, N.; Wouts, R.

1992hrii.conf..543R

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"High-resolution imaging of Virgo cluster galaxies. I - Observational techniques and first results"

Tanvir, N. R.; Shanks, T.; Major, J. V.; Doel, A. P.; Dunlop, C. N.; Myers, R. M.; Redfern, M.; O'Kane, P.; Devaney, M. N.

1991MNRAS.253P..21T

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"Image sharpening of time-tagged counts from a photon counting detector - Application of a modified Wiener filter"

Redfern, M.; Devaney, M. N.; O'Kane, P.; Ballesteros Ramirez, E.; Gomez Renasco, R.; Rosa, F.

1989MNRAS.238..791R

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"HIGH RESOLUTION IMAGING ON LA-PALMA"

Redfern, M.

1989IrAJ...19....4R

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"HIGH-RESOLUTION IMAGING OF VIRGO CLUSTER GALAXIES"

Shanks, T.; Tanvir, N. R.; Redfern, M.

1988PASP..100R1226S

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"REALTIME IMAGE SHARPENING"

Devaney, M. N.; Redfern, M.; Ballesteros Ramirez, E.; Gomez Renasco, R.; O'Kane, P.; Rosa, F.

1988dli..conf..369D

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"Exosat observations of the X-ray source in M15"

Callanan, P. J.; Fabian, A. C.; Tennant, A. F.; Redfern, M.; Shafer, R. A.

1987MNRAS.224..781C

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"AC 211"

Naylor, T.; Charles, P. A.; Callanan, P. J.; Redfern, M.; Ilovaisky, S. A.; Chevalier, C.; Auriere, M.; Angebault, P.; Koch-Miramond, L.; Cordoni, J. P.

1986IAUC.4263....1N

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"Intriguing Spectral Features in X-Ray Burster Emission?"

Redfern, M.

1985IrAJ...17..128R

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"Exosat - Present status and future prospects"

Redfern, M.

1985IrAJ...17...31R

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"Do comets provide material for the anomalous component of the cosmic rays"

Fowler, P. H.; Redfern, M.; Swordy, S. P.

1979Natur.279..622F

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"LOW-ENERGY GAMMA RAYS FROM NP 0532"

Hillier, R. R.; Jackson, W. R.; Murray, A.; Redfern, R. M.; Sale, R. G.

1970ApJ...162L.177H

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