Probing the evolutionary status of starless cores through N 2H+ and N2D+ observations

Astrophysical Journal

Volumn 619, Issue 1 I, 2005, Pages 379-406

  Crapsi, A ^a,b   Caselli, P ^c   Walmsley, C M ^c   Myers, P C ^b   Tafalla, M ^d   Lee, C W ^e   Bourke, T L ^b  

^a UNIVERSITY OF FLORENCE   (Italy)

^b HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS   (United States)

^c INAF OSSERVATORIO ASTROFISICO DI ARCETRI   (Italy)

^d Observ Astronómico Nacional ^*  (Spain)

^e Korea Astronomy and Space Science Institute (KASI)   (South Korea)

Author keywords

ISM: clouds; ISM: evolution; ISM: kinematics and dynamics; ISM: molecules; Stars: formation

Indexed keywords

EID: 14544281892     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/426472     Document Type: Article

References (80)

1. Aikawa, Y., Ohashi, N., & Herbst, E. 2003, ApJ, 593, 906
2. Aikawa, Y., Ohashi, N., Inutsuka, S., Herbst, E., & Takakuwa, S. 2001, ApJ, 552, 639
3. Alves, J., Lada, C. J., & Lada, E. A. 1999, ApJ, 515, 265
4. André, P., Ward-Thompson, D., & Barsony, M. 2000, in Protostars and Planets IV, ed. V. Mannings, A. P. Boss, & S. S. Russell (Tucson: Univ. Arizona Press), 59
5. André, P., Ward-Thompson, D., & Motte, F. 1996, A&A, 314, 625
6. Bacmann, A., André, P., Puget, J.-L., Abergel, A., Bontemps, S., & Ward-Thompson, D. 2000, A&A, 361, 555
7. Bacmann, A., Lefloch, B., Ceccarelli, C., Castets, A., Steinacker, J., & Loinard, L. 2002, A&A, 389, L6
8. Bacmann, A., Lefloch, B., Ceccarelli, C., Steinacker, J., Castets, A., & Loinard, L. 2003, ApJ, 585, L55
9. Beiloche, A., & André, P. 2004, A&A, 419, L35
10. Benson, P. J., & Myers, P. C. 1989, ApJS, 71, 89
11. Bergin, E. A., Alves, J., Huard, T., & Lada, C. J. 2002, ApJ, 570, L101
12. Bergin, E. A., Ciardi, D. R., Lada, C. J., Alves, J., & Lada, E. A. 2001, ApJ, 557, 209
13. Bergin, E. A., & Langer, W. D. 1997, ApJ, 486, 316
14. Bianchi, S., Gonçalves, J., Albrecht, M., Caselli, P., Chini, R., Galli, D., & Walmsley, M. 2003, A&A, 399, L43
15. Broguière, D., Neri, R., Sievers, A., & Wiesemeyer, H. 2003, NIC Bolometer Users Guide, http://www.iram.fr/IRAMFR/GILDAS
16. Buisson, G., Desbats, L., Ouvert, G., Forveille, T., Gras, R., Guilloteau, S., Lucas, R., & Valiron, P. 2002, CLASS Manual
17. Carey, S. J., Clark, F. O., Egan, M. P., Price, S. D., Shipman, R. F., & Kuchar, T. A. 1998, ApJ, 508, 721
18. Caselli, P., Benson, P. J., Myers, P. C., & Tafalla, M. 2002a, ApJ, 572, 238
19. Caselli, P., Myers, P. C., & Thaddeus, P. 1995, ApJ, 455, L77
20. Caselli, P., Walmsley, C. M., Tafalla, M., Dore, L., & Myers, P. C. 1999, ApJ, 523, L165
21. Caselli, P., Walmsley, C. M., Terzieva, R., & Herbst, E. 1998, ApJ, 499, 234
22. Caselli, P., Walmsley, C. M., Zucconi, A., Tafalla, M., Dore, L., & Myers, P. C. 2002b, ApJ, 565, 331
23. _. 2002c, ApJ, 565, 344
24. Ciolek, G. E., & Basu, S. 2000, ApJ, 529, 925 (CB00)
25. Ciolek, G. E., & Mouschovias, T. C. 1995, ApJ, 454, 194
26. Crapsi, A., Caselli, P., Walmsley, C. M., Tafalla, M., Lee, C. W., Bourke, T. L., & Myers, P. C. 2004, A&A, 420, 957
27. Crutcher, R. M., Nutter, D. J., Ward-Thompson, D., & Kirk, J. M. 2004, ApJ, 600, 279
28. Curry, C. L. 2002, ApJ, 576, 849
29. Curry, C. L., & Stahler, S. W. 2001, ApJ, 555, 160
30. Dalgarno, A., & Lepp, S. 1984, ApJ, 287, L47
31. Dore, L., Caselli, P., Beninati, S., Bourke, T., Myers, P. C., & Cazzoli, G. 2004, A&A, 413, 1177
32. Evans, N. 2002, in Chemistry as a Diagnostic of Star Formation, ed. C. L. Curry & M. Fich (Ottawa: NRC Press), 27
