The 12C/13C isotope gradient derived from millimeter transitions of CN: The case for Galactic chemical evolution

Astrophysical Journal

Volumn 634, Issue 2 I, 2005, Pages 1126-1132

  Milam, S N ^a   Savage, C ^a,c   Brewster, M A ^a,d   Ziurys, L M ^a   Wyckoff, S ^b  

^a University of Arizona   (United States)

^b ARIZONA STATE UNIVERSITY   (United States)

^c UNIVERSITY OF COLORADO   (United States)

^d Sfyri Inc   (United States)

Author keywords

Astrochemistry; Galaxy: evolution; ISM: abundances; ISM: clouds; Radio lines: ISM; Stars: AGB and post AGB

Indexed keywords

EID: 29244463524     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/497123     Document Type: Article

References (51)

1. Aoki, W., Inoue, S., Kawanomoto, S., Ryan, S. G., Smith, I. M., Suzuki, T. K., & Takada-Hidai, M. 2004, A&A, 428, 579
2. Apponi, A. J., Pesch, T. C., & Ziurys, L. M. 1999, ApJ, 519, L89
3. Binney, J., & Merrifield, M. 1998, Galactic Astronomy (Princeton: Princeton Univ. Press)
4. Blitz, L., Fich, M., & Stark, A. A. 1982, ApJS, 49, 183
5. Boothroyd, A. I., & Sackmann, I.-J. 1999, ApJ, 510, 232
6. Carral, P., & Welch, W. J. 1992, ApJ, 385, 244
7. Casassus, S., Stahl, O., & Wilson, T. L. 2005, A&A, 441, 181
8. Churchwell, E., Walmsley, C. M., & Wood, D. O. S. 1992, A&A, 253, 541
9. Clayton, D. D. 1983, Principles of Stellar Evolution and Nucleosynthesis (Chicago: Univ. Chicago Press)
10. _. 2003, Handbook of Isotopes in the Cosmos (Cambridge: Cambridge Univ. Press)
11. Clayton, D. D., & Niftier, L. R. 2004, ARA&A, 42, 39
12. Dickel, H. R., Dickel, J. R., & Wilson, W. J. 1981, ApJ, 250, L43
13. Gardner, F. F., & Whiteoak, J. B. 1979, MNRAS, 188, 331
14. Goldsmith, P. F., & Mao, X.-J. 1983, ApJ, 265, 791
15. Goswami, J. N., & Vanhala, H. A. T. 2000, in Protostars and Planets IV, ed. V. Mannings, A. P. Boss, & S. S. Russell (Tucson: Univ. Arizona Press), 963
16. Güsten, R., Henkel, C., & Batrla, W. 1985, A&A, 149, 195
17. Henkel, C., Güsten, R., & Gardner, F. F. 1985, A&A, 143, 148
18. Henkel, C., Walmsley, C. M., & Wilson, T. L. 1980, A&A, 82, 41
19. Henkel, C., Wilson, T. L., & Bieging, J. 1982, A&A, 109, 344
20. Henkel, C., Wilson, T. L., Walmsley, C. M., & Pauls, T. 1983, A&A, 127, 388
21. Herwig, F., & Austin, S. M. 2004, ApJ, 613, L73
22. Iben, I., Jr., & Renzini, A. 1983, ARA&A, 21, 271
23. _. 1984, Phys. Rep., 105, 329
24. Jaffe, D. T., Genzel, R., Harris, A. I., Lugten, J. B., Stacey, G. J., & Stutzki, J. 1989, ApJ, 344, 265
25. Keene, J., et al. 1998, ApJ, 494, L107
26. Kramer, C., Jakob, H., Mookerjea, B., Schneider, N., Brüll, M., & Stutzki, J. 2004, A&A, 424, 887
27. Langer, W. D. 1992, in IAU Symp. 150, Astrochemistry of Cosmic Phenomena, ed. P. D. Singh (Drodrecht: Kluwer), 193
28. Langer, W. D., Graedel, T. E., & Armentrout, P. B. 1984, ApJ, 277, 581
29. Langer, W. D., & Penzias, A. A. 1990, ApJ, 357, 477
30. _. 1993, ApJ, 408, 539
31. Le Teuff, Y. H., Millar, T. J., & Markwick, A. J. 2000, A&AS, 146, 157
32. Lis, D. C., & Goldsmith, P. F. 1991, ApJ, 369, 157
33. Mangum, J. G., Wootten, A., & Barsony, M. 1999, ApJ, 526, 845
34. Mangum, J. G., Wootten, A., & Mundy, L. G. 1991, ApJ, 378, 576
35. McNamara, D. H., Madsen, J. B., Barnes, J., & Ericksen, B. F. 2000, PASP, 112, 202
36. Olive, K., & Schramm, D. 1982, ApJ, 257, 276
37. Pagel, B. 1997, Nucleosynthesis and Chemical Evolution of Galaxies (Cambridge: Cambridge Univ. Press)
38. Penzias, A. A. 1980, Science, 208, 663
39. Prantzos, N., & Aubert, O. 1995, A&A, 302, 69
40. Prantzos, N., Aubert, O., & Audouze, J. 1996, A&A, 309, 760
41. Prasad, S. S., & Huntress, W. T., Jr. 1980a, ApJS, 43, 1
42. _. 1980b, ApJ, 239, 151
43. Savage, C., Apponi, A. J., Ziurys, L. M., & Wyckoff, S. 2002, ApJ, 578, 211
44. Timmes, F. X., Woosley, S. E., & Weaver, T. A. 1995, ApJS, 98, 617
45. van der Werf, P. P., Stutzki, J., Sternberg, A., & Krabbe, A. 1996, A&A, 313, 633
46. Watson, W. D., Anicich, V. G., & Huntress, W. T., Jr. 1976, ApJ, 205, L165
47. White, G. J., Phillips, J. P., Beckman, J. E., & Cronin, N. J. 1982, MNRAS, 199, 375
48. Wielen, R., Fuchs, B., & Dettbarn, C. 1996, A&A, 314, 438
49. Wielen, R., & Wilson, T. 1997, A&A, 326, 139
50. Wilson, T. L., & Rood, R. T. 1994, ARA&A, 32, 191
51. Wouterloot, J. G. A., & Brand, J. 1996, A&AS, 119, 439