"Lucky imaging" and speckle discrimination for the detection of faint companions with adaptive optics

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7015, Issue , 2008, Pages

  Gladysz, Szymon ^a   Christou, Julian ^b   Law, Nicholas ^c   Dekany, Richard ^c   Redfern, Michael ^a   Mackayd, Craig ^d  

^a NATIONAL UNIVERSITY OF IRELAND   (Ireland)

^b NATIONAL SCIENCE FOUNDATION   (United States)

^c CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^d UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Adaptive optics; Astronomy; Exoplanets; Faint companions; Image processing

Indexed keywords

DETECTABILITY; EXOPLANETS; FAINT COMPANIONS; FRAME SELECTION; IMAGE QUALITY METRIC; LICK OBSERVATORY; LUCKY IMAGING; PEAK SIGNAL TO NOISE RATIO; POINT-SPREAD FUNCTIONS; PROBABILITY DENSITY FUNCTION (PDF); SHIFT-AND-ADD; STATIC SPECKLE; STATISTICAL SIGNATURES; STREHL RATIO; THEORETICAL PREDICTION;

ADAPTIVE OPTICS; ARCTIC ENGINEERING; ASTRONOMICAL SATELLITES; ASTROPHYSICS; BUILDINGS; IMAGE QUALITY; IMAGING SYSTEMS; OBSERVATORIES; OPTICAL DATA PROCESSING; OPTICAL INSTRUMENTS; OPTICAL TELESCOPES; OPTICAL TRANSFER FUNCTION; SIGNAL DETECTION; SIGNAL TO NOISE RATIO; SPECKLE; TELESCOPES;

PROBABILITY DENSITY FUNCTION;

EID: 66949181170     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.788442     Document Type: Conference Paper

References (16)

1. Fried, D. L., "Probability of getting a lucky short-exposure image through turbulence," J. Opt. Soc. Am. 68, 1651-1658 (1978).
2. Law, N. M., Mackay, C. D. and Baldwin, J. E., "Lucky imaging: high angular resolution imaging in the visible from the ground," Astronomy and Astrophysics 446, 739-745 (2006). (Pubitemid 43163655)
3. Law, N. M., Mackay, C. D., Dekany, R. G., Ireland, M., Lloyd, J. P., Moore, A. M., Robertson, J. G., Tuthill, P. and Woodruff, H., "Getting lucky with adaptive optics: Fast AO image selection in the visible with a large telescope," submitted to Astrophysical Journal (2008).
4. Gladysz, S. and Christou J. C., "Detection of faint companions through stochastic speckle discrimination," Astrophysical Journal, in press (2008).
5. Fitzgerald M. P. and Graham, J. R., "Speckle statistics in adaptively corrected images," Astrophysical Journal 637, 541-547 (2006).
6. Gladysz, S., Christou, J. C. and Redfern, M., "Characterization of the Lick adaptive optics point spread function," Proc. SPIE 6272 (2006).
7. Baldwin, J. E., Tubbs, R. N., Cox, G. C., Mackay, C. D., Wilson, R. W. and Andersen, M. I., "Diffraction-limited 800nm imaging with the 2.56m Nordic Optical Telescope," Astronomy and Astrophysics 368, L1-L4 (2001). (Pubitemid 32960452)
8. Hecht, E., "Optics" (4th edition), Addison Wesley, Reading MA (2001).
9. Gladysz, S., Christou, J. C., Bradford, L.W. and Roberts, Jr, L. C., "Temporal variability and statistics of the Strehl ratio in adaptive-optics images," submitted to Publications of the Astronomical Society of the Pacific (2008).
10. Lloyd, J. P., Liu, M. C., Macintosh, B. A., Severson, S. A., Deich, W. T. and Graham, J. R., "IRCAL: the infrared camera for adaptive optics at Lick Observatory," Proc. SPIE 4008, 814-821 (2000).
11. Hinkley, S., Oppenheimer, B. R., Soummer, R., Sivaramakrishnan, A., Roberts, L. C., Jr., Kuhn, J., Makidon, R. B., Perrin, M. D., Lloyd, J. P., Kratter, K. and Brenner, D., "Temporal evolution of coronagraphic dynamic range, and constraints on companions to Vega," Astrophysical Journal 654, 633-640 (2007).
12. Diolaiti, E., Bendinelli, O., Bonaccini, D., Close, L., Currie, D. and Parmeggiani, G., "Analysis of isoplanatic high resolution stellar fields by the StarFinder code," Astronomy and Astrophysics Supplement 147, 335-346 (2000).
13. Itoh, Y., Oasa, Y. and Fukagawa, M., "Coronagraphic Search for Extra-Solar Planets around epsilon Eri and Vega," Astrophysical Journal 652, 1729-1733 (2006).
14. Janson, M., Brandner, W., Henning, T. and Zinnecker, H., "Early ComeOn+ adaptive optics observation of GQ Lupi and its substellar companion," Astronomy and Astrophysics 453, 609-614 (2006). (Pubitemid 44013092)
15. Marois, C., Doyon, R., Nadeau, D., Racine, R., Riopel, M., Vallée, P. and Lafrenière, D., "TRIDENT: An Infrared Differential Imaging Camera Optimized for the Detection of Methanated Substellar Companions," Publications of the Astronomical Society of the Pacific 117, 745-756 (2005). (Pubitemid 41137596)
16. Soummer, R., Ferrari, A., Aime, C. and Jolissaint, L., "Speckle noise and dynamic range in coronagraphic images," Astrophysical Journal 669, 642-656 (2007).