33. Evans, N. J., Rawlings, J. M. C., Shirley, Y. L., & Mundy, L. G. 2001, ApJ, 557, 193
34. Foster, P. N., & Chevalier, R. A. 1993, ApJ, 416, 303
35. Frerking, M. A., Langer, W. D., & Wilson, R. W. 1982, ApJ, 262, 590
36. Galli, D., Walmsley, M., & Gonçalves, J. 2002, A&A, 394, 275
37. Gerlich, D., Herbst, E., & Roueff, E. 2002, Planet. Space Sci. 50, 1275
38. Goodman, A. A., Benson, P. J., Fuller, G. A., & Myers, P. C. 1993, ApJ, 406, 528
39. Green, S. 1975, ApJ, 201, 366
40. Harvey, D. W. A., Wilner, D. J., Lada, C. J., Myers, P. C., & Alves, J. F. 2003, ApJ, 598, 1112
41. Hasegawa, T. I., & Herbst, E. 1993, MNRAS, 263, 589
42. Henning, T., Michel, B., & Stognienko, R. 1995, Planet. Space Sci., 43, 1333
43. Hirota, T., Ikeda, M., & Yamamoto, S. 2003, ApJ, 594, 859
44. Jones, C. E., & Basu, S. 2002, ApJ, 569, 280
45. Keto, E., Rybicki, G. B., Bergin, E. A., & Plume, R. 2004, ApJ, 613, 355
46. Kramer, C., Alves, J., Lada, C. J., Lada, E. A., Sievers, A., Ungereehts, H., & Walmsley, C. M. 1999, A&A, 342, 257
47. Kramer, C., Richer, J., Mookerjea, B., Alves, J., & Lada, C. 2003, A&A, 399, 1073
48. Kuiper, T. B. H., Langer, W. D., & Velusamy, T. 1996, ApJ, 468, 761
49. Lacy, J. H., Knacke, R., Geballe, T. R., & Tokunaga, A. T. 1994, ApJ, 428, L69
50. Lada, C. J., Bergin, E. A., Alves, J. F., & Huard, T. L. 2003, ApJ, 586, 286
51. Lee, C. W., Myers, P. C., & Plume, R. 2004, ApJS, 153, 523
52. Lee, C. W., Myers, P. C., & Tafalla, M. 1999, ApJ, 526, 788
53. _. 2001, ApJS, 136, 703
54. Leger, A. 1983, A&A, 123, 271
55. Li, Z. 1999, ApJ, 526, 806
56. Li, Z., Shematovich, V. I., Wiebe, D. S., & Shustov, B. M. 2002, ApJ, 569, 792
57. Lizano, S., & Shu, F. H. 1989, ApJ, 342, 834
58. Maret, S., et al. 2004, A&A, 416, 577
59. Mathis, J. S., Rumpl, W., & Nordsieck, K. H. 1977, ApJ, 217, 425
60. Nurmanova, U. A. 1983, Perem. Zvezdy, 21, 777
61. Oliveira, C. M., Hébrard, G., Howk, J. C., Kruk, J. W., Chayer, P., & Moos, H. W. 2003, ApJ, 587, 235
62. Pagani, L., et al. 2003, A&A, 406, L59
63. Pratap, P., Dickens, J. E., Snell, R. L., Miralles, M. P., Bergin, E. A., Irvine, W. M., & Sehloerb, F. P. 1997, ApJ, 486, 862
64. Press, W. H., Teukolsky, S. A., Vetterling, W. T., & Flannery, B. P. 1992, Numerical Recipes in C: The Art of Scientific Computing (2nd ed.; Cambridge: Cambridge Univ. Press)
65. Roberts, H., Herbst, E., & Millar, T. J. 2004, A&A, 424, 905
66. Roberts, H., & Millar, T. J. 2000, A&A, 361, 388
67. Roueff, E., Tiné, S., Coudert, L. H., Pineau des Forêts, G., Falgarone, E., & Gerin, M. 2000, A&A, 354, L63
68. Sadlej, J., Rowland, B., Devlin, J. P., & Buch, V. 1995, J. Chem. Phys., 102, 4804
69. Shematovich, V. I., Wiebe, D. S., Shustov, B. M., & Li, Z. 2003, ApJ, 588, 894
70. Shirley, Y. L., Evans, N. J., Rawlings, J. M. C., & Gregersen, E. M. 2000, ApJS, 131, 249
71. Tafalla, M., Myers, P. C., Caselli, P., Walmsley, C. M., & Comito, C. 2002, ApJ, 569, 815
72. Tiné, S., Roueff, E., Falgarone, E., Gerin, M., & Pineau des Forêts, G. 2000, A&A, 356, 1039
73. Verhoeve, P., Zwart, E., Versluis, M., Drabbels, M., Ter Meulen, J. J., Meerts. W. L., Dymanus, A., & McLay, D. B. 1990, Rev. Sci. Instrum., 61, 1612
74. Visser, A. E., Richer, J. S., & Chandler, C. J. 2002, AJ, 124, 2756
75. Walmsley, C. M., Flower, D. R., & Pineau des Forêts, G. 2004, A&A, 418. 1035
76. Walsh, A. J., Myers, P. C., & Burton, M. G. 2004, ApJ, 614, 194
77. Ward-Thompson, D., Motte, F., & André, P. 1999, MNRAS, 305, 143
78. Wendker, H. J. 1995, A&AS, 109, 177
79. Wilson, T. L., & Rood, R. 1994, ARA&A, 32, 191
80. Zucconi, A., Walmsley, C. M., & Galli, D. 2001, A&A, 376, 650