Determination of the physical conditions of the knots in the Helix Nebula from optical and infrared observations

Astronomical Journal

Volumn 133, Issue 5, 2007, Pages 2343-2356

  O'Dell, C R ^a   Henney, W J ^b   Ferland, G J ^c  

^a VANDERBILT UNIVERSITY   (United States)

^b CENTRO DE RADIOASTRONOMÍA Y ASTROFÍSICA   (Mexico)

^c UNIVERSITY OF KENTUCKY   (United States)

Author keywords

Planetary nebulae: individual (Helix Nebula, NGC 7293)

Indexed keywords

EID: 34249314692     PISSN: 00046256     EISSN: None     Source Type: Journal    
DOI: 10.1086/513011     Document Type: Article

References (52)

1. Bertoldi, F., & Draine, B. T. 1996, ApJ, 458, 222
2. Black, J. H., & van Dishoeck, E. F. 1987, ApJ, 322, 412
3. Bohlin, R. C., Harrington, J. P., & Stecher, T. P. 1982, ApJ, 252, 635
4. Burkert, A., & O'Dell, C. R. 1998, ApJ, 503, 792
5. Cantó, J, Raga, A., Steffen, W., & Shapiro, P. R. 1998, ApJ, 502, 695
6. Cerruti-Sola, M., & Perinotto, M. 1985, ApJ, 291, 237
7. Cox, P., et al. 1998, ApJ, 495, L23 (C98)
8. Dabrowski, I. 1984, Canadian J. Phys., 62, 1639
9. Dyson, J. E., Hartquist, T. W., & Biro, S. 1993, MNRAS, 261, 430
10. Dyson, J. E., Pittard, J. M., Meaburn, J., & Falle, S. A. E. G. 2006, A&A, 457, 561
11. Fazio, G., et al. 2004, ApJS, 154, 10
12. García-Segura, G., López, J. A., Steffen, W., Meaburn, J., & Manchado, A. 2006, ApJ, 646, L61
13. Gonzaga, S., et al. 2005, ACS Instrument Handbook, Ver. 6.0 (Baltimore: STScI), http://www.stsci.edu:8083/hst/acs/documents/handbooks/cycle15/cover.html
14. Guerrero, M. A., Chu, Y.-H., Gruendl, R. A., Williams, R. M., & Kaler, J. B. 2001, ApJ, 553, L55
15. Harris, H. C., et al. 2007, AJ, 133, 631
16. Henney, W. J. 2001, RevMexAA, 10, 57
17. Hollenbach, D. J., & Tielens, A. G. G. M. 1997, ARA&A, 35, 179
18. Holtzman, J. A., Burrows, C. J., Castertano, S., Hester, J. J., Trauger, J. T., Watson, A. M., & Worthey, G. 1995, PASP, 107, 1065
19. Hora, J. L., Latter, W. B., Smith, H. A., & Marengo, M. 2006, ApJ, 652, 426 (H06)
20. Houck, J. R., et al. 2004, ApJS, 154, 18
21. Huggins, P. J., Forveille, T., Bachiller, R., Cox, P., Ageorges, N., & Walsh, J. R. 2002, ApJ, 573, L55
22. Leahy, D. A., Zhang, C. Y., & Kwok, S. 1994, ApJ, 422, 205
23. Leahy, D. A., Zhang, C. Y., Volk, K., & Kwok, S. 1996, ApJ, 466, 352
24. López-Martín, L., Raga, A. C., Melleman, G., Henney, W. J., & Cantó, J. 2001, ApJ, 548, 288
25. Meaburn, J., Boumis, P., López, J. A., Harman, D. J., Bryce, M., Redman, M. P., & Mavromatakis, F. 2005, MNRAS, 360, 963 (M05)
26. Meaburn, J., Clayton, C. A., Bryce, M., Walsh, J. R., Holloway, A. J., & Steffen, W. 1998, MNRAS, 294, 201
27. Meaburn, J., Walsh, J. R., Clegg, R. E. S., Walton, N. A., & Taylor, D. 1992, MNRAS, 255, 177
28. Meixner, M., McCullough, P., Hartman, J., O'Dell, C. R., & Speck, A. K. 2004, in ASP Conf. Ser. 313, Asymmetrical Planetary Nebulae III, ed. M. Meixner et al. (San Francisco: ASP), 234
29. Meixner, M., McCullough, P. R., Hartman, J., Son, M., & Speck, A. K. 2005, AJ, 130, 1784 (MX05)
30. Mellema, G., Raga, A. C., Cantó, J., Lundqvist, P., Balick, B., Steffen, W., & Noriega-Crespo, A. 1998, A&A, 331, 335
31. Natta, A., & Hollenbach, D. 1998, A&A, 337, 517
32. O'Dell, C. R. 1998, AJ, 116, 1346
33. _. 2000, AJ, 119, 2311
34. _. 2004, PASP, 116, 729
35. _. 2005, RevMexAA, 23, 5
36. O'Dell, C. R., Balick, B., Hajian, A. R., & Henney, W. J. 2002, AJ, 123, 3329
37. O'Dell, C. R., & Burkert, A. 1997, in IAU Symp. 180, Planetary Nebulae, ed. H. J. Habing & H. J. G. L. M. Lamers (Dordrecht: Kluwer), 332
38. O'Dell, C. R., & Doi, T. 1999, PASP, 111, 1316
39. O'Dell, C. R., & Handron, K. D. 1996, AJ, 111, 1630
40. O'Dell, C. R., Henney, W. J., & Burkert, A. 2000, AJ, 119, 2910 (OHB00)
41. O'Dell, C. R., Henney, W. J., & Ferland, G. J. 2005, AJ, 130, 172 (OHF05)
42. O'Dell, C. R., McCullough, P. R., & Meixner, M. 2004, AJ, 128, 2339 (OMM04)
43. Phillips, J. P. 2006, MNRAS, 368, 819
44. Rauch, T. 2003, A&A, 403, 709
45. Rodríguez, L. F., Goss, W. M., & Williams, R. 2002, ApJ, 574, 179
46. Shaw, G., Ferland, G. J., Abel, N. P., Stancil, P. C., & van Hoof, P. A. M. 2005, ApJ, 624, 794
47. Speck, A. K., Meixner, M., Fong, D., McCulough, P. R., Moser, D. E., & Ueta, T. 2002, AJ, 123, 346
48. Thompson, R. I., Rieke, M., Schneider, G., Hines, D. C., & Corbin, M. R. 1998, ApJ, 492, L95
49. Walsh, J. R., & Ageorges, N. 2003, in IAU Symp. 209, Planetary Nebulae: Their Evolution and Role in the Universe, ed. S. Kwok, M. Dopita, & R. Sutherland (San Francisco: ASP), 275
50. Wolniewicz, L., Simbotin, I., & Dalgarno, A. 1998, ApJS, 115, 293
51. Wood, K., Mathis, J. S., & Ercolano, B. 2004, MNRAS, 348, 1337
52. Young, K., Cox, P., Huggins, P. J., Forveille, T., & Bachiller, R. 1999, ApJ, 522, 387