Phase diversity restoration of sunspot images: I. Relations between penumbral and photospheric features

Astronomy and Astrophysics

Volumn 423, Issue 2, 2004, Pages 737-744

  Bonet, J A ^a   Marquez I ^a,d   Muller, R ^b   Sobotka, M ^c   Tritschler, A ^e,f  

^a INSTITUTO DE ASTROFÍSICA DE CANARIAS   (Spain)

^b OBSERVATOIRE MIDI PYRÉNÉES   (France)

^c ASTRONOMICAL INSTITUTE   (Czech Republic)

^d UNIVERSIDAD DE LA LAGUNA   (Spain)

^e KIEPENHEUER INSTITUT FÜR SONNENPHYSIK   (Germany)

^f NEW JERSEY INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Methods: data analysis; Sun: photosphere; Sun: sunspots; Techniques: image processing

Indexed keywords

APPROXIMATION THEORY; DATA REDUCTION; DIFFUSION; GRANULAR MATERIALS; IMAGE RECONSTRUCTION; OBSERVATORIES; PERTURBATION TECHNIQUES; TELESCOPES;

PENUMBRAL BOUNDARY; PHASE DIVERSITY; PHOTOSPHERE; SUNSPOTS;

SOLAR SYSTEM;

EID: 4043143512     PISSN: 00046361     EISSN: None     Source Type: Journal    
DOI: 10.1051/0004-6361:20034542     Document Type: Article

References (46)

1. Alissandrakis, C. E., Dialetis, D., & Tsiropoula, G. 1987, A&A, 174, 275
2. Beckers, J. M., & Schröter, E. H. 1969, Sol. Phys., 4, 303
3. Bellot Rubio, L. 2003, in 3rd international workshop on solar polarization, ed. J. Trujillo Bueno, & J. SA&Acute;nchez Almeida, ASP Conf. Ser., 307, 302
4. Bonet, J. A. 1999, in Motions in the solar atmosphere, ed. A. Hanslmeier, & M. Messerotti, ASSL Ser., 239 (Dordrecht: Kluwer), 1
5. Brickhouse, N. S., & La Bonte, B. J. 1988, Sol. Phys., 115, 43
6. Denker, C. 1998, Sol. Phys., 180, 81
7. Gonsalves, R. A., & Childlaw, R. 1979, in Applications of digital image processing III, ed. A. G. Tescher, Proc. Soc. Photo-Opt. Instrum. Eng., 207, 32
8. Gonsalves, R. A. 1982, Opt. Eng., 21, 829
9. Harvey, K., & Harvey, J. 1973, Sol. Phys., 28, 61
10. Hirzberger, J., Bonet, J. A., VA&Acute;zquez, M., & Hanslmeier, A. 1999, ApJ, 515, 441
11. Kawaguchi, I. 1980, Sol. Phys., 65, 207
12. Lee, J. W. 1992, Sol. Phys., 139, 267
13. Löfdahl, M. G., & Scharmer, G. B. 1994, A&AS, 107, 243
14. Löfdahl, M. G., Berger, T. E., Shine, R. S., & Title, A. M. 1998, ApJ, 495, 965
15. Martínez Pillet, V. 1997, in Advances in the physics of sunspots, ed. B. Schmieder, J. C. del Toro Iniesta, M. VA&Acute;zquez, ASP Conf. Ser., 118, 212
16. Meyer, F., Schmidt, H. U., Weiss, N. O., & Wilson, P. R. 1974, MNRAS, 169, 35
17. Molowny-Horas, R., & Yi, Z. 1994, ITA (Oslo) Internal Rep. No. 31
18. Muller, R. 1973, Sol. Phys., 29, 55
19. Muller, R. 1983, Sol. Phys., 85, 113
20. Muller, R., & Ména, B. 1987, Sol. Phys., 112, 295
21. Muller, R., & Roudier, T. 1992, Sol. Phys., 141, 27
22. Muller, R., Hulot, J. C., & Roudier, T. 1989, Sol. Phys., 119, 229
23. Paxman, R. G., Schulz, T. J., & Fienup, J. R. 1992, J. Opt. Soc. Am. A9, 7, 1072
24. Paxman, R. G., Seldin, J. H., Löfdahl, M. G., Scharmer, G. B., & Keller, C. U. 1996, ApJ, 466, 1087
25. Petrovay, K., & Moreno-Insertis, F. 1997, ApJ, 485, 398
26. Ryutova, M., Shine, R. A., Title, A. M., & Sakai, J. I. 1998, ApJ, 492, 402
27. Scharmer, G. B., Brown, D. S., Petterson, L., & Rehn, J. 1985, Appl. Opt. 24, 2558
28. Scharmer, G. B., Gudiksen, B. V., Kiselman, D., Löfdahl, M. G., & Rouppe van der Voort, L. H. M. 2002, Nature, 420, 151
29. Schlichenmaier, R. 2002, Astron. Nachr./AN, 323, 303
30. Sheeley, N. R. 1969, Sol. Phys., 9, 347
31. Sheeley, N. R. 1972, Sol. Phys., 25, 98
32. Sheeley, N. R., & Bhatnagar, A. 1971, Sol. Phys., 19, 338
33. Shine, R. A., Title, A. M., Frank, Z. A., & Scharmer, G. 1996, BAAS, 28, 871
34. Simon, G. W., Title, A. M., Topka, K. P., et al. 1988, ApJ, 327, 964
35. Skumanich, A. 1992, in Sunspots: Theory and Observations, ed. J. H. Thomas, & N. O. Weiss (Dordrecht: Kluwer), 121
36. Sobotka, M., Brandt, P. N., & Simon, G. W. 1997, A&A, 328, 682
37. Sobotka, M., Brandt, P. N., & Simon, G. W. 1999, A&A, 348, 621
38. Sobotka, M., & Sütterlin, P. 2001, A&A, 380, 714
39. Title, A. M., Frank, Z. A., Shine, R. A., et al. 1993, ApJ, 403, 780
40. Title, A. M., Frank, Z. A., Shine, R. A., Tarbell, T. D., & Simon, G. W. 1995, BAAS, 27, 978
41. Tonjes, K., & Wöhl, H. 1982, Sol. Phys., 78, 63
42. Vrabec, D. 1971, in Solar magnetic fields, ed. R. Howard (Dordrecht: Reidel), IAU Symp., 43, 329
43. Vrabec, D. 1974, in Chromospheric fine structure, ed. G. Athay (Dordrecht: Reidel), IAU Symp., 56, 201
44. Wang, H., & Zirin, H. 1992, Sol. Phys., 140, 41
45. Westendorp Plaza, C., del Toro Iniesta, J. C., Ruiz Cobo, B., et al. 2001, ApJ, 547, 1130
46. Zirin, H., & Wang, H. 1989, Sol. Phys., 119, 245